I don’t wanna fail if you know the answer pls help me :(

I Dont Wanna Fail If You Know The Answer Pls Help Me :(

Answers

Answer 1

Answer:

liquid and gas........................


Related Questions

- 5. Venus is like Earth because A. They both have oceans, air, and plant life. B. They both have people living on them. C. They are about the same size and have about the same amount of gravity.​

Answers

Answer:

C

Explanation:

Answer:

c

Explanation:

Venus and Earth are often called twins because they are similar in size, mass, density, composition and gravity. Venus is actually only a little bit smaller than our home planet, with a mass about 80% of Earth's.

1. Which of the following shows the process of freezing?'
A.candle wax cooling on the table
B.pouring cola over ice
C.heating a cup of water
D.particles are speeding-up and colliding more

Answers

A, as the process of the wax getting cooler and hardening is it freezing. The other examples relate more to heating than freezing.

In times of hot, dry, weather, some cities ban the use of garden sprinklers. Why is there such a rule

Answers

Answer:

These weather conditions are consistent with droughts, often characterized by hot, dry, weather. When this is the case, it is important to conserve water and use it only for necessities. Garden sprinklers are not essential, so their use can be sacrificed in order to provide more crucial services, such as drinking water. This rule has been put in place in order to avoid water shortages and energy crises, events that would be even more damaging during an emergency.

1) Convert the following:
900g to kg

2.87L to uL

Answers

Answer:

0.9 kg

2870000 uL

there is a conversion calculator online

explain how materials are suited for different uses based on their physical and chemical properties?

Answers

Ok cool I ujust do you think I should be able to get a hold with him tomorrow morning or t if rry want me too early or something I don’t know how to get it off or if you want me too I just need it for a while and I’ll get back with him

Calculate the weight of a 1 kg object on Earth which has a gravitational acceleration of 9.8 m/s2?



A. 0.1 kg


B. 9.8 kg


C. 10.8 N


D. 9.8 N

Answers

Mass (m) = 1 KgAcceleration due to gravity (g) = 9.8 m/s^2We know, weight = mass × acceleration due to gravity.Therefore, weight of the object

[tex] = 1kg \: \: \times 9.8 {ms}^{ - 2} \\ = 9.8 \: \: N[/tex]

Answer:

B. 9.8 N

Hope you could get an idea from here.

Doubt clarification - use comment section.

WHICH ONE?????????????????? Brainlest

Answers

Answer:

I believe it would be C, The number of atoms in the reactants is equal to the number of atoms composing the products

Explanation:

hope this helps! :D

have a miraculous day!! <3

Answer:

The number of atoms in the reactants is equal to the number of atoms composing the products

Help asap plzzzzz!!!!!!!!!!!!!

Answers

Answer:

Water will generally require more energy for a phase change compared to a similar substance without hydrogen bonds.

Explanation:

Electrolysis Is One of the Modern Technologies in Architecture’ Prepare an Investigatory Report That Supports the Statement”.​

Answers

Electrolysis is a technique that separates natural elements. It is commercially used to obtain important materials (e.g., pure metals) for construction.

Electrolysis refers to the use of an electric current to trigger non-spontaneous chemical reactions.

This technology (electrolysis) is commercially important in industry, construction and therefore also in architecture in order to extract metals and minerals from the ground.

Electrolysis uses particular electrolytic cells in order to extract highly pure metals from ores.

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Answer: Electrolysis is a technique that separates natural elements. It is commercially used to obtain important materials (e.g., pure metals) for construction.

Electrolysis refers to the use of an electric current to trigger non-spontaneous chemical reactions.

This technology (electrolysis) is commercially important in industry, construction and therefore also in architecture in order to extract metals and minerals from the ground.

Electrolysis uses particular electrolytic cells in order to extract highly pure metals from ores.

Learn more about electrolysis here:

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Darren looks up at night and sees a bright object with a tail moving quickly across the sky. What is the most likely object that Darren saw? A. an asteroid B. a meteor C. a comet . D. a cupid​

Answers

Answer:

A

Explanation:

asteroids most often leave trails due to the large amount of friction that occurs.

The bright spatial object with a tail moving fastly across the sky is called a comet. Comets are made of rock, dust and ices.

What are comets?

Comets are orbiting snowballs around sun made of frozen gases, rock, and dust. They enlarge to the size of a sizable town when frozen. A comet heats up and ejects dust and gases into a huge, blazing head that is larger than most planets when its orbit puts it near to the Sun.

Millions of kilometers away from the sun, the dust and gas combine to form a tail. The Kuiper Belt and much further Oort cloud are presumably home to billions of comets that orbit our sun.

Some of their ice begins to melt and boil off as the comet approaches the sun, along with some dust. The coma, which is created by these particles and gases, surrounds the nucleus.

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4) If an object is traveling at a speed of 400 m/s, how long (in hours) will it take to reach 950.5 km?

A) 3.96 x 10-2

B) 1.43 x 105

C) 6.34

D) 39.6

E) 7.01 x 10-6

Answers

Answer:

Answer: 0.66 hours

Explanation:

[tex]{ \rm{time = \frac{distance}{speed} }} \\ \\ { \rm{time = \frac{(950.5 \times 1000) \: m}{400 \: m {s}^{ - 1} } }} \\ \\ { \rm{time = {2376.25 \: s}}}[/tex]

• Remember 1 second accounts for 1/3600 hours

[tex]{ \rm{time = \frac{2376.25}{3600} }} \\ \\ { \rm{time = 0.66 \: hours}}[/tex]

The time taken by object  traveling at a speed of 400 m/s to reach 950.5 km distance is 0.66 hr or 39.6 min.

What is average velocity ?

Average velocity is given by the total distance covered by the object in total given time. SI unit of velocity is m/s.

Here in this question it is given that the object is travelling with speed v of 400 m/s and it is to find the time t to reach 950.5 km distance d.

it is known that 1 km = 1000 m

that is 950.5 km = 950500 m

Now, using the relation of speed-distance to find time t to reach 950.5 km distance :

[tex]\begin{aligned}v&=\frac{d}{t}\\t&=\frac{d}{v}\\&=\frac{950500}{400}\\&=2376.25 \text{ s}\end{aligned}[/tex]

Now converting 2376.25 sec into hrs by dividing it by 3600 we get :

2376.25/3600 = 0.66 hr or 39.6 min.

Therefore, the time taken by object to reach 950.5 km distance is 0.66 hr or 39.6 min.

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A student wants to determine the melting point of water as part of an investigation into the strength of electrostatic forces. The student considers determining the freezing point of water instead. Is this a valid option?

Answers

According to the forces of attraction freezing point and boiling point of water are different and are not related to  strength of electrostatic forces.

What are forces of attraction?

Forces of attraction is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different  states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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In the chemical stockroom, there is a 0.500 L bottle filled with 2.30 M CuSO4 solution. How many moles of CuSO4 are in the bottle?
A. 0.217 moles
B. 4.60 moles
C. 01.15 moles
D. 1.80 moles

Answers

mfffffffffffffff the answer is b

The number of moles of the solute in the solution is the product of its volume and molarity. The number of moles of copper sulphate in 0.500 L of 2.30 M solution is 1.15 moles.

What is molarity?

Molarity of a solution is the common term used to represent the concentration of a solution. It is the ratio of its number of moles of solute to the volume of solution in liters.

Molarity = no.of moles/volume in L.

Molarity is a temperature dependant quantity.

The given solution has a volume of 0.500 L.

molarity of copper sulphate solution = 2.30 M

Thus, number of moles of copper sulphate solute dissolved in 0.50 L of water is calculated by multiplying the volume with molarity.

No. of. moles of copper sulphate = molarity × volume

= 0.500 L × 2.30 M = 1.15 moles.

Therefore, there will be 1.15 moles of copper sulphate in the solution.

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Determine the number of moles in 4.9*10 raise to the power of 24 of Ag

Answers

Answer:

4.5425806678891E+22mol

Explanation:

Calculate the wavelength of X-rays of frequency 5.00 x 100 Hz (Hz=Hertz=cycles/sec).

a) 1.20 nm
b) 0.398 nm
C) 0.600 m
d) 1.20 m
e) 0.600 nm

Answers

Answer:

no correct answer please mention other answers.

wavelength=30000000/frequency

A mixture contains 220 mmHg of CO, 350 mmHg of Ne and 840 mmHg of He. What is the total pressure of the mixture

a
1.86 at
b
1.59 atm

c
1.46 atm

d
none of these

Answers

Considering the Dalton's partial pressure, the correct answer is option a.: the total pressure of the mixture is 1.86 atm.

The pressure exerted by a particular gas in a mixture is known as its partial pressure. So, Dalton's law states that the total pressure of a gas mixture is equal to the sum of the pressures that each gas would exert if it were alone:

[tex]P_{T} =P_{1} +P_{2} +...+P_{n}[/tex]

where n is the amount of gases present in the sample.

This relationship is due to the assumption that there are no attractive forces between the gases.

In this case, a mixture contains 220 mmHg of CO, 350 mmHg of Ne and 840 mmHg of He. The total pressure of the mixture can be calculated as:

[tex]P_{T} =P_{CO} +P_{Ne} +P_{He}[/tex]

[tex]P_{T} =220 mmHg +350 mmHg+840 mmHg[/tex]

Solving:

[tex]P_{T}[/tex]= 1410 mmHg

Being 760 mmHg=1 atm, then:

[tex]P_{T}=1410 mmHgx\frac{1 atm}{760 mmHg}[/tex]

Solving:

[tex]P_{T}[/tex]= 1.86 atm

Finally, the correct answer is option a.: the total pressure of the mixture is 1.86 atm.

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Select True or False: Consider the reaction N2(g) 3H2(g) 2NH3(g). The production of ammonia is an exothermic reaction. When heat is added to the equilibrium system it will shift to increase the amount of ammonia produced.

Answers

Answer:

False

Explanation:

As I like to think of it, equilibrium will shift either 'forwards' (to increase products) or 'backwards' (to increase reactants) to oppose any change in system;

If heat is added, the equilibrium will shift in the direction that reduces heat within the system;

In other words, it will shift in favour of the endothermic reaction, i.e. the reaction where heat is gained by the molecules/atoms and therefore taken out from the system;

If the 'forwards' reaction, producing NH₃, is exothermic (i.e. energy is released in the reaction), then the 'backwards' reaction is endothermic;

So the equilibrium will shift in this direction, which is the reaction of 2 NH₃ molecules producing N₂ and 3 H₂

Heart, 5 stars, and Brainiest to first right answer!

Which climate condition is typically found in the tropics due to the interaction of the atmosphere and hydrosphere?
A.Dry with low humidity
B.Dry with high humidity
C.Wet with high humidity
D.Stormy with low humidity

Answers

Answer:

A- Dry with low humidity

Explanation:

The hydrosphere includes the water which is on the surface of the earth, below the ground and in the air.  

On analyzing the climatic conditions in the tropics due to the interaction of the atmosphere and hydrosphere, the presence of water droplets in tropics is less resulting in less humidity and, thus the climatic condition is dry.

Therefore the climatic condition that is typically found in tropics due to interaction of the atmosphere and hydrosphere is dry with low humidity.

Hope this helps!

If you add the same amount of heat to two different substances, will they both change phase?

Answers

Answer:

It depends on their melting and/or their boiling points, because the heat provides the particles with kinetic energy to break the electrosatic bonds in the substances, which can differ in strength

Explanation:

How many valence electrons does the following isotope have?

Answers

Answer:

I have solution to your question

Nitrogen is 7th element in periodic table. It contains 7 electrons in which are 2 are inner electrons and 5 are outer electrons. Here N is in -3 oxidation state. Thus, it is having 8 valence electrons.

What is an isotopes?

Isotopes of are atoms with same atomic number and different mass numbers. Almost every elements have isotopes but some of them are unstable in nature.

Atoms forms ions when they lose or gain electrons. Wen they lose electrons, they form positive ions called cations. When they gain electrons they form negative ions or anions.

Nitrogen is 7th element in periodic table. It has 7 electrons out which 2 are inner electrons and 5 are valence electrons. N needs 3 more electrons to attain octet. Thus it gains 3 electrons and forms its 3 - oxidation state.

Thus N in -3 oxidation state have 8 valence electrons.

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4. The new element Plainsmenium (Pe) was discovered in 2005 by Monte E. Rey
(who will receive his Nobel Prize in Chemistry in the year 2012). It has
three isotopes: Pe-184 (24.60%), Pe-185 (11.20%), and Pe-188 (64.20%).
What is its average atomic mass?

Answers

This is my answer

Explanation:

p=m/v

where:. p=density

m=mass

v=volume

p=F/A = Lim F / A

1 ATM=14.7 psi

= 1.013x10 d/cm²

1 bar=10 d/cm²

=10 N/m2

Hope it helps to you goodluck

I'm not sure but that's the answer of my notebook like my answer please

-- --- .-. ... . / -.-. --- -.. . / .. ... -. .----. - / - .... .- - / ..-. ..- -. / .- -. -.. / .. .----. -- / ..- ... .. -. --. / .- / - .-. .- -. ... .-.. .- - --- .-. / - --- --- / ... --- what did I say in Morse code? ​

Answers

Answer:

MORSE CODE ISN'T THAT FUN AND I'M USING A TRANSLATOR TOO SO

Explanation:

That is what is says in morse code.

Answer:

MORSE CODE ISN'T THAT FUN AND I'M USING A TRANSLATOR TOO SO

Explanation:

How many theoretical plates produce a chromatography peak eluting at 12.83 min with a width at half-height of 8.7 s

Answers

Answer-Figure P38.63a
is a three-dimensional sketch of a birefringent crystal. The dotted lines illustrate how a thin, parallefaced slab of material could be cut from the larger specimen with the crystal’s optic axis parallel to the faces of the plate.”


Sorry if it’s it correct



How much heat must be added to a 8.21 g sample of gold to increase its temperature from the tempe
75.3°C to 83.1°C? The specific heat of gold is 0.13 J/gºC

Answers

Answer:

Q= ms∆T

Where, m is mass of substance

S is specific heat

∆T is temperature change

As in question , m=8.21 ,s=0.13 ,∆T =6.2

So, Q = 8.21×0.13×6.2=6.61 J

Covalent compounds are generally not very hard. Justify the statement.

Answers

Covalent compounds are generally not very hard because they are formed by two or more nonmetallic atoms.

COVALENT COMPOUNDS:

Covalent compounds are compounds whose constituent elements are joined together by covalent bonds.

Covalent bonding occurs when two or more nonmetallic atoms of an element share valence electrons. This means that covalent compounds will not be physically hard since they constitute non-metals.

Examples of covalent compounds are:

H2 - hydrogenH2O - waterHCl - hydrogen chlorideCH4 - methane

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PLEASE HELP WILL GIVE BRAINLIEST

Answers

Answer:

55 centimeters

Explanation:

20+15+25

All of the following compounds are soluble in water EXCEPT

a
MgSO4
b
Ca(NO3)2
с
Agi
d
K2CO3

Answers

Answer:

Anser is C Agl

Explanation:

Agl does not dissolve in water.

All of the following compounds are soluble in water except AgI because of  very high value of lattice energy. Therefore, the correct option is option C.

The capacity of a material, the solute, to combine with a different material, the solvent, is known as solubility in chemistry. Insolubility, or the solute's inability to create such a solution, is the opposite attribute. The concentration for the solute within a saturated solution—a solution where no more of the substance can be dissolved—is typically used to gauge the degree of a substance's solubility in a particular solvent. The two compounds are considered to be at the point of solubility equilibrium at this time. All of the following compounds are soluble in water except AgI because of  very high value of lattice energy.

Therefore, the correct option is option C.

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1.
Light is a(n) _______wave.

Group of answer choices


A. longitudinal


B. large


C. ocean


D. transverse

Answers

Answer: D. transverse

Explanation:

Light is a transverse wave, while sound is a longitudinal wave.

Which population will increase?

Answers

Answer:    World 5,306,425,000 6,895,889,000 7,503,828,180

1 China 1,139,060,000 1,341,335,000 1,384,688,986

2 India 873,785,000 1,224,614,000 1,296,834,042

3 United States 253,339,000 310,384,000 329,256,465

Explanation:

why is extra vitamin C excreted in urine from the body but vitamin A in excess is retained in the body​

Answers

Answer:

Vitamin C is water-soluble and not stored in your body

In contrast to fat-soluble vitamins, water-soluble vitamins do not get stored within the body. Instead, the vitamin C that you consume gets transported to your tissues via body fluids, and any extra gets excreted in urine ( 1 ).

Answer:

The reason vitamin C isn't stored well is because your body can't make it, and vitamin C is a water-soluble vitamin. This means it dissolves in water, and what your body doesn't use right away is excreted through urine. Thus, it is not stored in our body to a significant extent.

Explanation:

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To reach the roof , how far away from the building should he place the base of the ladder ? Juliet needs to rewrite 3 (x 2) = 6 y in slope-intercept form so she can easily graph it. Which step would be correct to start the process? She could combine the x and 2 to get 3 (2 x) = 6 y. She could divide both sides by 3 to get x 2 = 2 y. She could distribute the 3 to get 3 x 2 = 6 y. She could subtract the 6y to get Negative 6 y = 3 (x 2). What are the two types of primary safeguarding methods? The teacher collected some snowfall data during one of the snow days last year. Estimate the total snowfall throughout the day. kingpython#4176 add me and gimme nitro A store manager predicts that 100 hats will be sold if each hat costs $12. The manager predicts that 4 less hats will be sond for every $1 increase in price. For what prices can the manager predict that 60 hats will be sold? Please help me solve this Help help help help please please for which value of x does each expression make sense:(square root) -2x^2(square root) (-2x)^3 Write an EQUATION with an undefined slope: What makes greenhouse gases different from other atmospheric gases?Greenhouse gases reduce the amount of natural resources on Earth.Greenhouse gases allow thermal energy to pass through the atmosphere and back out into space.Greenhouse gases account for the direction in which water and air move.Greenhouse gases trap thermal energy and reflect the suns harmful radiation back to Earth. Can You Solve This?(if you can't see what it says the question is: "Using given algebra tiles, write an expression that is equivalent to the quantity represented in the model below" ) Select the correct answer. What is the domain of this radical function? a. [3, [infinity]) b. [-3, [infinity]) c. [1, [infinity]) d. [-1, [infinity]). you are the owner of a rapidly growing e-commerce business and you are looking for ways to customize your ads. since your team is extremely busy, you want to find an external solution to keep your ads updated and relevant. in order to accomplish this goal, you may consider purchasing _______. Srry for it being so long but i will give 100 points and brainliest if you anwser this whole thingWriting a Literary Analysis EssayIn this unit you learned about literary elements such as point of view, setting, plot, characters, structure, word choice, and theme by reading and analyzing the following short stories:Rules of the Game by Amy TanThe Tell-Tale Heart by Edgar Allan PoeThe Gift of the Magi by O. HenryFederigo's Falcon by Giovanni BoccaccioAn Episode of War by Stephen CraneIn this task, youll select one of these short stories and explore its literary elements. Youll use an outline to develop a first draft of your essay. If you completed the Writing About Short Fiction lesson, you can use the story you analyzed there. If you did not complete this lesson, take some time to read one of the stories.Recall that the purpose of a literary analysis essay is to closely examine elements of a literary work. A literary analysis essay begins with an introductory paragraph. The introduction should include a brief summary of and background information about the literary work. This type of essay also has a clear thesis statement that includes the central idea of the essay. The introductory paragraph is followed by three body paragraphs. Each body paragraph includes an argument that supports and develops the thesis statement. The argument should be supported by relevant evidence from the literary work. Parenthetical citations should be included for textual evidence so that readers know where the quotes and other information come from. Each paragraph also includes a commentary or analysis on the quotes taken from the literary work, which further develops the argument. The essay ends with a conclusion that restates the thesis statement and briefly summarizes the main points covered in the essay.Here is the writing prompt for the literary analysis essay from the lesson Writing About Short Fiction:In a work of literature, conflict is the struggle between opposing characters or forces. Each of the five stories in this unit deal with either internal conflict (a characters personal struggle) or external conflict (a character's struggle with the environment or another character). In a five-paragraph essay, explain how either internal or external conflict is demonstrated within one of the stories. Cite specific examples from the story to support your theory.Youll use the following template to outline your literary analysis essay. If you completed this outline in the Writing About Short Fiction lesson, you may want to start by copying the outline into a word processing program or printing it out for reference. If you have not already created an outline, use the template to create one.Introduction hook summary or background information thesis statement Body Paragraph 1 main idea 1 textual evidence analysis of evidence Body Paragraph 2 main idea 2 textual evidence analysis of evidence Body Paragraph 3 main idea 3 textual evidence analysis of evidence Conclusion restate thesis statement summary of the main ideas Part AIf you completed the Writing About Short Fiction lesson, copy and paste the essay outline here. Which relationships have the same constant of proportionality between y and x as the following table?y4327568 64Choose 3 answers: I need to write a poem about the economy and I'm not sure where to start. can someone define these words in english A motorcycle can run 108km in 2h20mn Find the average speed BRAINLIEST Do one of the above and show your work