ghjguygyughyyhghygyuguyg

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Answer 1
Sir! I would have to tell that this is a educational website/app so please don’t type random letters in the question bar if you don’t need help with nothing.

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Picture is included

The graph below displays the temperature and volume of a sample of a gas. What does the graph show.

A. The volume and temperature of the gas are not related
B. As the pressure of a gas increases its volume decreases
C. If the temperature of a gas doubles then its volume will also double
D. As the volume of the gas increases its temperature decreases

Answers

C. If the temperature of a gas doubles then its volume will also double.

6. For which movement of earth materials is gravity not the main force?
a. snow tumbling in an avalanche
b. moisture evaporating from an ocean
c. boulders carried by a glacier
d. sediments flowing in a river

Answers

B moisture evaporating from an ocean

Answer:

B

Explanation:

Moisture evaporating is going against the pull of gravity

Which of these is a balanced chemical equation?

Answers

CH4+2 O2= CO2 +2 H2O

identify a binary salt among the following a,KNO3 b,NACIO3 c,MGSO4 d,CaCL2​

Answers

The binary salt among the given salts is CaCl₂. The correct option is d,CaCl₂

From the question,

We are to identify the binary salt among the given salts.

First, we will define the term binary salt

A binary salt is a chemical compound that is formed from the mixture of a metal and a non-metal.

Among the given options, CaCl₂ is the salt formed from the mixture of a metal and a non-metal.

The metal is Calcium (Ca)

and the non-metal is Chlorine (Cl)

Hence, the binary salt among the given salts is CaCl₂. The correct option is d,CaCl₂

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NEED ANSWER! WILL BRAINLIST!
• Why are tailings an environmental concern?

A. They are a form of sewage that is found in agricultural runoff.
B. They are the remains from mining and contain harmful chemicals.
C. They are the waste products left over from fracking for natural gas.
D. They are a type of greenhouse gas that can enter the atmosphere.

Answers

B. They are the remains from mining and contain harmful chemicals.

Please help! Urgent: take ur time and answer it correctly

Answers

Answer:

an electric field is a field around a charged particle or object within which a force ( electric force) would be exerted on other charged particles or objects.

Explanation:

particles with unlike charges attract one another while particles with like charges repel each other.

Is it correct ?!???!);$);

Answers

Answer:

None of the above

Explanation:

process of elimination i guess, also delta E measures the amount of change in visual perception of two colors, so it probably wont mean w (work).

then again i may be wrong-

Define the terms (a) sedimentation ( b )decantation​

Answers

Answer:

Sedimentation: Sedimentation is the process of allowing particles in suspension in water to settle out of the suspension under the effect of gravity.Decantation: Decantation is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture

hope u liked the answer :)

need help with this question asap :)
-20 points!..

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the answer is d, ive had this before

Convert 1.16 mol of calcium cyanide, Ca(CN)2, to mass.

Answers

here it the answers in pencil

Calculate the vapor pressure in torr of a solution containng 24.5 g of glycerin (C3H8O3) in 135 mL water at 30.0* C; the vapor pressure of water at this temperature is 31.8 torr. Assume that glycerin dissolves molecularly (does not dissociate).

Answers

Psolution = X · PH_20
= 0.966 · 31.8 torr
= 30.7 torr

What is the original source of all energy for animals? (1 point)
A. the sun
B.sugars
C.other animals
D.plants

Answers

Sugars. The food we eat is then broken down into ATP.

Answer:

The SunI

Explanation:

LAST ATTEMPT! Covalent compound naming !

Answers

S2Cl4- disulphur tetrachloride
C5Br8- Pentacarbon octachloride
Cl2O3- Dichlorine trioxide
H2S3- trisulfane
S3F4-
N6S3-
Si7O2-

S2Cl4 = Disulfur Tetrachloride

C5Br8 = N/A

Cl2O3 = Dichlorine trioxide

H2S3 = Trisulfane

Formula: N4S4 = Trisulfur Tetrafluoride

Formula: CBr4 = Hexanitrogen trisulfide

Formula: SiO2 = Heptasilicon

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Revise the following statement to make it true:
All living things inside of an area are part of the population.

Answers

Answer:

All the individuals of a species living within a specific area are collectively called a population.

Explanation:

Many fundamental concepts are at the heart of chemistry. Match the description to the name.

Answers

Answer:

you dony have a picture for me to match them

Explanation:

°ω° Which statement best describes the skier? The skier has potential and kinetic energy. The skier has only potential energy. The skier has only kinetic energy. The skier does not have potential or kinetic energy. °ω°

Answers

The skier has only kinetic energy

Both propane and butane are used as gaseous fuels. Which compound produce more heat per gram burned? (mass of propane (C 3 H 3 )=44.1g/mol. mass of butane (C,H,0)=

58.1g/mol)(10pts)

(Hpropane-103.8kJ/mol.) (H propane-126.0kJ/mol)

Answers

Since the heat of combustion of butane is higher than that of propane,  butane will produce more heat per gram when burned compared to propane.

The heat of combustion of a compound refers to the heat evolved when one mole of the compound is burnt under standard conditions. This heat of combustion increases from methane upwards.

Since the heat of combustion of alkanes increases according to increasing molar mass, butane will produce more heat per gram when burned compared to propane.

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Answer all questions please and be quick, it’s very URGENT

U will get BRAINLY

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Explanation:

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. ... Electric charge is carried by subatomic particles. In ordinary matter, negativecharge is carried by electrons, and positive charge is carried by the protons in the nuclei of atoms.

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charge: positive and negative (commonly carried by protons and electrons respectively). Like charges repel and unlike attract. An object with an absence of net charge is referred to as neutral. Early knowledge of how charged substances interact is now called classical electrodynamics, and is still accurate for problems that do not require consideration of quantum effects.

need help with this question, anybody ..
-20 points :)

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i think that its D, i did this question before and thats what i got and it was right

Hola alguien me puede ayuda esto no se como

Answers

Para convertir c a kelvin
K=c +273
Ósea que en vez de c vas a poner el número

Para de Kevin a Celsius
C=k - 273

What are the two elements sand is made of? *

Answers

Answer:

tiny crystals of the mineral quartz, which is made out of silica and oxygen

Well, much of the world's sand is made out of the same stuff, tiny crystals of the mineral quartz, which is made out of silica and oxygen, the two most common elements in Earth's crust.

Which of the following transports information from the eye to the brain?

A) iris

B) visual cortex

C) optic nerve

D) cornea

Answers

Answer:

c

Explanation:

c is the correct answer

Answer:

c

Explanation:

how many moles of carbonate are there in sodium carbonate​

Answers

There are 0.566 moles of carbonate in sodium carbonate.

CALCULATE MOLES:The number of moles of carbonate (CO3) in sodium carbonate (Na2CO3) can be calculated by dividing the mass of carbonate in the compound by the molar mass of the compound.

no. of moles of CO3 = mass of CO3 ÷ molar mass of Na2CO3

Molar mass of Na2CO3 = 23(2) + 12 + 16(3)

= 46 + 12 + 48 = 106g/mol

mass of CO3 = 12 + 48 = 60g

no. of moles of CO3 = 60/106

no. of moles of CO3 = 0.566mol

Therefore, there are 0.566 moles of carbonate in sodium carbonate.

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Which type of molecule is propanol?
A. Alcohol
B. Aldehyde
C. Ketone
D. Amine ​

Answers

Answer:

A

Explanation:

Alcohol is a type of molecule in propanol. Hence, option A is correct.

What is propanol?

Propanol molecular formula is C₃H₇OH.

C₃H₇OH contains -OH functional group which belongs to alcohol.

Hence, option A is correct.

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How many hydrogen atoms are in 5CH3COOH?

Answers

Answer:   This formula indicates that a molecule of acetic acid (Figure 2.21) contains two carbon atoms, four hydrogen atoms, and two oxygen atoms.

Explanation:

The boiling point of a liquid is tested at 10 different pressures, from 0.5 to 1.4 atmospheres. The results of the tests show that
there is a nearly constant increase in boiling point for each increase in pressure. Which conclusion is reasonable based on this
information? (1 point)

O A boiling point at 1.5 atmospheres could not be predicted with any certainty at all.
O A boiling point at 15 atmospheres could not be predicted with any certainty at all.
O A boiling point at 1.5 atmospheres could be predicted fairly well.
O A boiling point at 15 atmospheres could be predicted fairly well.

Answers

Since the increase in boiling point with increasing pressure is fairly constant, then, the boiling point at 1.5 atmospheres could be predicted fairly well.

We say that a substance has reached its boiling point when its pressure equals the atmospheric pressure. Recall that we can be able to make predictions from the results of an experiment.

In this case, we are told that there is a nearly constant increase in boiling point for each increase in pressure. Therefore, it is reasonable to conclude that, a boiling point at 1.5 atmospheres could be predicted fairly well.

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natural gas is methane. write the equation for complete combustion of methane.

Answers

Answer:

methane + oxygen → water + carbon dioxide CH4 + 2O2 → 2H2O + CO2

Explanation:

hope this helps

What is the balanced net ionic equation when aqueous solutions of Pb(NO3)2 and KBr are mixed and form a product

Answers

Answer:

KBr+Pb(NO3)2=? is an equation you can use.

Explanation:

During the formation of an ionic compound

1) One atom losses electrons and the second gains electrons
2) Two atoms lose electrons
3) Two atoms gain electrons

Answers

Answer:
1) One atom loses electrons and the second gains
Explanation:
An ionic bond is formed between a metal and a nonmetal, the metal gives its electrons to the nonmetal so they can both have a full outer shell. So, one is losing electrons and the others gaining them.
Hope this helps!

If the heat is added to an endothermic system, at equilibrium, the system will move to the _________ to regain equilibrium.

Answers

Answer:

At equilibrium, the system will move to the right to regain equilibrium

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"Africa!" exploded the dual shout, followed by snickering from the rest of the class. I peeked in the direction of the other voice to see George gazing directly ahead, as though he was oblivious to anyone else. Surely, he perceived the awkwardness of this circumstance, and had the abrupt comprehension that there was another "smart kid" in the school! But no acknowledgment crossed his face, and I stared back at my own desk as class continued. When the bell rang and students began jostling out the door, I hung back, thinking that I should at least introduce myself to George. He had waited for everyone else to push out of the classroom as well, and I extended my hand toward him with a smile. "I just wanted to let you know that I plan to outdo you in every class we have together this semester, and every semester until graduation," he said. Without glancing in my direction, George dashed out the door and down the hall toward his locker. 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