Answers
A. ionic (donates an electron to the other atom in the bond)
B. covalent (electrons are shared equally)
C. polar (unequal electronegativity)
hope this helps!
Related Questions
an endothermic reaction causes the surroundings to
Answers
Answer:
an endothermic reaction absorbs heat and cools its surrounding
Explanation:
Assume trilobites went extinct 248 million years ago.
If a trilobite is found in a rock layer, what do you
know about the age of that rock layer?
Answers
Answer:
the rock layer is at least 248 million years old
Explore
N2 + O2 → N205
how do i show my work im trying to balance the equation
Answers
Answer:
2N2 + 3O2 –2N2O3 this what I got balancing though
Identify the location of oxidation in an electrochemical cell.
Answers
Answer:
Anode
Explanation:
Electrochemical cells have two conductive electrodes, called the anode and the cathode. The anode is defined as the electrode where oxidation occurs.
What was the effect of increasing the water's mass?
Answers
-water has a high capacity
Which of the following shows a valid combustion reaction?
Answers
Answer:
May be third one because of the formation of H2(hydrogen)on the product side.
The equation that shows the valued combustion reaction is [tex]C_2H_4 + 3O_2 \rightarrow 2CO_2 + 2H_2O[/tex]
The following information should be considered:
For [tex]2Al + 2O_2 \rightarrow 2AlO + O_2[/tex] it should not Balanced Properly [tex]2Al + O_2 = 2AlO[/tex] For [tex]2CH_4 + O_2 \rightarrow 2CO + 4H_2[/tex] as CO should be [tex]CO_2[/tex] For [tex]Ca + O_2 \rightarrow CaOH[/tex] it should Not Balanced and No source for the H.Learn more: brainly.com/question/16911495
What is the molarity of a HCl solution, if 28.6 mL of a 0.175 m NaOH solution is needed to neutralize a 25.0 mL sample of the HCl solution
Answers
The molarity of the HCl solution needed to neutralize 28.6 mL of a 0.175 M NaOH solution is 0.2002 M
We'll begin by writing the balanced equation for the reaction. This is given below:
HCl + NaOH —> NaCl + H₂O
From the balanced equation above,
The mole ratio of the acid, HCl (nA) = 1
The mole ratio of the base, NaOH (nB) = 1
From the question given above, the following data were obtained:Volume of base, NaOH (Vb) = 28.6 mL
Molarity of base, NaOH (Mb) = 0.175 M
Volume of acid, HCl (Va) = 25 mL
Molarity of acid, HCl (Ma) = ?The molarity of the acid, HCl can be obtained as follow:
MaVa / MbVb = nA / nB
(Ma × 25) / (0.175 × 28.6) = 1
(Ma × 25) / 5.005 = 1
Cross multiply
Ma × 25 = 5.005
Divide both side by 25
Ma = 5.005 / 25
Ma = 0.2002 MTherefore, the molarity of the acid, HCl needed for the reaction is 0.2002 M
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Please help me with the question below
Answers
pls give brainly i need points
Magnesium (24.30) reacts with hydrogen chloride (X g) to produce hydrogen gas (2.04 g) and magnesium chloride (96.90 g). How much hydrogen chloride was used in the reaction?
Round your answer to the second decimal.
Answers
Answer:
Hydrogen Chloride is 74.64 grams.
Explanation:
Using the given information, we can find the amount of grams of hydrogen chloride that take place in the reaction.
24.30 grams of Magnesium"x" grams of Hydrogen chloride2.04 grams hydrogen gas96.90 grams of magnesium chloride.Due to the Law of Conservation of Mass, the mass of the system must remain constant. To find the value of x, make the equation below.
[tex]24.30 + x=2.04 + 96.90[/tex]
The left side represent the reactant side of the chemical reaction and the right side represents the product side.
[tex]2.04 + 96.90= 98.94[/tex]
[tex]24.30+x=98.94[/tex]
[tex]24.30 - 24.30 + x= 98.94 - 24.30[/tex]
[tex]x=74.64[/tex]
Gold's natural state has a definite shape and a definite volume. What is gold's natural state(s)?
O solid
liquid
ОООО
solid or gas
O liquid or gas
Answers
Answer:
Solid
Explanation:
In Experiment 1, what volume did the propane gas occupy in the Erlenmeyer flask before the addition of any water?
Answers
This question is mentioning an experiment that is not being described about the volume of the propane gas in an Erlenmeyer before the addition of water.
In this case, since no information is given, it is possible to propose a suggested procedure of how to figure it out via gas laws, specifically, the ideal gas one, since no change is decribed before the addition of water:
[tex]PV=nRT[/tex]
Thus, you can solve for the volume, by dividing both sides by the pressure, so that you will get:
[tex]V=\frac{nRT}{P}[/tex]
Now, to ensure a correct calculation, make sure you have the moles (divide by the molar mass of propane, 44,1 g/mol, if you were given the grams), the temperature in K (add 273.15 if you have degree Celsius), the ideas gas constant as 0.08206 and the pressure in atm, in order to have consistent units.
If you need the volume in milliliters, you will need to multiply the previous answer by 1000 in order to perform the appropriate conversion.
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https://brainly.com/question/15268548https://brainly.com/question/16521007What is function of phylloclade
Answers
In some plants such as Cactuses, the stem is flattened and green and carries out the function of the leaf. Such a stem, adapted for the manufacture of food is called phylloclade. The leaves here are reduced or modified into spines to lessen the transpiring surface.
Which ion has the correct charge?
07-
Na 2+
N 3+
Ca2+
Answers
Answer:
Ca(2+)
Explanation:
Sodium (Na) only have one valence electron and will lose it in order to gain a full octet. There will be an unbalance of electrons and protons where there are more protons there electrons. The correct ion formula for sodium is Na (1+).
Nitrogen has 5 valence electrons and will gain three more to gain a full octet. There will be an unbalance where there are more electrons then protons. Nitrogen will form the ion N (3-).
Calcium has two valence electrons and will lose them in order to gain a full octet. There will be an unbalance where there are more protons then electrons. Calcium will form the ion Ca 2+
Therefore, Ca2+ is the ion with the correct charge.
Compare the box on the left containing the reactants in a chemical reactions. Which box on the right is the correctly represents the products according to the Law of Conservation of mass?
A) A.
B) B.
C) C.
D) D.
Answers
Answer:
d is the right answer
please mark me brainlist
Scientists theorize that the original point of matter from which our universe formed was smaller than a dime. This matter would also have:
a. had unimaginable mass
b. been incredibly dense
c. had unimaginable potential energy
d. all of the above
Answers
ANSWER:
B. been incredibly dense? I'm not sure sorry
Astronomers often scan the sky using devices called radio
telescopes. What can you conclude about these devices?
Answers
Answer:
A radio telescope is simply a telescope that is designed to receive radio waves from space.
radio telescopes helps to study naturally occurring radio light from stars, galaxies, black holes, and other astronomical objects. We can also use them to transmit and reflect radio light off of planetary bodies in our solar system.
Answer: stronomers often scan the sky using devices called radio telescopes. What can you conclude about these devices? ... They pick up the radio waves emitted by stars.
What makes plant green ?
How are the life process in a cell controlled?
What gives plants cells their regular shape ?
Where are the fluids stored in the cell?
What important function does the cell membrane do ?
( can someone help me out please )
Answers
Answer:
Chlorophyll makes plants green.
Enzymes are responsible for dictating what chemical changes happen and when, so thus they control the life process of the cells in our bodies.
The cell wall is what gives a plant cell it's distinct shape (animal cells don't have cell walls btw).
Intracellular fluid, or cytosol, is the fluids stored in the Intracellular compartment.
The cell membrane is the barrier between everything inside the cell, and everything else outside of it. It protects the contents of the cell from harm and releases toxins and other waste from it. The cell membrane is basically like the gate keeper of the cell.
Explanation:
Hope this helps, I tried :)
Put the substance in a 25 mL beaker.
Now, observe and record the following:
state of matter:
appearance and texture:
crystalline structure:
Answers
Answer:
liquid no not a solid
Explanation:
When you put the substance in a 25 mL beaker. then the state of matter is solid, appearance and texture are powdered and crystalline structure is not solid(powder).
What are crystalline structures and states of matter?The term "crystalline structure" refers to the arrangement of atoms, ions, or molecules in a crystalline solid. A crystalline solid is a type of material where the constituent particles are arranged in a regular, repeating pattern. This regular arrangement results in a characteristic geometric shape for the crystals. Examples of crystalline solids include salt, sugar, and diamond.
On the other hand, the term "state of matter" refers to the physical form in which matter exists. There are three primary states of matter: solid, liquid, and gas.
Solids have a definite shape and volume and their constituent particles are held tightly together by strong intermolecular forces.
Liquids have a definite volume but no definite shape, and their constituent particles are held together by weaker intermolecular forces.
Gases have no definite shape or volume, and their constituent particles are far apart and move freely.
Other states of matter, such as plasma and Bose-Einstein condensate, also exist but they are less common in everyday life.
Therefore, the state of matter: is solid, its appearance and texture: are powdered, and the crystalline structure: is not solid.
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will give 80 points: Use the word bank to fill in the rock cycle steps in the diagram below. You many only use each word 1 time. 2 of the words will not be used at all
Word Bank:
Erosion, Heat and Pressure, Crust, Metamorphic Rock, Magma, Sedimentary Rock, Igneous Rock, Compaction, Melting, Earth
Answers
Filling the rock cycle steps with the world Bank is as follows;
1 = Erosion1 = Erosion2 = Compaction1 = Erosion2 = Compaction3 = Sedimentary rock1 = Erosion2 = Compaction3 = Sedimentary rock4 = Heat and Pressure1 = Erosion2 = Compaction3 = Sedimentary rock4 = Heat and Pressure5 = Metamorphic rock1 = Erosion2 = Compaction3 = Sedimentary rock4 = Heat and Pressure5 = Metamorphic rock6 = Melting1 = Erosion2 = Compaction3 = Sedimentary rock4 = Heat and Pressure5 = Metamorphic rock6 = Melting7 = Magma1 = Erosion2 = Compaction3 = Sedimentary rock4 = Heat and Pressure5 = Metamorphic rock6 = Melting7 = Magma8 = Igneous rock.Additionally, the conversion of igneous, Sedimentary and metamorphous rock to sediments happens by a process termed Erosion/Weathering.
Also, conversion of magma to igneous rock is by cooling and vice versa is by heating.
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What is the type of potential energy that develops as the object changes shape
Answers
Answer:
The answer is Elastic Potential Energy
what is the ground-state electron configuration of a neutral atom of iron?
Answers
Theres Fe2+ or iron(II)
And there’s Fe3+ or iron(III)
How does melting order relate to melting point?
A. The substance that melted the quickest has the highest melting point.
B. The substance that took the longest to melt has the lowest melting point.
C. The substance that melted third to last has the lowest melting point.
D. The substance that took the longest to melt has the highest melting point.
Answers
Answer:
I think A.
Explanation:I say A because of the substance melting the quicking does have the highest melting point because its the highest.
Which of the following are elements? (Select all that apply.)
KCl
Na
C
H2O
Answers
Answer:
Na(Sodium) and C(Carbon) only
Answer:
Na, C
Explanation:
1. KCl, or potassium chloride, is a combination of two elements- so it's a chemical compound.
2. Na, or sodium, can be found on the periodic table of elements. Therefore, it is an element.
3. C, or carbon, can also be found on the periodic table of elements. Therefore, it is an element.
4. H20, or water, is a combination of 2 hydrogen atoms that bonded into an oxygen atom. Combination of 2 or more elements is a chemical compound.
Therefore, the answers are Na and C.
Why is hydrogen gas superior to hot air for lifting a ballon?
Answers
What causes a change in speed or direction?
A) Balanced Force
B) Net Force
C) Force
Answers
Answer:
force i think
Explanation:
Can someone answer that first this pls im lost
Answers
-1.5
-Don’t know the VSEPR
-Polar Covalent
-Again, don’t know VSEPR
-Just look up H2O molecule
Are bath bombs pure substances or mixtures
Answers
Answer:
Yes.
Explanation:
Bath bombs are usually made from three key ingredients: baking soda, citric acid and cornstarch, said Frankie Wood-Black, an instructor in chemistry at Northern Oklahoma College and an experienced bath-bomb maker. Often, bath bombs also include dyes and perfumes, and sometimes they have epsom salt.
Answer: yes
Explanation:
True or false? Simple molecular substances contain delocalised electrons.
Answers
Answer:false
Explanation:
for which elements are outer electrons and valence electrons the same?
Answers
Answer:
The number of electrons in the outermost shell of a particular atom determines its reactivity, or tendency to form chemical bonds with other atoms. This outermost shell is known as the valence shell, and the electrons found in it are called valence electrons.
Explanation:
Elements of same group have same number of valence electrons and similar physical and chemical properties.
What are groups in periodic table ?A periodic table is classified into different columns and rows. The vertical columns in the table are called groups and the horizontal rows are called periods.
From left to right, the atomic number of elements increases by one and atomic size increases. Down a group, the number of electrons and atomic size as well increases.
Elements of same groups have same number of outer electrons or valence electrons. They show similarities in chemical and physical properties.
For example, lithium and sodium are in the first group. They both have one valence electron.
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what is the main difference between sexual and asexual reproduction
Answers
Answer:
Asexual reproduction does not involve sex cells or fertilisation . Only one parent is required, unlike sexual reproduction which needs two parents. Since there is only one parent, there is no fusion of gametes and no mixing of genetic information.
The main difference between sexual and asexual reproduction is that sexual reproduction involves the fusion of gametes, while asexual reproduction does not.
In sexual reproduction, offspring are produced through the fusion of gametes (reproductive cells) from two parent organisms. This fusion, known as fertilization, results in offspring that inherit genetic material from both parents. This genetic recombination introduces variation in the offspring, promoting genetic diversity within a population.
In contrast, asexual reproduction involves the production of offspring without the involvement of gametes or the fusion of genetic material from two parents. A single parent organism reproduces by generating genetically identical or near-identical offspring through various methods such as budding, fragmentation, or binary fission. Asexual reproduction typically leads to offspring that are genetically identical to the parent, lacking the genetic diversity observed in sexual reproduction.
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