Which interaction is responsible for the force of attraction between the particles in a salt crystal? A. proton-proton
B. proton-electron
C. neutron-electron
D. electron-electron

Answers

Answer 1

Answer: The answer is proton-electron attraction. All chemical bonds whatever the type will end up in one single idea that protons attracts electrons. The protons in the nuclei of an atom attracts all electrons near, those that came with the atom itself and electrons of atoms nearby. The two atoms get closer and a chemical bond is formed.

Answer 2

Answer:

Answer:

Explanation:

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What increases the salinity of the ocean surface water, causing it to sinkdownward?
Help

Answers

Answer:

Thermohaline Circulation

Explanation:

The process is known as “Thermohaline Circulation”. In the Earth’s polar regions ocean water gets very cold, forming sea ice. As a consequence the surrounding seawater gets saltier, because when sea ice forms, the salt is left behind. As the seawater gets saltier, its density increases, and it starts to sink.

If 80 grams of Al and 80 grams of Fe2 O3 are combined, what is the maxium number of moles of fe that can be produced?

Answers

Answer:

The maximum number of moles of Fe that can be produced is 1 mol

Explanation:

The reaction is this:

2Al + Fe₂O₃ → 2Fe + Al₂O₃

Moles of Al = Mass of Al / Molar mass Al

80 g / 26.98 g/m = 2.96 moles

Mol of Fe₂O₃ = Mass of Fe₂O₃ / Molar mass Fe₂O₃

80 g / 159.7 g/m = 0.500 moles

For sure, with the naked eye, the limiting reagent is the Fe₂O₃ .

1 mol of oxide, produces 2 mol of Fe

So, 0.5 mol of oxide, will produce 1 mol of Fe

Which it's which pls help me

Answers

P: Good conductor of heat and electricity - R: the delocalized electrons are
free to move around the structure

P: High melting and boiling points - R: the bonds in metals are very strong

P: Ductile (can be stretched and squashed) - R: because the electrons are free to move, the atoms can slide over each other.

P: Malleable (can be hammered into shape) - R: the bonds in metal don't break easily

The primary role of ATP is to _______ by transferring a phosphate group to a molecule and forming ADP.A
provide energy for cellular work

B)

produce heat energy

C)

reduce the activation energy of a reaction

D)

take energy from cellular work

Answers

Answer:

A) provide energy for cellular work

Explanation:

The Adenosine triphosphate (ATP) molecule is the nucleotide known in biochemistry as the "molecular currency" of intracellular energy transfer; that is, ATP is able to store and transport chemical energy within cells. ATP also plays an important role in the synthesis of nucleic acids.

ATP always GIVES ENERGY

Final answer:

The primary function of ATP is to provide energy for cellular work. It does so by transferring a phosphate group to a molecule and forming ADP. This key process drives cellular metabolism and enables life-critical activities.

Explanation:

The key role of ATP, also known as Adenosine Triphosphate, is to provide energy for cellular work. ATP carries out this function by transferring a phosphate group to a molecule. This breaks a high energy bond and forms ADP (Adenosine Diphosphate), releasing energy that can be utilized by the cell to do work.

ATP acts as the primary energy currency of the cell. This process is at the heart of cellular metabolism and is common to all living organisms. Essentially, ATP acts as a bridge, transferring energy from chemical reactions that yield energy to cellular processes that consume energy, such as muscular contraction, cell division, or the synthesis of biomolecules.

Learn more about ATP here:

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Josh prepares a solution by mixing sodium nitrate with water. To calculate the molarity of the solution, josh should calculate the moles of which substance,and why?

Answers

There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. Josh should calculate the moles of the sodium nitrate by dividing the mass with the molar mass of sodium nitrate. This is because it is the solute in this problem.

Answer:

the answer is sodium nitrate because it is solute

Explanation

thats what is correct I assure you.

If the solution process is endothermic, then an increase in temperature usually results in:an increase in solubility

a decrease in solubility

no change in the solubility

a slower reaction

Answers

If the solution process is endothermic, then an increase in temperature usually results in an increase in solubility. Their heat of reaction is usually positive. The rest of the choices do not answer the question above.

Answer:

solubility increases

Explanation:

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