What is true of the rate of radioactive decay? A. The rate is constant. B. The rate is continuously accelerating. C. The rate is continuously decelerating. D. The rate is exponentially accelerating.

Answers

Answer 1

Answer: The truest of the rate of radioactive decay is that the rate is exponentially accelerating. The answer is letter D. The rate is constant, the rate is continuously accelerating, the rate is continuously decelerating do not answer the question above.

Answer 2

Answer:

Answer:

its a) the rate of decay is constant.

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Someone please help with these chemistry questions

In what ways is a sodium atom different from a sodium ion? *

Answers

sodium atom is neutral where sodium ion is a charged specie with a charge of +1. The number of protons and electrons in sodium atom is same 11 where the number of protons in sodium ion (11) is more than number of electrons (10). The size of sodium ion is smaller than sodium atom.

if eqaul volumes of 0.1 m naoh and 0.1 m hcl arw mixed, the resulting solution will contain a salt and what

Answers

It will contain NaCl. The acid base reaction will look like this: HCl(aq)+NaOH(aq)⇒H₂O(l)+NaCl(aq)

The reaction occurs due to the fact that HCl (being a strong acid) will dissociate into H⁺ and Cl⁻ while NaOH (being a strong base) will dissociate into OH⁻ and Na⁺. The H⁺ and OH⁻ will react together to form water and the Na⁺ and Cl⁻ will remain in solution as the salt. (this is sometimes called a neutralization reaction since the HCl and NaOH neutralize each other.)

I hope this helps. Let me know if anything is unclear.

Why potasium more reactive than lithium and sodium

Answers

So potassium is more reactive than lithium because the outer electron of a potassium atom is further from its nucleus than the outer electron of a lithium atom. Hope this answers the question. Have a nice day. Feel free to ask more questions.

What occurs when there are OH- ions in a solution? A. A sour taste B. A reaction with Al (s) to release hydrogen gas C. a slippery feeling D. A reaction with a base

Answers

The answer is (C) a slippery feeling. The solution with OH- ion is a base. So it will react with acid and can not react with Al to release H2. It tastes more like obscure, not sour.

Which is true about the dissolving process in water? Nonpolar solutes dissolve easily in water. Solute molecules surround water molecules. Molecules or ions of a solute spread throughout the water molecules. Water molecules are repelled by solute ions at the surface of the solute.

Answers

The simple principle for solute dissolution in a particular solvent is "like dissolves like". In the case of water, a solute will dissolve if it is polar. This is because water is a polar solvent. A polar substance is one which has particles that have a net charge on them. This net charge produces forces of attraction. When a polar solute is added to water, the water molecules are attracted to the solute particles and they attach to them. After attaching to the water molecules, the solute particles are dispersed throughout the water. Therefore, the answer is molecules or ions of a solute spread throughout the water molecules.

Answer:

C. Molecules or ions of a solute spread throughout the water molecules.

Explanation:

C. Molecules or ions of a solute spread throughout the water molecules.

Compounds that do not conduct an electric current in either aqueous solution or when molten are referred to as _____.a. electrolyte
b. nonelectrolyte
c. not listed
d. ionic

Answers

The answer is B. Nonelectrolyte. Nonelectrolytes are substances that do not dissociate into ions when dissolved in a solution. In some cases, they dissociate into molecules rather than ions. They are usually polar covalent substances such as sucrose (C12H22O11). Nonelectrolytes are considered to be poor conductors of electricity.

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