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Crank
3 years ago
15

Explain what happens to the average kinetic energy thermal energy and temperature of a substance when the particles in the subst

ance slows down
Chemistry
2 answers:
kkurt [141]3 years ago
8 0
The average kinetic energy and thermal energy decreases, and the temperature decreases as well.
vivado [14]3 years ago
8 0

The particles in a substance slow down when the average kinetic energy of the particles decreases. As the average kinetic energy decreases, the internal energy decreases, and so the thermal energy decreases. As the thermal energy of the substance decreases, the temperature decreases.

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Count then plot the total number of atoms in the reactants to total atoms
valina [46]
Answer C
explanation C
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3 years ago
Calculate the Ka for the following acid. Determine if it is a strong or weak acid. HClO2(aq) dissolves in aqueous solution to fo
Talja [164]

Answer:

The value of Ka = 1.1*10^{-2}

It is a weak  acid

Explanation:

   From the question we are told that

             The concentration of [HClO_2]=0.24M

             The concentration of  [H^+]=0.051M

             The concentration of  [ClO_2^-]=0.051M

Generally the equation for the ionic dissociation of HClO_2 is

                HClO_2_(aq) -------> H^{+}_{(aq)} + ClO_2^{-}_{(aq)}

The equilibrium constant is mathematically represented as

                         Ka = \frac{concentration  \ of  \ product  }{concentration \ of \  reactant }

                               = \frac{[H^+][ClO_2^-]}{[HClO_2]}

Substituting values since all value of concentration are at equilibrium

                    Ka = \frac{0.051 * 0.051}{0.24}

                          = 1.1*10^{-2}

Since the value of  is less than 1 it show that in water it dose not completely

disassociated  so it an acid that is weak

                         

               

3 0
3 years ago
Which of the following is represented by the number of significant figures in a quantity? A) estimation B) precision C) accuracy
enyata [817]

Answer: the answer is B estimation

Explanation:

i just took a test

4 0
3 years ago
When non metals react with other elements and compounds what happens to their valence electrons?
DiKsa [7]

Answer:

d

Explanation:

they either gain valence electrons or share them depending on what elements or compound they are reacting with

5 0
2 years ago
The vitamin ______ is one of the components of coenzyme a, which is involved in _____. pantothenic acid; carboxylation pantothen
timama [110]
From what I can recall, I believe the answer is pantothenic acid; acyl transfer. I'm a bio major, hope I helped. :)
8 0
3 years ago
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