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matrenka [14]
3 years ago
9

Which statement below best describes kinetic energy?

Chemistry
1 answer:
NISA [10]3 years ago
6 0

Option B: Kinetic Energy is the energy that exists because something is moving.

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Which of the following would have a fixed shape and volume?
Masja [62]
Answer is: <span>solid wood.

There are </span>five fundamental states of matter (gas, liquid, solid, plasma and Bose–Einstein condensate).
<span>In solid, molecules are closely packed, stiff and do not changes of shape or volume. S</span><span>olid object (in this example wood) does not take on the shape of its container.
</span>Liquids (in this example water) <span>have definite volume, but no fixed shape.
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8 0
4 years ago
Quantum numbers for osmium
FinnZ [79.3K]

if your n is 6 then the 2nd number is 5.  

the order is this  

n, 0 --> n-1, -L <-> L, and then either -1/2 or +1/2. i know its really confusing i hate chem myself, but its kinda ironic cuz this was the only thing i understood haha

5 0
3 years ago
Which one is correct Lewis diagram for CO2<br>​
Shkiper50 [21]

Answer:

a correct Lewis diagram for CO2 would look something like this

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One C and 2 O. Both O have 4 extra dots and 2 lines/bonds to the C. C has no extra dots.

Hope this helps!

6 0
3 years ago
Find the concentration of H+ ions at a pH = 11 and
Black_prince [1.1K]

Explanation:

the pH of the solution defined as negatuve logarithm of H^+ ion concentration.

pH=-\log[H^+]

1. Hydrogen ion concentration when pH of the solution is 11.

11=-\log[H^+]

[H^+]=1\times 10^{-11} mol/L..(1)

At pH = 11, the concentration of H^+ ions is 1\times 10^{-11} mol/L.

2. Hydrogen ion concentration when the pH of the solution is 6.

6=-\log[H^+]'

[H^+]'=1\times 10^{-6} mol/L..(2)

At pH = 6, the concentration of H^+ ions is 1\times 10^{-6} mol/L.

3. On dividing (1) by (2).

\frac{[H^+]}{[H^+]'}=\frac{1\times 10^{-11} mol/L}{1\times 10^{-6} mol/L}=1\times 10^{-5}

The ratio of hydrogen ions in solution of pH equal to 11 to the solution of pH equal to 6 is 1\times 10^{-5}.

4. Difference between the H^+ ions at both pH:

1\times 10^{-6} mol/L-1\times 10^{-11} mol/L=9.99\time 10^{-7} mol/L

This means that Hydrogen ions in a solution at pH = 7 has 9.99\time 10^{-7} mol/L ions fewer than in a solution at a pH = 6

6 0
4 years ago
Read 2 more answers
What is the bond energy required to break one mole of carbon-carbon bonds​
ArbitrLikvidat [17]

Answer:

<h2><u><em>100 kcal of bond energy</em></u></h2>

<u><em></em></u>

8 0
3 years ago
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