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bearhunter [10]
3 years ago
10

Which of the following is the best explanation for the trend in the graph?

Chemistry
1 answer:
morpeh [17]3 years ago
3 0

Answer:

it is the only one going up

Explanation:

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Sophie [7]

Answer: B) The fireworks give off heat

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3 years ago
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To pull up a bucket of water from a well, George pulled hard on a handle to wind up a rope. Which kind of energy was George appl
mote1985 [20]

b frictional energy

is the correct answer

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3 years ago
Determine the [H3O+] in a 0.265 M HClO solution. The Ka of HClO is 2.9 × 10-8.
dexar [7]

8.8 × 10-5 M is the  [H3O+] concentration in 0.265 M HClO solution.

Explanation:

HClO is a weak acid and does not completely dissociate in water as ions.

the equation of dissociation can be written and ice table to be formed.

 HClO +H2O ⇒ ClO- + H3O+

I  0.265                0        0

C  -x                    +x     +x

E  0.265-x          +x      +x

Now applying the equation of Ka, where Ka is given as 2.9 × 10-8.

Ka = \frac{[ClO-][H3O+]}{[HClO]}

2.9 × 10^-8 = \frac{[x] [x]}{[0.265-x]}

x^{2} = 7.698 x10^{-9}

x = 8.8 × 10-5 M

The hydronium ion concentration is 8.8 × 10-5 M  in 0.265 M solution of HClO.

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Water from a lake changes to a gas state in the process of what?
boyakko [2]
Of heating. Or when the lake is exposed to boil because of the temperature.
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4 years ago
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The 3 components of air
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Nitrogen (around 78%), Oxygen (around 21%), and Argon (around 1%).

Hope this helps :)

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