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Helen [10]
4 years ago
12

Shiloh wanted to observe the changes that occurred during an exothermic reaction. He monitored the changes and placed them in a

chart.
Chemistry
1 answer:
Nostrana [21]4 years ago
7 0
<span>The activation energy was reached was 10:45 a.m. The additional energy did not affect the reaction.</span>
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Use higher concentration of acid to produce 2 moles of hydrogen to form water
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What is the molarity of a solution that has 2.87 moles of NaCl in 5020 mL of solution?
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A small bubble rises from the bottom of a lake where the temperature and pressure are 4.0 C and 3.0 atm, to the water’s surface,
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Explanation:

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

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T_1 = initial temperature of gas = 4^oC=273.15+4K=277.15 K

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Now put all the given values in the above equation, we get:

\frac{3 atm\times 0.0021 L}{277.15 K}=\frac{0.95 atm\times V_2}{298.15 K}

V_2=\frac{3 atm\times 0.0021 L\times 298.15 K}{277.15 K\times 0.95 atm}=0.00713 L = 7.13 mL

The final volume of the bubble is 7.13 mL.

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3 years ago
Thymine is always joined to
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Hope this helps!

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