3 years ago

how would a chemical reaction that includes an enzyme differ from a chemical reaction that thats places without an enzyme

1 answer:

6 0

Enzymes offer a faster pathway for the reaction to happen, so they lower the activation energy necessary for the reaction to happen. The result is that the reaction will happen faster

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Based on the chemical equation, use the drop-down menu to choose the coefficients that will balance the chemical equation:

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Explanation: edge 2020 chem

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3 years ago

Assuming that all the energy given off in the reaction goes to heating up only the air in the house, determine the mass of metha

nirvana33 [79]

Answer:

0.92 kg

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The volume occupied by the air is:

$35.0m\times 35.0m \times 3.2m \times \frac{10^{3}L }{1m^{3} } =3.9 \times 10^{6} L$

The moles of air are:

$3.9 \times 10^{6} L \times \frac{1.00mol}{22.4L} =1.7 \times 10^{5}mol$

The heat required to heat the air by 10.0 °C (or 10.0 K) is:

$1.7 \times 10^{5}mol \times \frac{30J}{K.mol} \times 10.0 K = 5.1 \times 10^{7}J$

Methane's heat of combustion is 55.5 MJ/kg. The mass of methane required to heat the air is:

$5.1 \times 10^{7}J \times \frac{1kgCH_{4}}{55.5 \times 10^{6} J } =0.92kgCH_{4}$

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3 years ago

A _____ solution contains more dissolved solute than a saturated solution at the same temperature.

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The answer according to my teacher would be Supersaturated

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3 years ago

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