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Lady_Fox [76]
2 years ago
10

What percentage of incoming college students did not consume any alcohol?

Chemistry
1 answer:
Katyanochek1 [597]2 years ago
4 0

Answer:

Approximately 38%

What percentage of incoming students report not drinking at all in the past year? Approximately 38% of incoming college students reported not drinking at all in the past year.

Explanation:

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If 0.400 moles CO and 0.400 moles O2 completely react how many grams of CO2 are produces?
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If 0.400 moles CO and 0.400 moles O2 completely react, 17.604 grams of CO2 would be produced.

First, let us look at the balanced equation of reaction:

2CO + O_2 ---> 2CO_2

According to the equation, the mole ratio of CO and O2 is 2:1. But in reality, the mole ratio supplied is 1:1. Thus, CO is the limiting reactant while O2 is in excess.

Also from the equation, the ratio of CO consumed to that of CO2 produced is 1:1. Thus, 0.400 moles of CO2 would also be produced from 0.400 moles of CO.

Recall that: mole = mass/molar mass

Therefore, the mass in grams of CO2 that would be produced from 0.400 moles can be calculated as:

    Mass = mole x molar mass

                 = 0.400 x 44.01

                       = 17.604 grams

More on calculating mass from number of moles can be found here: brainly.com/question/12513822

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2 years ago
the reversible reaction N2(g) 3H2(g) <--> 2NH3(g) produces ammonia, which is a fertilizer. At equilibrium, a 1L flask cont
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Explanation:

the chemical equilibrium constant can be easily calculated since the concentrations at equilibrium are given.the calculation shows the value of Kc for the reversible reaction and forward reaction

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3 years ago
A quantity of energy equal to 8.90 × 1012 joules was emitted from a nuclear reaction. What amount of mass was required to be con
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E = mc^2
E = 8.90 * 10^12 Joules
c = 3 * 10^8 m/s
m = ????

8.90 * 10^12 = m * (3 * 10^8)^2
8.90 * 10^12 = m * 9 * 10^16
9.889 * 10^-4 kg = m <<<<< answer
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3 years ago
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An atom of aluminum in the ground state and an atom of gallium in the ground state have the same
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(4) total number of valence electrons, because they exist in the same group.
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Light energy acts as a catalyst that speeds up the rate of photosynthesis

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