Chemistry, 19.05.2021 21:20 Jazzypooh9274
"PLEASE HELP ASAP"What is the mass of a sample of NH3 containing 6.3 × 1024 molecules of NH3? (5 points)
157 grams
178 grams
182 grams
198 grams
Answers: 3
Chemistry, 21.06.2019 14:00
Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100
Answers: 2
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Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?
Answers: 2
Chemistry, 22.06.2019 13:00
One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. the speed of light is 2.9979 x 108 m/s.
Answers: 1
"PLEASE HELP ASAP"What is the mass of a sample of NH3 containing 6.3 × 1024 molecules of NH3? (5 poi...
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