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Author Question: An atom of bromine has a mass about four times greater than that of an atom of neon. Which choice ... (Read 133 times)

hgjjghgjh

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on: Nov 5, 2023

Question 1

Ammonia reacts with oxygen to form nitric oxide and water vapor:
         4NH3 + 5O2→ 4NO + 6H2O
What is the theoretical yield of water, in moles, when 40.0 g NH3 and 50.0 g O2 are mixed and allowed to react?
◦ 1.30 mol
◦ 1.57 mol
◦ 1.87 mol
◦ 3.53 mol
◦ None of these.

Question 2

An atom of bromine has a mass about four times greater than that of an atom of neon.  Which choice makes the correct comparison of the relative numbers of bromine and neon atoms in 1,000 g of each element?
◦ The number of bromine and neon atoms is the same.
◦ There are one thousand times as many bromine atoms as neon atoms.
◦ There are one thousand times as many neon atoms as bromine atoms.
◦ There are four times as many neon atoms as bromine atoms.
◦ There are four times as many bromine atoms as neon atoms.
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by hgjjghgjh on Nov 5, 2023

leilani49

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Reply #1 on: Nov 5, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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hgjjghgjh

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Reply 2 on: Nov 5, 2023
:D TYSM

patma1981

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Reply 3 on: Yesterday
Wow, this really help

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