Chemistry, 24.02.2021 21:10 graymonky12
Mole to mole limiting regeants question
2 Al + 6 HBr → 2 AlBr3 + 3 H2
When 3.22 moles of Al reacts with 3.05 moles of HBr, how many moles of H2 are formed?
Answer value
Answers: 1
Chemistry, 21.06.2019 22:50, rndschopplein
Achemical reaction (also known as a chemical change) produces substances that are chemically different from the starting materials. an example of a chemical reaction is the formation of water from hydrogen and oxygen gas. in a physical change, a substance changes its physical appearance but not its chemical identity. an example of physical change is the formation of liquid water from solid water, a familiar process called melting. physically, liquid water looks very different from solid water (ice) but the chemical identity, water, is the same for both. which of following changes that affect the composition of our atmosphere involve physical changes and which involve chemical reactions? oxygen gas changes to ozone during thunderstorms carbon dioxide is produced by the combustion of gasoline in an automobile engine. when coal, oil, and natural gas are decomposed in landsills they produce methane gas. freezing rain develops when a warm air mass overrides a cold air mass. fog forms from water vapor when the temperature drops below the dew point
Answers: 1
Chemistry, 22.06.2019 20:30, huangjianhe135
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Chemistry, 23.06.2019 04:31, saladdressing1425
Chemical engineering who specializes in negotiating for large purchases and instructing customers in use of the products are
Answers: 1
Mole to mole limiting regeants question
2 Al + 6 HBr → 2 AlBr3 + 3 H2
When 3.22 moles o...
When 3.22 moles o...
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