Chemistry, 31.01.2021 19:20 romanbattistelli23
If all people were pea pickers, then how long would it take for the entire population of Earth to pick 2 mol of peas at the rate of 3 pea per second, working 40-hour workweek for 52 weeks a year? (to 3 sig figs)
Answers: 2
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As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
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Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa
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Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?
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What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures
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If all people were pea pickers, then how long would it take for the entire population of Earth to pi...
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