Chemistry, 07.04.2021 17:40 dokithefursona
A gas occupies 10.0 L at 40.0°C and 1.2 atm. How many moles of gas are present?
Answers: 3
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Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
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Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.
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Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?
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What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
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A gas occupies 10.0 L at 40.0°C and 1.2 atm. How many moles of gas are present?...
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