Chemistry, 21.01.2021 20:00 kathrynsalomon
Which sample at STP has the same number of atoms as 18 liters of Ne(g) at STP?
1. 18 moles of Ar(g)
2. 18 liters of Ar(g)
3. 18 grams of H2O(g)
4. 18 millimeters of H20(g)
Answers: 3
Chemistry, 21.06.2019 22:30, micvar9646
Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3
Answers: 3
Chemistry, 22.06.2019 11:00, daniel1480
Problem page combustion of hydrocarbons such as pentane ( c5 h12 ) produces carbon dioxide, a "greenhouse gas." greenhouse gases in the earth's atmosphere can trap the sun's heat, raising the average temperature of the earth. for this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree c. calculate the volume of carbon dioxide gas that is produced. be sure your answer has the correct number of significant digits.
Answers: 2
Which sample at STP has the same number of atoms as 18 liters of Ne(g) at STP?
1. 18 moles of Ar(g)...
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