Chemistry, 27.08.2019 22:50 smckinney6139
Asample of concrete contains cement, gravel, crushed rocks, sand, and water. each of these contains different metals and minerals and hence has different colors and different properties.
which term or terms could be used to describe this sample of concrete?
Answers: 1
Chemistry, 22.06.2019 14:30
For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2
Answers: 3
Chemistry, 23.06.2019 02:00
Butane gas reacts with oxygen gas to give carbon dioxide gas and water vapor (gas). if you mix butane and oxygen in the correct stoichiometric ratio, and if the total pressure of the mixture is 390 mmhg, what is the pressure (in mmhg) of water vapor after the reaction is completed (temperature and volume do not change).
Answers: 2
Chemistry, 23.06.2019 07:40
What is the reduction potential of a hydrogen electrode that is still at standard pressure, but has ph = 5.65 , relative to the she?
Answers: 1
Chemistry, 23.06.2019 08:00
Problem page a jet airplane reaches 846. km/h on a certain flight. what distance does it cover in 13.0 min? set the math up. but don't do any of it. just leave your answer as a math expression. also, be sure your answer includes all the correct unit symbols.
Answers: 2
Asample of concrete contains cement, gravel, crushed rocks, sand, and water. each of these contains...
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