Chemistry, 13.12.2019 23:31 shouyuanroh3685
2.00
a rock can be broken down into different kinds of substances by physical processes. no chemical reactions are needed to
separate different parts of a rock into pure substances. this is because a rock is a
*compound
*element
*mineral
*mixture
Answers: 3
Chemistry, 21.06.2019 17:30
Given that the molar mass of nano3 is 85.00 g/mol, what mass of nano3 is needed to make 4.50 l of a 1.50 m nano3solution? use .6.75 g18.9 g255 g574 g
Answers: 1
Chemistry, 22.06.2019 20:00
In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation:
Answers: 3
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a rock can be broken down into different kinds of substances by physical processes. no ch...
a rock can be broken down into different kinds of substances by physical processes. no ch...
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