Oxygen can be produced in the laboratory by the reaction
2KClO3βββ-> 2KCl+3O2
How m...
Chemistry, 24.10.2021 18:40 allegra0103
Oxygen can be produced in the laboratory by the reaction
2KClO3βββ-> 2KCl+3O2
How much potassium chlorate is needed to produce 2.75 L of oxygen, collected over water at 37Β°C and 94.9 kPa? The vapor pressure of water at 37Β°C is 6.28 kPa.
Answers: 2
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) β 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 Β°c?
Answers: 2
Chemistry, 22.06.2019 19:30
Phosphorous can form an ion called phosphide, which has the formula p3β. this ion can form an ion called phosphide, which has the formula p3β. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons
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Rays from the sun are not considered matter true or false
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Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.
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