Chemistry, 24.03.2020 19:56 ilizzy1224
1. The simulation shows a quantity of oxygen molecules. What state of matter is this?
Answers: 2
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Find the mass in grams of hydrogen gas produced when 14.0 moles of hcl is added to an excess amount of magnesium.
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What is the percentage composition of carbon in the compound ch4
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In a laboratory determination of the atomic weight of tin, a sample of tin is weighed in a crucible. nitric acid is added, and the reaction proceeds to give a hydrated tin(iv)oxide plus no2and h2o. the hydrated tin(iv)oxide is then heated strongly and reacts as follows: sno2.xh2o(s)sno2(s)+ xh2o(g)the sno2is finally cooled and weighed in the crucible. explain the effect on the calculated atomic weight of tin that would result from each of the following experimental errors: (a)considerable spattering occurs when the nitric acid is added to the tin.(b)the hydrated tin(iv)oxide is not heated sufficiently to change it completely to tin oxide.
Answers: 2
1. The simulation shows a quantity of oxygen molecules. What state of matter is this?...
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