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Chemistry, 22.06.2019 17:00, Estrella2209
Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
Answers: 1
Chemistry, 23.06.2019 07:30, jessicawelch25
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
Chemistry, 23.06.2019 10:20, ramondoss249
An engineer wishes to design a container that will hold 12.0 mol of ethane at a pressure no greater than 5.00x10*2 kpa and a temperature of 52.0 degrees celsius. what is the minimum volume the container can have?
Answers: 1
Chemistry, 23.06.2019 17:40, mimithurmond03
Which type of bonding involves the complete transfer of a valence electron from a less electronegative atom to a more electronegative one?
Answers: 1
Milkian used (blank) in his apparatus to study electron change....
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