1.011)
Which of these substances will water dissolve?
A. lithium fluoride (an ionic substa...
Chemistry, 19.05.2020 16:11 samanthabutryn
1.011)
Which of these substances will water dissolve?
A. lithium fluoride (an ionic substance)
B. carbon dioxide (a nonpolar molecule)
C. wax
D. all of these
Answers: 3
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Amanda pushes a box across the room with a force of 30 n. it accelerates at 5 m/s/s. what is the mass of the box? * 6 kg 1.16 kg 30 kg 5kg
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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
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