Chemistry, 18.05.2021 21:00 naomihiggins8783
Which statement best explains what causes the phase change from solid ice to liquid water?
a. Heat is released as ice turns into liquid water.
b. The mass increases when ice turns into liquid water.
c. Heat is absorbed as ice turns into liquid water.
d. The hydrogen bonds prevent the absorption of heat.
Answers: 3
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Explain that newton first law,second law and third law of motion?
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Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.
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Chemistry, 23.06.2019 15:30
The amount of iron in ore can be quantitatively determined by titrating a solution of the unknown with a standard solution of dichromate, cr2o72−. the net ionic equation is 6fe2+(aq)+cr2o72−(aq)+14h+(aq)→6fe3+(aq)+2cr3+(aq)+7h2o(aq) part a the titration of 25.0 ml of an iron(ii) solution required 18.0 ml of a 0.230 m solution of dichromate to reach the equivalence point. what is the molarity of the iron(ii) solution?
Answers: 1
Which statement best explains what causes the phase change from solid ice to liquid water?
a. Heat...
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