Chemistry, 28.08.2019 19:10 liliaboop5006
energy transformations occur as energy changes from one form to another. as these transformations occur, which of the following happens?
a. heat is given off
b. pressure increases
c. mass is combusted
d. pressure decreases
Answers: 1
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All cells are made of four types of acids, lipids, proteins, and carbohydrates.
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What is the name of the enzyme that forms at the start of transcription?
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Which statement is true regarding the diagram of circle p? the sum of y and z must be 2x. the sum of y and z must be x. the difference of z and y must be 2x. the difference of z and y must be x
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Chemistry, 23.06.2019 08:50
Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)
Answers: 3
energy transformations occur as energy changes from one form to another. as these transformations oc...
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