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Chemistry, 22.06.2019 15:20
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
Chemistry, 22.06.2019 20:30
Which states of matter have particles that move independently of one another with very little attraction?
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Chemistry, 22.06.2019 20:30
Which of the following is not true about the atomic model of substances?
Answers: 1
The star which has an apparent magnitude of +0.8 is ....
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