Chemistry, 04.01.2021 23:30 yasyyas646646
The number of atoms in 10. grams of calcium is equal to 6.0 x 1023 multiplied by which number?
Answers: 3
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Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.
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One does not belong why? ice, gold ,wood ,diamond and table salt
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Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions
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Suppose a pair of chemical compounds a and b can react in two different ways: a + b -> c reaction 1 gives product c. a + b -> d reaction 2 gives product d. the following facts are known about the two reactions: . reaction 1 is endothermic and reaction 2 is exothermic. if a reaction vessel is charged (filled) with a and b , then at first d is produced faster than c. use these facts to sketch a qualitative reaction energy diagram for both reactions. note: because these sketches are only qualitative, the energies don? t have to be exact. they only have to have the right relationship to each other. for example, if one energy is less than another, that fact should be clear in your sketch.
Answers: 3
The number of atoms in 10. grams of calcium is equal to 6.0 x 1023 multiplied by which number?...
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