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1.10
Which procedure involves a physical change in one of the substances?
O creating...
Chemistry, 19.11.2020 05:50, ballerthesavage3287
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1.10
Which procedure involves a physical change in one of the substances?
O creating salt by reacting sodium metal and chlorine gas
O grinding chalk into a fine powder
o building a model rocket propelled by mixing baking soda and vinegar
O allowing a nail to rust
Answers: 3
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Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e
Answers: 2
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Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions
Answers: 1
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