Chemistry, 07.10.2020 14:01 kruzyoungblood8
Which of these is true of a chemical reaction? (a) The total number of atoms does not change, so mass is conserved in the reaction. (b) Even if the total number of atoms changes, mass may not be conserved in the reaction. (c) Even if the total number of does not change, mass may not be conserved in the reaction. (d) The total number of atoms changes, so mass is conserved in the reaction.
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Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density
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Chemistry, 22.06.2019 16:50
What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume
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Chemistry, 22.06.2019 16:50
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
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Which of these is true of a chemical reaction? (a) The total number of atoms does not change, so mas...
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