Chemistry, 06.10.2019 16:50, skaterwolf1317
For the equation caco3 (s) + 2hcl (aq) → cacl2 (s) + h2 (aq) + h2o (l), 100.00 g of caco3 pellets are combined with 250 ml of hcl of a 2.0 m solution. which of the following will increase the rate of the chemical reaction?
a. add heat to the reaction.
b. increase the concentration of hcl to 3.0 m.
c. crush the caco3 into powder.
d. all of the above
e. none of the above
Answers: 2
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An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?
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For the equation caco3 (s) + 2hcl (aq) → cacl2 (s) + h2 (aq) + h2o (l), 100.00 g of caco3 pellets ar...
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