Chemistry, 15.07.2019 12:00 PearlJam5492
You are a geologist studying an unusual rock formation in a recently discovered cave. in order to determine if the rocks contain the mineral calcite (cacao3) you test it by putting a few drops of hydrochloric acid (hcl) on it. the rock sample begins to fizz and bubbles form, indicating it contains calcite. what is this an example of? a. ability to rust b. chemical change c. physical change d. identity property
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The equation below shows the reaction of zinc with hydrochloric acid (hcl). zn (s) + 2 hcl (aq) —> zncl2 (aq) + h2 (g) what will happen if the concentration of hcl is decreased? a. more zncl2 will be produced. b. the reaction rate will slow down. c. the hydrochloric acid will become more acidic. d. the reaction will produce water instead of hydrogen gas.
Answers: 1
You are a geologist studying an unusual rock formation in a recently discovered cave. in order to de...
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