Chemistry, 13.04.2020 17:49, wendymtz2004
A solid is placed in a solution. Which observation most likely indicates that a chemical reaction has occurred?
A.)The size of the solid has rapidly decreased.
B.)The color of the solution has not changed.
C.)The solid has bubbles forming on its surface.
D.)The temperature of the solution stays the same.
Answers: 1
Chemistry, 22.06.2019 19:10, krisandlance
Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m
Answers: 1
Chemistry, 23.06.2019 01:30, babygirl091502
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding. i
Answers: 1
A solid is placed in a solution. Which observation most likely indicates that a chemical reaction ha...
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