Chemistry, 26.01.2021 20:20, joshuaburton773
The results of a classroom group activity performed to test the acidic or basic nature of two substances are shown in the table. Which of the following is true about the nature of the two substances?
1) Both substances are acids.
2) Both substances are bases.
3) Substance X is an acid, and substance Y is a base.
4) Substance X is a base, and substance Y is an acid.
Answers: 1
Chemistry, 22.06.2019 06:00, hdjsjfjruejchhehd
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.
Answers: 1
Chemistry, 22.06.2019 15:00, kandi2565
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 22:00, huddyxo
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
Answers: 1
The results of a classroom group activity performed to test the acidic or basic nature of two substa...
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