Chemistry, 26.03.2021 03:30, davialashay2458
1. Fill in the best answer for each of the following: a) is the capacity to do work or to supply heat. b) is energy stored within a substance due to its chemical composition. c) A reaction that absorbs energy is called a(n) reaction. d) The says that in any chemical or physical change, energy can neither be created nor destroyed, only changed in form. e) Thermochemistry is the study of that occur during chemical and physical changes.
Answers: 1
Chemistry, 21.06.2019 19:30, haybaby312oxdjli
Water molecules have a strong attraction to each other because of hydrogen bonding, allowing water to move against gravity up a plant's stem through capillary action. true false
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Chemistry, 22.06.2019 00:30, mannster03
This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
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Chemistry, 22.06.2019 06:00, jwood287375
When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?
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Chemistry, 22.06.2019 06:30, yolo123321
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
1. Fill in the best answer for each of the following: a) is the capacity to do work or to supply he...
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