Chemistry, 18.11.2020 09:50 aide1234564
At STP or standard conditions, which list of elements contains a solid, a liquid, and a gas?
A. Hafnium, Mercury, and Helium
B. Barium, Bromine, and Boron
C. Chromium, Chlorine, and Carbon
D. Selenium, Tin, and Strontium
Answers: 2
Chemistry, 22.06.2019 07:40
The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder
Answers: 3
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Chemistry, 22.06.2019 15:20
Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma
Answers: 1
At STP or standard conditions, which list of elements contains a solid, a liquid, and a gas?
A. Haf...
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