Chemistry, 22.12.2020 02:40 williamwu2750
When correctly balanced using the smallest whole number coefficients, what is the coefficient of copper in the following formulaCu+S8>Cu2S
A. 1
B. 2
C. 8
D. 16
Answers: 3
Chemistry, 21.06.2019 13:30
A48 g piece of ice at 0.0 βc is added to a sample of water at 7.4 βc. all of the ice melts and the temperature of the water decreases to 0.0 βc. how many grams of water were in the sample?
Answers: 1
Chemistry, 21.06.2019 23:50
Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.
Answers: 1
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) β co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) β co2(g) k=1.363Γ10^69 b. 2 h2(g) + o2(g) β 2 h2o(g) k=1.389Γ10^80 c. 2co(g) + o2 (g) β 2 co2(g) k=1.477Γ10^90
Answers: 1
Chemistry, 22.06.2019 10:30
Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.
Answers: 1
When correctly balanced using the smallest whole number coefficients, what is the coefficient of cop...
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