Chemistry, 26.11.2019 04:31 4tazaouiamine1r
Which equation correctly represents the electron affinity of calcium? a) ca(g) + e- > ca- (g)b) ca (g) --> ca+ (g) +e-c) ca (g) > ca- (g) + e-d) ca- (g) > ca (g) + e-e) ca+ (g) + e- > ca (g)
Answers: 3
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 23.06.2019 11:00
Afraction can be converted to a decimal by dividing the denominator into the numerator. use a calculator. divide to convert the fractions from part a to decimals. then describe the pattern you see in the decimal.
Answers: 3
Chemistry, 23.06.2019 14:00
Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature.
Answers: 1
Which equation correctly represents the electron affinity of calcium? a) ca(g) + e- > ca- (g)b)...
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