< Question 8 of 10
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Suppose 839 g of ethanol, C, H,OH, was added to 6.275 x 10' g of water. By how much would this lower the freezing
point? The freezing point depression constant, Kr, for water is 1.86 °C/m.
33.9 °C
5.40 °C
0.641 °C
0.00540 °C

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both

What was bohr’s contribution to the planetary model