Chemistry, 19.02.2021 21:00 beeboppity
21.Electromagnetic radiation can take the form of which of the following types of waves
a. Heat
b. Light
c. Ultraviolet
d. All of the above
Answers: 1
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Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments
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Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility
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To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.
Answers: 1
21.Electromagnetic radiation can take the form of which of the following types of waves
a. Heat
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