Chemistry, 06.10.2019 19:30, lilquongohard

How can some stars be bright yet cool (and vice versa)?

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 23:00, PatrickHB

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Answers: 1

continue

Chemistry, 23.06.2019 09:00, smn43713

How many moles of sulfur dioxide are in 2.26 × 10^33 sulfur dioxide molecules?

Answers: 3

continue

Chemistry, 23.06.2019 09:00, sammypaige08

A0.10 m aqueous solution of sodium sulfate is a better conductor of electricity than a 0.10 m aqueous solution of sodium chloride. which of the following best explains this observation? (a) sodium sulfate is more soluble in water than sodium chloride. (b) sodium sulfate has a higher molar mass than sodium chloride. (c) to prepare a given volume of 0.10 m solution, the mass of sodium sulfate needed is more than twice the mass of sodium chloride needed. (d) more moles of ions are present in a given volume of 0.10 m sodium sulfate than in the same volume of 0.10 m sodium chloride. (e) the degree of dissociation of sodium sulfate in solution is significantly greater than that of sodium chloride.

Answers: 2

continue

Chemistry, 23.06.2019 10:30, robot2998

Which of the following characteristics are true of enzymes? check all that apply. a.)the structure of an enzyme can change if conditions change. b.)a single enzyme can normally catalyze a wide variety of reactions under many conditions. c.)enzymes are found only in nonliving systems. d.)enzymes allow living things to regulate body conditions through feedback mechanisms. e.)enzymes bind to specific substrates in specific ways. f.)enzymes increase the rate of reaction. g.)when shown in energy-reaction diagrams, enzymes represent the higher activation energy.