Answer: The mass of 405 ml of cresol is 415 grams
Explanation:
Density is defined as the mass contained per unit volume.

Given : Density of cresol = 1024 g/L
Volume of cresol = 405 ml = 0.405 L ( 1L=1000ml)
Putting in the values we get:


Thus mass of 405 ml of cresol is 415 grams
Endothermic reactions. These are reactionsthat take in energy from the surroundings. The energy is usually transferred as heat energy, causing the reaction mixture and its surroundings to get colder
B is gas
The chemical element krypton is classed as a noble gas and a nonmetal.
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Answer: A. Refrigerator technology has helped improve people’s nutrition.
Explanation: