Two substances, both solids, start at the same temperature. You transfer the same amount of energy

1 answer:

4 0

Substance 2. It did not change states because more energy difference was needed to change that solid into a liquid (more energy) or a gas (even more energy). Hope that helps!!

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The consumption of oxygen by the kidney

Svetlanka [38]

Answer: Option B.

Is regulated by erythropoiten.

Explanation:

Erythropoietin is an hormone produced by the kidney in order to promote the formation of red blood cells by the bone marrow. Since the red blood cells carries oxygen to parts of the body, this help in oxygen consumption of the kidney. Oxygen consumption by the kidney is regulated by erythropoietin

8 0

4 years ago

Drug medications are often prescribed on the basis of body mass. the adult dosages of elixophylin, a drug used to treat astma, i

kifflom [539]

Given: Drug medications are often prescribed on the basis of body mass. the adult dosages of elixophylin, a drug used to treat asthma, is 6mg/kg of body mass.

To find: The dosage amount for a person weighing 160 lb.

Method: Unitary method of proportions

Solution:

First we'll convert the weight of person from imperial unit to metric unit.

1 pound = 0.45 kilograms

160 pounds = 0.45 x 160 = 72 kg

∴ The weight of person in kilograms is 72 kg.

Now, a elixophylin dosage of 6 mg is administered to 1 kg body mass.

For 72 kg body mass, dosage will be,

$\frac{6 \times 72}{1}$ = 432 mg