A normal range for specific gravity of urine is 1.003 to 1.030. A 10.0-mL sample

Question

A normal range for specific gravity of urine is 1.003 to 1.030. A 10.0-mL sample of urine has a mass of 10.31 g. What is the specific gravity of the urine? Is the urine considered normal? C. A slice of pizza contains 28 g of carbohydrate, 13 g of protein and fat. If the pizza contains 280 kcal, how many grams of fat are present? Show calculations. D. Convert 135 cm (cubic centimeters) to deciliters (dL). Show calculations Zero on a Celsius scale and zero on the Fahrenheit scale differ from each other by how many degrees?

Explanation / Answer

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B) Specific gravity of Urine = 10.31/10 = 1.031 g/mL

Since the specific gravity of urine sample doesn't lie in the normal rage, hence the urine sample will not be considered normal

C) 1g of carbohydrate contains 4Kcal calories

1g of protien contains 4 Kcal calories

1g of fat contains 9 Kcal calories

Let the mass of fat be f gms

13 * 4 + 28 * 4 + f * 9 = 280

9f = 116

f = 12.89 gms

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