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Delicious77 [7]
3 years ago
10

If a room requires 25.4 square yards of carpeting, what is the area of the floor in units of ft2? (3 ft = 1 yd)

Chemistry
1 answer:
Gelneren [198K]3 years ago
4 0

Answer : The area of the floor in the unit of square feet is, 228.6 square feet

Explanation :

1 yard = 3 feet

Now squaring on both the side, we get

(1yard)^2=(3feet)^2

1 square yard = 9 square feet

As, 1 square yard = 9 square feet

As, 25.4 square yard = (9 × 25.4) = 228.6 square feet

Therefore, the area of the floor in the unit of square feet is, 228.6 square feet

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Answer:

The volume of water needed to recrystallize 0.700 g of benzoic acid is 10.29 mL.

Explanation:

For the complete recrystalization,

the amount of hot water should be such that, the benzoic acid is completely soluble in it.

As we are given that the solubility of benzoic acid in hot water is 68.0 g/L. Now we have to determine the volume of water is needed to recrystallize 0.700 g of benzoic acid.

we conclude that,

As, 68.0 grams of benzoic acid soluble in 1 L of water.

So, 0.700 grams of benzoic acid soluble in  of water.

The volume of water needed = 0.01029 L = 10.29 mL

conversion used : (1 L = 1000 mL)

Therefore, the volume of water needed to recrystallize 0.700 g of benzoic acid is 10.29 mL.

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