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matrenka [14]
3 years ago
9

A student builds a model of her bedroom. the scale is 1:25. in scale model, the students bed is 3 inches long

Chemistry
1 answer:
ad-work [718]3 years ago
8 0
The answer is C 75 inches
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What is the volume of 1.50 lb (pounds) of mercury? The density of mercury is 13.546 g/mL. Use the conversion that 1 kg = 2.20 lb
Arada [10]

Answer:

50.3mL of mercury are in 1.50lb

Explanation:

Punds are an unit of mass. To convert mass to volume we must use density (13.546g/mL). Now, As you can see, density is in grams but the mass of mercury is in pounds. That means we need first, to convert pounds to grams to use density and obtain volume of mercury.

<em>Mass mercury in grams:</em>

1.50lb * (1kg / 2.20lb) = 0.682kg = 682g of mercury.

<em>Volume of mercury:</em>

682g Mercury * (1mL / 13.546g) =

<h3>50.3mL of mercury are in 1.50lb</h3>
7 0
3 years ago
A chemist set up a synthesis of phosphorus trichloride by reacting 12.0 grams of phosphorus with 35.0 grams of Cl2. 42.4 grams o
babunello [35]

Answer:

sorry i do not know

Explanation:

i do not know the answer you are asking sorry i was never really good in maths anyway

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What is the hydridization of TeBr4
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It's sp3d according to the lewis dot structure (four bonds, one lone pair).
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A solution of rubbing alcohol is 78.5 % (v/v isopropanol in water. how many milliliters of isopropanol are in a 90.8 ml sample o
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What is the term for a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concent
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