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babunello [35]
3 years ago
7

Why can more sugar be dissolved in hot water than cold water (more solute be dissolved in hot solvent then cold solvent)

Chemistry
1 answer:
lesantik [10]3 years ago
4 0
Sugar dissolves faster in hot water than it does in cold water because hot water has more energy than cold water. when water is heated, the molecules gain energy and because of that, move faster. as they move faster, they come in contact with the sugar more often, causing it to dissolve faster.
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What two things must all matter have?
OleMash [197]

1.) Mass

2.) Can occupy space (Volume)

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3 years ago
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Scientists changed the genes of a tomato plant in order to produce a protein which is a natural pesticide. Why would this be cla
soldi70 [24.7K]

Answer:

The plant would be insect-resistant and improve its chances of success.

Explanation:

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3 years ago
What volume (in L) will a 32 g sample of butane gas, C4H10(g), occupy at a temperature of 45.0 oC and a pressure of 728 mm Hg?
larisa86 [58]

Answer:

15.0 L

Explanation:

To find the volume, you need to use the Ideal Gas Law:

PV = nRT

In this equation,

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-----> V = volume (L)

-----> n = moles

-----> R = Ideal Gas constant (62.36 L*mmHg/mol*K)

-----> T = temperature (K)

To calculate the volume, you need to (1) convert grams C₄H₁₀ to moles (via the molar mass), then (2) convert the temperature from Celsius to Kelvin, and then (3) calculate the volume (via the Ideal Gas Law).

Molar Mass (C₄H₁₀): 4(12.011 g/mol) + 10(1.008 g/mol)

Molar Mass (C₄H₁₀): 58.124 g/mol

32 grams C₄H₁₀              1 moles
-------------------------  x  -----------------------  = 0.551 moles C₄H₁₀
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n = 0.551 moles

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(728 mmHg)V = 10922.7632

V = 15.0 L

6 0
1 year ago
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Answer:

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Explanation:

7 0
3 years ago
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QUICK HELP PLEASE!!?? Need answer QUICK
d1i1m1o1n [39]

Answer:

B

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3 years ago
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