3 years ago

Under which conditions will sugar most likely dissolve fastest in a cup of water?

1 answer:

3 0

If the cup of water contained hot water. Sugar will dissolve a lot slower if it was in room temperature and even slower if it was in cold water.

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Evaluate ( a=2 b=3)...3a - 2b =

skad [1K]

Hey!

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Steps To Solve:

~Substitute

3(2) - 2(3)

~Subtract

6 - 6

~Simplify

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Answer:

$\Large\boxed{\mathsf{0}}$

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Hope This Helped! Good Luck!

4 0

3 years ago

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A word equation is commonly used for describing a:

Kipish [7]

the answer is B because I jus did that

6 0

3 years ago

Hydrogen gas is collected over water in an inverted buret. If the atmospheric pressure is 745 mm Hg, the vapor pressure of water

Varvara68 [4.7K]

Answer:

$P_{H_2}=727mmHg$

Explanation:

Hello there!

In this case, according to the given data, it is possible to infer that the gas mixture lies on the 15.0 cm-high column of water, so that the total pressure or atmospheric pressure is given by:

$P_{atm}=P_{water}+P_{H_2}$

Thus, since the atmospheric pressure is 745 mmHg and the vapor pressure of water is 18 mmHg, the pressure of hydrogen turns out to be:

$P_{H_2}=P_{atm}-P_{water}\\\\P_{H_2}=745mmHg-18mmHg\\\\P_{H_2}=727mmHg$

Best regards!

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3 years ago

The first four ionization energies for an imaginary element, Xz, are E1 = 102 kcal, E2 = 186 kcal, E3 = 4021 kcal, and E4 = 4862

Anni [7]

Hi :) If your answers choices are what I'm thinking, the answer is two :)

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0.5 kg or 0.5 lb which is a larger quantity

masha68 [24]

The correct answer is 0.5 kg If you whant me to explaine pls tell me

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