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zavuch27 [327]
3 years ago
3

Water molecules move farther apart when water freezes, causing it to expand. Which of the following is a consequence of this pro

perty?
Chemistry
2 answers:
puteri [66]3 years ago
7 0
<span> The water in lakes and ponds freezes from the top down.</span>
STatiana [176]3 years ago
3 0

Answer: The molecules of water move farther apart when they freeze as the atoms in the crystal lattice becomes far away and that decreases the volume of the water in the form of ice.

Explanation: This property allows the organism to stay in the the lakes in the lower areas.

The ice is lighter and stays on the top so that the organism can stay inside the water at optimum temperature.

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At 23°C, 85.0 grams of NaNO3(s) are dissolved in 100. grams of H2O(l).
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5g

Anything between 4 and 6 is ok.

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3 years ago
You are pushing a box with 20 N of force that has<br> a mass of 10 kg, solve for acceleration
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Answer:

Force=mass ×acceleration.

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4 0
4 years ago
What type of elements form metallic bonds?​
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3 years ago
Convert 0.237 μL to ml
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0.000237mL

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4 0
4 years ago
How many molecules are there in 31.8 moles of water?
Murljashka [212]

Answer:

31.8\ moles = 1.91 * 10^{25}\ molecules

Explanation:

Given

31.8 moles of water

Required

Determine the number of molecule

In standard units: 1 molecule of water is:

1\ mole = 6.022 * 10^{23}\ molecules

Multiply both sides by 31.8

31.8 * 1\ mole = 31.8 *  6.022 * 10^{23}\ molecules

31.8\ moles = 31.8 *  6.022 * 10^{23}\ molecules

31.8\ moles = 191.4996 * 10^{23}\ molecules

Express 191.4996 as a standard form

31.8\ moles = 1.914996 * 10^2 * 10^{23}\ molecules

Apply law of indices:

31.8\ moles = 1.914996 * 10^{2+23}\ molecules

31.8\ moles = 1.914996 * 10^{25}\ molecules

Approximate:

31.8\ moles = 1.91 * 10^{25}\ molecules

6 0
3 years ago
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