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julsineya [31]
4 years ago
9

Answer:

Chemistry
2 answers:
scoray [572]4 years ago
6 0

Answer:

b. 2 g/mL

Explanation:

Density=mass/volume.

so: D=10g/5mL

Density=2g/mL

Leni [432]4 years ago
4 0

Answer:

The correct answer is option b.

Explanation:

To calculate density of a substance, we use the equation:

\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}

We are given:

Mass of an object = 10 g

Volume of an object  = 5 mL

Density of an object = d

Putting values in above equation, we get:

d=\frac{10 g}{5 mL}=2 g/mL

2 g/mL is the density of an object that has a mass of 10 g and a volume of 5 mL.

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2.714 mole of helium has a mass of ______ grams.<br><br> (Enter just the number for this one.)
kifflom [539]

Hello!

To find the mass of helium, we need to multiply the total moles by the mass of helium. We are given 2.714 moles of helium, and the mass of helium is about 4.00 grams. Now, we multiply the two values together to get the grams.

2.714 moles x 4.00 grams = 10.856 grams

According to the number of significant figures, 2.714 moles of helium has a mass of 10.9 grams (exact value: 10.856 grams).

6 0
3 years ago
Special shapes in crystals show a pattern called a what
V125BC [204]

Answer:zigga

Explanation:

6 0
4 years ago
39. Period is the force of attraction between objects resulting in objects pulling towards each
storchak [24]

Answer:

True

Explanation:

if there was nothing to avoid of objects pulling towards one another many results may happen

8 0
3 years ago
A sample of ice is heated continuously until it becomes a liquid, and then a gas. Its temperature is recorded throughout and a g
padilas [110]

Answer:

The answer to your question is: C. The specific latent heat of fusion

Explanation:

A. The specific latent heat of vaporization  Specific latent heat of vaporization indicates the transition from liquid to vapor, but we are not looking for this definition. This answer is wrong.

B. The specific heat indicates the amount of heat needed to increase the temperature of water 1°C, so this answer is wrong.

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D. The internal energy measures the energy of the molecules of a substance, so this answer is wrong.

3 0
3 years ago
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Answer:

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Explanation: Message me if you need a thorough explanation

7 0
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