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Viefleur [7K]
3 years ago
13

Which liquid, water or alcohol, has stronger intermolecular forces? Explain

Chemistry
1 answer:
blagie [28]3 years ago
4 0

Answer:

Water

Explanation:

Water had the strongest intermolecular forces and evaporated most slowly. ... Water evaporates most slowly because its molecules are attracted to one another by hydrogen bonding.

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How many grams of cobalt (II) nitrate, Co(NO3)2, are required to make a 2.20%(w/v) aqueous solution in a 250 mL volumetric flask
shutvik [7]

Answer:

\large \boxed{\text{5.50 g}}

Explanation:

Percent means " per hundred," so % m/V means the grams of something in 100 mL of  volume.

\text{m/V \%} = \dfrac{\text{mass of solute} }{\text{volume of solution}} \times 100 \, \%

Data:

         m/V % = 2.20 %

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Calculations:

\text{2.20 \%} = \dfrac{\text{mass of solute} }{\text{250 mL}} \times 100 \, \%\\\\\text{Mass of solute} = \dfrac{2.20\, \% \times \text{250 mL}}{100 \%} = \text{5.50 g}\\\\\text{The mass of Co(NO$_{3}$)$_{2}$ is $\large \boxed{\textbf{5.50 g}}$}

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3 years ago
Put 27,520 in scientific notation
Pani-rosa [81]

Hello, There!

Question↓

put 27,520 in scientific notation

Answer↓

2.752 × 10 to the 4th power Is the Correct Answer!

xXxAnimexXx

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3 years ago
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When an object floats in water, it displaces a volume of water that has a weight equal to the weight of the object. If a ship ha
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The amount of seawater that will be displaced would be 1.3274 x 10^5  ft^3

<h3>Density and volume</h3>

Density = mass/volume.

Since a floating object displaces its own weight, a 4247 tons ship will also displace the same amount of water.

4247 tons of seawater = 3.8528 x 10^9 g

volume of 3.8528 x 10^9 g seawater = mass/density = 3.8528 x 10^9 g/1.025 = 3758829268.29 cubic centimeter.

3758829268.29 cm^3 = 132741.80 ft^3 or 1.3274 x 10^5  ft^3

More on density can be found here: brainly.com/question/15164682

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Answer:

the blue paper, 10.9

Explanation:

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What are compounds????????????????
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Compounds are pure substance consisting of two or more different atoms

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