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Artemon [7]
3 years ago
6

What happens to the density of the air in the balloon as it is heated?

Chemistry
1 answer:
dexar [7]3 years ago
7 0
Hope it helped you.

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1. Multiple Choice
solong [7]

Answer:

#1 A

#2 B

#3 C

#4 c

Explanation:

#1 can give reference to a mountain the higher the altitude the colder it will get

#2 talking about climate not seasons per say. focus on climate answers

#3 wind carry moisture from the sea on to land which cause precipitation

#4 Monsoons is correct

5 0
3 years ago
How would you seprate a mixture of sand and salt?
lys-0071 [83]
First, you mix the salt and sand with water, so the salt dissolves. Next, you filter the sand out, so you have the slat water and sand separated. Then, you evaporate the water, leaving the salt behind.
3 0
3 years ago
Read 2 more answers
H2, N2, O2 molecules. . . A)must be polar. must be nonpolar. . B)can be polar or nonpolar depending on geometric . C)configurati
LenKa [72]

Answer: The correct option is A.

Explanation: The given molecules are the molecules of same element.

These molecules are considered as diatomic species.

Polar molecules are the molecules in which some polarity is present in the bond. These molecules are formed when there is some difference in the electronegativities of the elements. Example: HCl

Non-polar molecules are the molecules where no polarity is present in the bond. These molecules are formed when there is no difference in the electronegativities of the elements. Example: H_2, O_2

The given molecules are non-polar in nature.

Hence, these molecules must be non-polar. So, the correct option is A.

6 0
3 years ago
Read 2 more answers
When heat is supplied to a solid, the molecules vibrate but do not leave their positions. Why is this behavior observed?
My name is Ann [436]

Molecules do not have enough kinetic energy to overcome the intermolecular bonds.


7 0
3 years ago
What is the mass of 6.02 × 1023 molecules of Fe2O3?
LenKa [72]

Answer: 160 g Fe2O3

Explanation: solution attached.

First convert molecules to moles using Avogadro's number then convert to mass using the relationship between moles and molar mass of Fe2O3

4 0
3 years ago
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