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Alex
3 years ago
10

What about a sponge? it is a solid yet we are able to compress it. why?

Chemistry
2 answers:
madam [21]3 years ago
8 0

Answer:

Sponge is a solid yet we able to compress it because it has holes in it.

When we compress the sponge the air goes out of those pores. When we leave the sponge, it remains as a solid.

Explanation:

Your welcome : )

erastova [34]3 years ago
6 0

Answer:

ponge is a solid yet we able to compress it because it has holes in it. When we compress the sponge the air goes out of those pores.

Explanation:

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Calculate the volume which 1.00 mole of a gas occupies at 1 atm and 298K?
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Answer:

25.45 Liters

Explanation:

Using Ideal Gas Law PV = nRT => V = nRT/P

V = (1mole)(0.08206Latm/molK)(298K)/(1atm) = 25.45 Liters

7 0
2 years ago
Which one of the following is a correct representation of an alpha particle?
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Answer:

₂He⁴  

Explanation:

Alpha radiations are emitted as a result of radioactive decay. The atom emit the alpha particles consist of two proton and two neutrons. Which is also called helium nuclei. When atom undergoes the alpha emission the original atom convert into the atom having mass number less than 4  and atomic number less than 2 as compared to parent atom the starting atom.

Properties of alpha radiation:

Alpha radiations can travel in a short distance.

These radiations can not penetrate into the skin or clothes.

These radiations can be harmful for the human if these are inhaled.

These radiations can be stopped by a piece of paper.

₉₂U²³⁸   →   ₉₀Th²³⁴  + ₂He⁴  + energy

6 0
3 years ago
What volume of 0.128 M HCl is needed to neutralize 2.87 G of Mg(OH)2?
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4 0
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What is the partial pressure of a gas mixture in a mixture of gases?
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Read 2 more answers
Las Vegas, Nevada is in a desert. How does its rapid population growth affect the
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Answer:

Many areas of the United States experience explosive population growth. <u>The more people that reside someplace, the more demand there is for water there.</u> Often these urban-growth <u>expansions are unplanned and place extraordinary stress on the water supply system, mainly on the groundwater.</u> <u>The stress often depletes groundwater supply, thereby causing wells to dry up.</u> Then water must be brought from somewhere else to support the local population.

Such situations have occurred all over the United States. For example, increased population growth in the southwestern United States has significantly lowered the water table 50 to 200 feet (depending on the area) since the 1940s. Managing urban growth, efforts to reduce water demand, conservation of the resource, and attempts to increase the water supply all address the problem of exceeding water resource limits.

<u>Human activities affect groundwater quality.</u>

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<u>Agriculture</u>—Reduce usage of pesticides and fertilizers.

<u>Landfills</u>—Monitor for leakage and repair linings.

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<u>Household wastes</u>—Properly dispose of household hazardous waste.

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Explanation:

This came from the K12 learning course read this and the answer will be there. I underlined the important parts for the answer.

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