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FromTheMoon [43]
3 years ago
13

Which item is denser than liquid water?

Chemistry
1 answer:
madreJ [45]3 years ago
7 0
B metal is denser, wood will float and so will paper and plastic
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Filtration, or screening, is one way to separate certain mixtures, as shown in the image. Which of these mixtures could be most
erastovalidia [21]

Answer: D

Explanation:

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3 years ago
Which is a substance that could be found in air, water, or soil that is harmful to humans or animals? carbon dioxide fossil fuel
quester [9]
Hi!

The substance that could be found in air, water or soil that is harmful to humans or animals is called pollutant.

Pollutants are the only harmful substances that can be found in these three places. Carbon Dioxide (CO₂) is commonly found in the air, fossil fuels are found in soil and water and smog is found in the air. Only pollutant can be found in these three places as there are varied in its chemical structure. Common pollutants include Sulfur Dioxide (SO₂) which can be found in the air, and Lead, which can be found in water or soil.

Have a nice day!
4 0
3 years ago
Part 1. Determine the molar mass of a 0.622-gram sample of gas having a volume of 2.4 L at 287 K and 0.850 atm. Show your work.
zaharov [31]

If a sample of gas is a 0.622-gram, volume of 2.4 L at 287 K and 0.850 atm. Then the molar mass of the gas is 7.18 g/mol

<h3>What is an ideal gas equation?</h3>

The ideal gas law (PV = nRT) relates to the macroscopic properties of ideal gases.

An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).

Given :

  • V = 2.4 L = 0.0024
  • P = 86126.25 Pa
  • T =  287 K
  • m = 0.622
  • R = 8.314

The ideal gas equation is given below.

n = PV/RT

n = 86126.25 x 0.0024 / 8.314 x 287

n = 0.622 / molar mass (n = Avogardos number)

Molar mass =  7.18 g

Hence, the molar mass of a 0.622-gram sample of gas having a volume of 2.4 L at 287 K and 0.850 atm is 7.18 g

More about the ideal gas equation link is given below.

brainly.com/question/4147359

#SPJ1

4 0
1 year ago
Which statement best describes a physical property?
ArbitrLikvidat [17]
The first I believe
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3 years ago
Choose the incorrect statement from the following:
Oksana_A [137]

Answer:

d

Explanation:

Generally, it is transported through pipes so I think statement d is incorrect.

4 0
2 years ago
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