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Vesnalui [34]
3 years ago
11

Which is more dense? A foam ball or a bowling ball?

Chemistry
1 answer:
STatiana [176]3 years ago
6 0
A bowling ball.
definition of dense-closely compacted in substance
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Two atoms that have the same atomic numbers but different atomic mass numbers are called
Ivenika [448]
The are called isotops
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4 years ago
Find examples for each polysaccharides type.​
Tanzania [10]

Answer:

Glycogen: It is made up of a large chain of molecules. ...

Cellulose: The cell wall of the plants is made up of cellulose. ...

Starch: It is formed by the condensation of amylose and amylopectin. ...

Insulin: It is made up of a number of fructofuranose molecules linked together in chains.

Explanation:

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How does changing the temperature affect the chemical reaction?
Rufina [12.5K]

Answer:

C

Explanation:

Temperature is directly related to kinetic energy (KE). As we raise temperature, we are raising KE, as well. Particles with more KE move more quickly and with more force.

This means that these particles are more likely to collide with each other and react to allow the chemical reaction to follow through. In turn, if the chemical reaction is more likely to go to completion, the reaction rate increases, eliminating A and B.

The concentration of the solute is not affected by the temperature; in other words, temperature will not increase or decrease the amount of solute in the solution, so eliminate D.

Thus the answer is C.

Hope this helps!

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4 years ago
What are the best note taking styles for high school?
photoshop1234 [79]

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cornell noted

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5 0
3 years ago
Read 2 more answers
A balloon filled with helium has a volume of 6.3 L. What is the mass, in grams, of helium in the balloon?
nikklg [1K]

Answer:

The mass of helium in the balloon is 1.125 grams

Explanation:

Step 1: Data given

Volume of helium = 6.3 L

Molar mass of helium = 4.0 g/mol

Step 2: Calculate moles helium

1 mol gas = 22.4 L

6.3 L = 0.28125 moles

Step 3: Calculate mass of helium

Mass = moles helium * molar mass helium

Mass = 0.28125 * 4.0 g/mol

Mass = 1.125 grams

The mass of helium in the balloon is 1.125 grams

7 0
3 years ago
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