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Crank
3 years ago
11

A substance that is made up of a single kinf of atom is called

Chemistry
2 answers:
Kitty [74]3 years ago
7 0
A chemical element is a substance that is made up of only one kind atom.
stellarik [79]3 years ago
7 0
An element is made up of single types of atoms.
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A gas has a volume of 3.25 liters at 54 C and 231 kPa of pressure. At what temperature will the same gas take up 4.35 liters of
Firdavs [7]

Answer: 318 K

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 231 kPa

P_2 = final pressure of gas = 168 kPa

V_1 = initial volume of gas = 3.25 L

V_2 = final volume of gas = 4.35 L

T_1 = initial temperature of gas = 54^oC=273+54=327K

T_2 = final temperature of gas = ?

Now put all the given values in the above equation, we get:

\frac{231\times 3.25}{327}=\frac{168\times 4.35}{T_2}

T_2=318K

At 318 K of temperature will the same gas take up 4.35 liters of space and have a pressure of 168 kPa

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3 years ago
1. What is the relation between distance and speed?
Inga [223]

Answer:

option no b is right answer

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2 years ago
If scientists want to determine if a skin cream is effective against fighting acne, what would be the independent variable?
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Answer:skin cream

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the independent variable is the variable that is always changed or manipulated. in this case the skin cream is the independent variable.

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How are energy storage molecules affected if there is LESS carbon dioxide?
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When there is less carbon (in the form of carbon dioxide) in abiotic matter, less carbon is available for producers making energy storage molecules. When there is more sunlight, producers can make more energy storage molecules from the carbon in carbon dioxide.

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