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viva [34]
3 years ago
13

Which is a substance made up of only one kind of atom?

Chemistry
2 answers:
LUCKY_DIMON [66]3 years ago
8 0
The answer is cC. Because it contain only one atom
Ymorist [56]3 years ago
4 0

Answer:

c

Explanation:

element only contain one atom

Any substance that has more than one atom is known as compound

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The gaseous product of a reaction is collected in a 25.0L container at 27.0 C. The pressure in the container is 3.0atm and the g
NeX [460]

Answer: The molar mass of the gas is 31.6 g/mol

Explanation:

According to ideal gas equation:

PV=nRT

P = pressure of gas = 3.0 atm

V = Volume of gas = 25.0 L

n = number of moles  = ?

R = gas constant =0.0821Latm/Kmol

T =temperature =27.0^0C=(27.0+273)K=300K

n=\frac{PV}{RT}

n=\frac{3.0atm\times 25.0L}{0.0821 L atm/K mol\times 300K}=3.04moles

Moles =\frac{\text {given mass}}{\text {Molar mass}}

3.04=\frac{96.0g}{\text {Molar mass}}

{\text {Molar mass}}=31.6g/mol

The molar mass of the gas is 31.6 g/mol

4 0
3 years ago
Does changing the number of neutrons change the identity of the element you have built ?
worty [1.4K]

Answer:

If you change the number of neutrons somehow, nothing will happen because it carry's no charge at all.

Explanation:

4 0
3 years ago
What I need to know is what is the question talking about.
insens350 [35]
Can you type it out the picture is too blurry to read, sorry. 
4 0
3 years ago
How to do lewis dot structure of nh3conh3
wlad13 [49]

Answer:

i'm not really sure i cant help today try a different question that i can help u with

Explanation:

3 0
3 years ago
Homolysis, or homolytic bond dissociation, produces a very specific type of product under certain reaction conditions. In Part 1
vekshin1

Answer:

1) R₃CO , H, H₃C, a carbon free radical

2) high temperature, ultraviolet irradiation

Explanation:

1) Homolysis leads to the formation of free radicals (species having a free electron). Thus, answer is :

R₃CO

H

H₃C

a carbon free radical

2) Homolysis require high temperature, ultraviolet irradiation.

5 0
3 years ago
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