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exis [7]
2 years ago
15

How many grams are in 0.5 moles of CO2?

Chemistry
1 answer:
pentagon [3]2 years ago
4 0

Answer:

0.5 mole CO2=0. 5×44=22 gm.

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an oxygen tank used for scuba diving has. avolume of 12.0 L .If the pressure of the tank is known to be 204.047 atm and the temp
Lapatulllka [165]

Answer: 101 moles of oxygen are contained in the tank

Explanation:

According to ideal gas equation:

PV=nRT

P = pressure of gas = 204.047  atm

V = Volume of gas = 12.0 L

n = number of moles  = ?

R = gas constant =0.0821Latm/Kmol

T =temperature =22.0^0C=(22.0+273)K=295K

n=\frac{PV}{RT}

n=\frac{204.047atm\times 12.0L}{0.0821 L atm/K mol\times 295K}=101moles

Thus 101 moles of oxygen are contained in the tank

5 0
3 years ago
An abandoned Indiana coal mine spoil bank (wastes) contains chunks of pyrite minerals. Under constant erosion and weathering, th
Minchanka [31]

Answer:

The acid will be neutralized overtime

Explanation:

The presence of the pyrites leads to the leaching of large amounts of sulphuric acid, however the basic carbonates neutralizes the acid according to the reaction equation;

CaCO3 + H2SO4 ---> CaSO4 + CO2 + H2O.

This will prevent all the deleterious consequences associated with the leaching of the acid in the abandoned coal mine.

7 0
3 years ago
Pairs
BabaBlast [244]

Atoms are made up of protons, neutrons, and electrons.

Energy can be neither created nor destroyed.

Water freezes at 0°C

If  a piece of platinum is placed in acid, it will not react.

<h3>What are the correct pairing of the given terms?</h3>

The correct pairing of the given terms are obtained from the given options as follows:

Atoms of elements contains three sub-atomic particles which are protons, neutrons, and electrons.

Energy is the ability to do work.

According to the law of conservation of energy, Energy can be neither created nor destroyed.

Water is a liquid which freezes at 0°C.

Therefore, Water freezes at 0°C.

Platinum is a metal which is less reactive than hydrogen, Hence, it cannot displace hydrogen from acids.

Hence, if a piece of platinum is placed in acid, it will not react.

In conclusion, the correct pairing gives the correct description of the properties of the given terms.

Learn more about atoms at: brainly.com/question/17545314

#SPJ1

3 0
1 year ago
Aluminum fluoride contains only aluminum and fluorine. what is the formula for this compound?
attashe74 [19]
AlF3 would be the answer
3 0
3 years ago
Read 2 more answers
_2. The temperature of a 100. mL sample of gas is increased while the volume it occupies decreases. The
yaroslaw [1]

Answer

the answer is b bro

Explanation:

i did my research and got it right

5 0
3 years ago
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