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Ostrovityanka [42]
3 years ago
7

An increasing population will create an increasing demand for fossil fuels. The burning of fossil fuels can

Chemistry
2 answers:
Inessa [10]3 years ago
6 0

Answer:

//

Explanation:

it's C = Sulphur Dioxide

algol [13]3 years ago
4 0
The answer is c Sulphur dioxide
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An unknown liquid has a vapor pressure of 88 mmhg at 45°c and 39 mmhg at 25°c. What is its heat of vaporization?
Elis [28]

The relation between vapour pressure , enthalpy of vapourisation and temperature is

ln(\frac{P1}{P2} ) = \frac{deltaH}{R} (\frac{1}{T2} - \frac{1}{T1})

ln (88/ 39) = DeltaH / 8.314 (1 / 318 - 1 / 298)

0.814 = DeltaH / 8.314 (2.11 X 10^-4 )

DeltaH = -32.07 kJ


6 0
4 years ago
As you increase the temperature of a solute it's solubility​
photoshop1234 [79]
There would be a direct result as an increase in the solute temperature will result in increase in its solubility. A greater amount of solute molecules will possess more kinetic energy and will be distributed and in container.
7 0
4 years ago
How is the precision of a calculated result related to the precision of the measurement used in the calculation?
sashaice [31]

The precision of a calculated answer is limited by the least precise measurements used in the calculation.

Hope this helps :)

7 0
3 years ago
Which of the following best describes a metathesis reaction?
densk [106]

Answer:

B

Explanation:

A metathesis reaction is a reaction in which cations and anions change partners.

A general equation for a metathesis is

AX+CY→AY+CX, where A and C are cations, and X and Y are anions.

There are three possible products of a metathesis reaction.

A. an insoluble (solid) precipitate

B. water (from neutralization reaction)

C. an insoluble gas that bubbles out of solution

Metathesis reactions are also called double replacement reactions and double displacement reactions.

4 0
3 years ago
This is when atoms of elements combine by sharing electrons or by the complete transfer of electrons from one atom to another.
Marat540 [252]
Well theres not a question but a covalent bond is when you share electrons.
7 0
3 years ago
Read 2 more answers
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