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Julli [10]
3 years ago
9

What happens to the rate of reaction when you decrease the temperature of a chemical reaction?

Chemistry
2 answers:
Neporo4naja [7]3 years ago
4 0
Depending on what chemicals you use it slows the reaction
Wittaler [7]3 years ago
3 0
Usually it slows the reaction down. This is because of a Kinetic Molecular Theory, which is the idea that molecules need to collide to react. Increasing temperature means they are more likely to collide in a shorter amount of time.
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Draw the best lewis structure for h 2 ​ co 3 ​ and calculate the formal charge on carbon.
schepotkina [342]
The Lewis structure of Carbonic Acid (H₂CO₃) is given below. In structure it is shown that carbon has a double bond with one oxygen atom and two single bonds with hydroxyl groups.

Formal Charge;
                        Formal charge is caculated as,

Formal charge  =  # of valence e⁻ - [# of lone pair of e⁻ + 1/2 # of bonded e⁻]

Formal charge on Carbon;

Formal charge  =  4 - [ 0 + 8/2]

Formal charge  =  4 - [4]

Formal charge  =  Zero

7 0
3 years ago
Which TWO statements describe the ocean floor giving brainliest plz help and explain
Vedmedyk [2.9K]

Answer:

A.There are many active undersea volcanoes

B.There are long underwater mountain chains

8 0
3 years ago
Choose all the answers that apply. Which of the following is true about the sun's radiation?
yawa3891 [41]
B. It is shortwave.....
7 0
3 years ago
Read 2 more answers
. Monthly measurements of atmospheric CO2 concentration at Mauna Loa began in March 1958. The average CO2 concentration for that
Harrizon [31]

Answer:

Increase=98.8ppm

Average\ increase/year=1.594\frac{ppm}{year}

Explanation:

Hello,

In this case, since the nowadays concentration of CO2 is 414.51 ppm and the concentration in 1958 was 315.71 ppm, the total increase is computed via the difference between them:

Increase=414.51ppm-315.71ppm\\\\Increase=98.8ppm

Moreover, the average increase per year is computed considering that from 1958 to 2020, 62 years have passed, therefore, such average is:

Average\ increase/year=\frac{98.8ppm}{62 years} \\\\Average\ increase/year=1.594\frac{ppm}{year}

Regards.

4 0
3 years ago
How many moles of carbon dioxide, CO2, are produced when 4.50 moles of propane, C3H8, react?
Amiraneli [1.4K]

Moles of Carbon dioxide : 13.5

<h3>Further explanation</h3>

Given

4.5 moles propane

Required

moles of Carbon dioxide

Solution

Reaction(Combustion of Propane) :

<em>C₃H₈(g)+5O₂(g)→3CO₂(g)+4H₂O(g)</em>

In a chemical equation, the reaction coefficient shows the mole ratio of the reacting compounds (either in reactants or products)

From the equation, mol ratio of Propane(C₃H₈) : Carbon dioxide(CO₂) : 1 : 3, so mol CO₂ :

= 3/1 x mol Propane

= 3 x 4.5 moles

= 13.5 moles

5 0
3 years ago
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