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maksim [4K]
3 years ago
9

Which side of the mountain faces

Chemistry
1 answer:
Troyanec [42]3 years ago
4 0
C. The Wind Ward Side
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Green plants use light from the sun to drive photosynthesis. photosynthesis is a chemical reaction in which water and carbon dio
Korolek [52]

<span>The equation that represents the process of photosynthesis is: </span>

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<span>6CO2+12H2O+light->C6H12O6+6O2+6H2O</span>

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<span>Photosynthesis is the process in plants to make their food. This involves the use carbon dioxide to react with water and make sugar or glucose as the main product and oxygen as a by-product. Since we are not given the mass of CO2 in this problem, we assume that we have 1 g of CO2 available. We calculate as follows:</span>

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<span>1 g CO2 ( 1 mol CO2 / 44.01 g CO2 ) ( 12 mol H2O / 6 mol CO2 ) ( 18.02 g / 1 mol ) = 0.82 g of H2O is needed</span>

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However, if the amount given of CO2 is not one gram, then you can simply change the starting value in the calculation and solve for the mass of water needed.

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7 0
3 years ago
hich metal will displace nickel in a compound? A. Arsenic B. Tin C. Zinc D. Platinum
Bess [88]
Hello there,

The answer to your question is:

C. Zinc

Hope this answer helps you.
7 0
3 years ago
Convert 25 gigaseconds into centiseconds​
dangina [55]

25 gigaseconds is equal to 2,500,000,000,000 centiseconds

6 0
3 years ago
The rate constant for a certain reaction is measured at two different temperatures:
Talja [164]

Answer: The activation energy Ea for this reaction is 22689.8 J/mol

Explanation:

According to Arrhenius equation with change in temperature, the formula is as follows.

ln \frac{k_{2}}{k_{1}} = \frac{-E_{a}}{R}[\frac{1}{T_{2}} - \frac{1}{T_{1}}]

k_1 = rate constant at temperature T_1 = 2.3\times 10^8

k_2 = rate constant at temperature T_2 = 4.8\times 10^8

E_a= activation energy = ?

R= gas constant = 8.314 J/kmol

T_1 = temperature = 280.0^0C=(273+280)=553K

T_2 = temperature = 376.0^0C=(273+376)=649K

Putting in the values ::

ln \frac{4.8\times 10^8}{2.3\times 10^8} = \frac{-E_{a}}{8.314}[\frac{1}{649} - \frac{1}{553}]

E_a=22689.8J/mol

The activation energy Ea for this reaction is 22689.8 J/mol

3 0
3 years ago
AUG, the codon that codes for the amino acid methionine is also called a ____ codon (answer choices 1.start 2.Stop 3.Go 4.beginn
Katarina [22]
<h2>Answer:  START (2)</h2>

Explanation:

AUG is a <u>START</u> codon.  (2)

A start codon is the first codon translated by a ribosome. It usually produces an amino acid that initiates the producyion of a polypeptide chain.

5 0
3 years ago
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