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Goshia [24]
3 years ago
8

. Photosynthesis and cellular respiration are two processes that help drive Earth's carbon cycle. Which f the following statemen

ts best describes one of these processes? Photosynthesis depends on the presence of carbon dioxide. b. Photosynthesis releases water as an end product. Respiration releases oxygen that is utilized by animals. d. Respiration depends on the presence of water in the atmosphere. C. 135 words 8:53 AM 12/1/2020 W​
Chemistry
2 answers:
Alexxandr [17]3 years ago
6 0

Answer:

Explanation:

a

Debora [2.8K]3 years ago
6 0

Answer: photosynthesis releases water as an end product

Explanation:

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you have a solution of water and salt. if the total solution weighs 50 grams and the salt weighs 4 grams. what is the percent co
Natali5045456 [20]

Answer:

92%

Explanation:

I believe. Hope this was helpful.

8 0
3 years ago
__________ could be the formula of an alkene. a. c3h8 b. c2h8 c. c6h6 d. c3h6 e. c17h36
drek231 [11]

The general formula for alkenes is CnH2n, the formula with hydrogen count double the carbon count should be the correct formula for alkene and that is d. C3H6.

What are alkenes?

Alkenes, commonly known as olefins, are organic unsaturated hydrocarbons that have one or more carbon-carbon double bonds in their chemical structure and are composed of carbon and hydrogen atoms.

Alkenes are unsaturated hydrocarbons with a double bond between the carbon atoms. Carbon atoms are connected by at least one double bond. The general formula for alkenes is C n H 2n. Olefin is frequently substituted with alkenes. The word "olefin" comes from the Greek phrase "olefin gas," which denotes the production of oil.

<u>Since, their general formula is CnH2n, the formula with hydrogen count double the carbon count should be the correct formula for alkene and that is d. C3H6.</u>

To learn more about alkenes from the given link below,

brainly.com/question/27179090

#SPJ4

6 0
1 year ago
What is the molality of sodium chloride in solution that is 13.0% by mass sodium chloride and that has a density of 1.10 g/ml?
8090 [49]
Answer is: molality od sodium chloride is 2,55 mol/kg.
V(solution) = 100 ml.
m(solution) = d(solution) · V(solution).
m(solution) = 1,10 g/ml · 100 ml.
m(solution) = 110 g.
ω(NaCl) = 13,0% = 0,13.
m(NaCl) = ω(NaCl) · m(solution).
m(NaCl) = 0,13 · 110 g.
m(NaCl) = 14,3 g.
n(NaCl) = m(NaCl) ÷ M(NaCl).
n(NaCl) = 14,3 g ÷ 58,5 g/mol.
n(NaCl) = 0,244 mol.
m(H₂O) = 110 g - 14,3 g.
m(H₂O) = 95,7 g = 0,0957 kg.
b(NaCl) = n(NaCl) ÷ m(H₂O).
b(NaCl) = 0,244 mol ÷ 0,0957 kg.
b(NaCl) = 2,55 mol/kg.
3 0
3 years ago
Which of the following would remain a liquid longer as temperature continues to drop?
viktelen [127]

I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.

3 0
3 years ago
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Two glucose molecules can combine to form a disaccharide molecule and what molecule
elena-14-01-66 [18.8K]
And a water molecule, this is called a dehydration synthesis. when 2 molecule combine, a water molecule leave.
5 0
3 years ago
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