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Brrunno [24]
3 years ago
13

Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is _____ during the Calvin c

ycle. View Available Hint(s) Photosynthesis is a redox reaction. This means that H2O is _____ during the light reactions and CO2 is _____ during the Calvin cycle. consumed...consumed oxidized...reduced consumed...reduced reduced...oxidized reduced...reduced
Chemistry
1 answer:
DIA [1.3K]3 years ago
5 0

Answer:

A. consumed; consumed

Explanation:

Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

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A gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder? 4.01 × 1022 molec
kolezko [41]
Moles are used conveniently in chemistry especially in stoichiometric calculations involving reactions. The unit of mole is a collective term that holds 6.022×10^23 particles. These particles is a general term for any small units of matter including molecules, atoms and sub-particles. This ratio of 6.022×10^23 particles to 1 mole is known to be the Avogadro's number. Its exact number is actually <span>6.0221409</span>×10^23. We use this constant in our stoichiometric calculation as follows:

15 moles oxygen * (6.022×10^23 molecules/ 1 mole oxygen) = 9.033×10^24 molecules of oxygen
5 0
3 years ago
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The scientific method is the way scientists solve problems. Scientists begin to solve a problem by making _____.
swat32

Answer:

Explanation: observations

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3 years ago
What is a material which cannot be broken down or changed into another substance using chemical matters?
Alika [10]
Elements cannot be broken down in this fashion.  

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3 years ago
Fill the three 3d subshells with the specified number of electrons.
lana66690 [7]

1. 5 electrons.

3d^{5}

  • Therefore, the 3d subshells blanks will be like this:
  • ↑ ↑ ↑ ↑ ↑

2. 6 electrons.

3d^{6}

  • The 3d subshells blanks will be:
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3. 7 electrons.

3d^{7}

  • The 3d subshells blanks will be:
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Hope you could understand.

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8 0
2 years ago
Andi performs the calculation that is shown below.
rodikova [14]

Answer: 3.59

Explanation:

(2.06)(1.743)(1.00)

2.06 × 1.743 × 1.00

= 3.59058

Two of the multiplied digits are represented in 3 significant figures. Therefore, for correct representation, the result of the product should be written to three significant figures.

3.59058 to 3 significant figures:

First three digits = 3.59

Fourth digit '0' is less than 5, and thus rounded to 0 with other succeeding digits

Therefore, (2.06)(1.743)(1.00) to 3 significant figures equals :

3.59

3 0
3 years ago
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