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mojhsa
2 months ago
8

What percentage of solar radiation striking a plant is converted into chemical energy?

Chemistry
1 answer:
VMariaS [2.9K]2 months ago
3 0
1 percent of the solar radiation
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What are the materials made by chemists for use in washing clothes and cooking materials ​
Alekssandra [3086]

Response:water

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4 0
1 month ago
When 1.00 g of boron is burned in o2(g) to form b2o3(s), enough heat is generated to raise the temperature of 733 g of water fro
VMariaS [2998]
To tackle this problem, one must first determine the specific heat of water, which is the energy required to raise the temperature of 1 g of water by 1 degree C. The relationship is given by the formula q = c X m X delta T, where q indicates the specific heat of water, m signifies the mass, and delta T denotes the temperature change. The specific heat of water is 4.184 J/(g X degree C). The temperature of the water increased by 20 degrees, therefore: 4.184 x 713 x 20.0 = 59700 J, rounded to 3 significant digits, equals 59.7 kJ. This value indicates the energy required to produce B2O3 from 1 gram of boron. To convert this to kJ/mole, additional calculations are required. The gram atomic mass of Boron is 10.811, so dividing 1 gram of boron by 10.811 results in.0925 moles of boron. Given that 2 moles of boron are needed for the formation of 1 mole of B2O3, dividing the moles of boron by two yields.0925/2 =.0462 moles. Consequently, dividing the energy in KJ by the number of moles provides KJ/mole: 59.7/.0462 = 1290 KJ/mole.
7 0
2 months ago
If the standard free energy change for the conversion of fructopyranose to fructofuranose is 1.7 kJ/mol, what fraction of the to
alisha [2963]
The connection between Gibb's free energy and temperature can be described as follows. The value for \Delta G is specified as 1.7 kJ/mol. Additionally, we know that k = \frac{[product]}{[substrate]}

= \frac{\text{[fructofuranose]}}{\text{[fructopyranose]}}. Since k has a value of 0.50357 at a temperature of 298 K, we can conclude that

\frac{\text{[fructofuranose]}}{\text{[fructopyranose]}} = 0.50357, leading to \frac{\text{[fructofuranose]}}{\text{[fructopyranose]}} + 1 = 1.50357, which equals \frac{\text{[total fructose solution]}}{\text{[fructopyranose]}} \frac{1}{1.50357} = 0.665. Therefore, we can deduce that 0.665 of the total fructose in the solution exists as fructopyranose.

7 0
1 month ago
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