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Naily [24]
3 years ago
13

Match the term with its description. Match Term Definition Chloroplast A) An organelle that contains chlorophyll and in which ph

otosynthesis takes place Chlorophyll B) A capacity to do work that can produce physical changes within living and nonliving systems Energy C) A green pigment present in all plants that absorbs light to provide energy for photosynthesis Glucose D) A type of sugar that is produced during photosynthesis to store chemical energy
Chemistry
2 answers:
kiruha [24]3 years ago
7 0

Answer: Chloroplast- A) An organelle that contains chlorophyll and in which photosynthesis takes place.

Chlorophyll- C) A green pigment present in all plants that absorbs light to provide energy for photosynthesis

Energy- B) A capacity to do work that can produce physical changes within living and nonliving systems.

Glucose- D) A type of sugar that is produced during photosynthesis to store chemical energy

Explanation:

Chloroplast- A) An organelle that contains chlorophyll and in which photosynthesis takes place:  In plants, chloroplasts is a organelle found in the leaves or green cells in which the process of photosynthesis takes place.

Chlorophyll- C) A green pigment present in all plants that absorbs light to provide energy for photosynthesis: Chlorophyll is a green pigment, found in the chloroplast organelle of plant cells. These pigments captures energy from sunlight. The light energy is used to produce food in the form of carbohydrates.

Energy- B) A capacity to do work that can produce physical changes within living and nonliving systems: Energy in the form of light, heat and chemical brings physical changes in the form, structure and function of living and non-living systems.

Glucose- D) A type of sugar that is produced during photosynthesis to store chemical energy: Photosynthesis is a biochemical pathway, in which energy from sun is converted into food in the form of glucose. The food energy is used to prepare chemical energy required for various metabolic activities in plants such as respiration. The chemical energy is produced in the form of ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate).



Otrada [13]3 years ago
3 0
Chloroplast is an organelle that contains clorophyll
Clorophyll is a green pigment present in all plants
Energy is a capacity to do work that can produce physical changes
Glucose is a type of sugar that is produced during Photosynthesis
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Determine the value of the equilibrium constant, Kgoal, for the reactionN2(g)+H2O(g)⇌NO(g)+12N2H4(g), Kgoal=?by making use of th
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K_{goal}=1.793*10^{-33}

Explanation:

N2(g)+O2(g)⇌2NO(g), K_1 = 4.10*10^{-31}

N2(g)+2H2(g)⇌N2H4(g), K_2 = 7.40*10^{-26}

2H2O(g)⇌2H2(g)+O2(g), K_3 = 1.06*10^{-10}

If we add above reaction we will get:

2N2(g)+2H2O(g)⇌2NO(g)+N2H4(g)                     Eq (1)

Equilibrium constant for Eq (1) is K_1*K_3*K_3

Divide Eq (1) by 2, it will become:

N2(g)+H2O(g)⇌NO(g)+1/2N2H4(g)                       Eq (2)  

Equilibrium constant for Eq (2) is (K_1*K_3*K_3)^{1/2}

Equilibrium constant =K_{goal}= (K_1*K_2*K_3)^{1/2}\\K_{goal}= (4.10*10^{-31} *7.40*10^{-26}*1.06*10^{-10})^{1/2}\\K_{goal}=1.793*10^{-33}

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Answer:

The law of reciprocal proportions states that if two elements react individually with a given weight of a third element, the ratio of the masses with which they combine with the third element are either the same or a simple multiple of the ratio of the masses with which they combine with each other

The compounds formed includes;

1) Nitric oxide, NO

Nitrogen = 46.66% × 30.01 = 14

Oxygen = 53.34% × 30.01 = 16

2) Water, H₂O

Hydrogen = 11.21% × 18.01528 = 2

Oxygen = 88.79% × 18.01528 ≈ 16

3) Ammonia, NH₃

Hydrogen = 17.78% × 17.031 ≈ 3

Nitrogen = 82.22% × 17.031 ≈ 14

The ratio of nitrogen to oxygen in nitric oxide = 14:16 = 7:8

The ratio of nitrogen to hydrogen in ammonia = 14:3

The ratio in which hydrogen and oxygen combine with nitrogen = 3/16

The ratio of hydrogen and oxygen combine with each other in water = 2/16

Therefore, the ratio with which hydrogen and oxygen combine with nitrogen, is (2/3) times the ratio with which they combine with each other, which verifies the law of reciprocal proportions

Explanation:

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