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devlian [24]
4 years ago
7

If the average velocity of an object is not the same for all time intervals, then the object moves at a(n)

Chemistry
1 answer:
Elina [12.6K]4 years ago
3 0

Answer:

A

Explanation:

because the object's velocity had no acceleration between time intervals

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Which is a positive effect of using chemistry?
bogdanovich [222]

The positive effect of using chemistry is the generation of energy without fossil fuels.

Chemistry is the branch of science that deals with the study of the nature, properties and composition of matter as well as the changes that matter undergoes. Chemistry has really contributed positively to the advancement of the society.

Lately, there has been a lot of emphasis on alternative sources of energy apart from fossil fuels. One such options is the use of hydrogen fuels. Chemistry has been at the forefront of this research.

Hence, one positive effect of using chemistry is that energy can be generated without burning fossil fuels.

Learn more: brainly.com/question/2192784

4 0
3 years ago
Calculate δs∘rxn for the reaction2no(g) o2(g)→2no2(g)express your answer to one decimal place and include the appropriate units
Anna35 [415]

The δs∘rxn  for the reaction 2NO(g) + O_{2} → 2NO_{2} (g) will be -146 J/K.

Entropy would be a measurable physical characteristic and a scientific notion that is frequently connected to a condition of disorder, unpredictability, or uncertainty.

Entropy would be a measurement of the system's unpredictability or disorder. The entropy increases as randomness do. It has broad properties as well as a state function. It has the unit JK^{-1} mol^{-1}.

Entropy of the reaction can be calculated by the reaction.

ΔS^{0} rxn = 2 mol × S^{0} (NO_{2} (g) - 2 mol × S^{0} NO (g) - 1 mol × S^{0} (O_{2} )

ΔS^{0} rxn  = 2 mol × 240 J/mol.K - 2 mol × 210 J/mol.K-1 mol  ×205.2 J/mol.K

ΔS^{0} rxn  = -146.8 J/K

Therefore, the δs∘rxn  for the reaction 2NO(g) + O_{2} → 2NO_{2} (g) will be -146 J/K.

To know more about reaction

brainly.com/question/20305735

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4 0
1 year ago
Patricia and Elliott are trying to figure out how much the temperature would have to increase from the freezing point of hydroge
Fudgin [204]

Answer:

545.7 degrees

Explanation:

Hope this helps :D

7 0
3 years ago
1. Какая масса растворённого вещества содержится в 21г. раствора с массовой долей 0,9%
vfiekz [6]

Answer:

I don't know this language please send me in English please

3 0
3 years ago
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How many moles are in 3.75 x 10^25 atoms of Tungsten?
DanielleElmas [232]

Answer:

62.29 moles

Explanation:

See attached image

3 0
3 years ago
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