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myrzilka [38]
3 years ago
5

Heat is a measurement of temperature change. TRUE or FALSE

Chemistry
2 answers:
Mashutka [201]3 years ago
8 0

Answer:

i think its false because heat is defined as the sum of kinetic enegry present in the molecules of substances.

yulyashka [42]3 years ago
3 0
I think it’s false. I hope this helps;)
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Why is genotype not the only factor that affects phenotype?
Trava [24]
Genotype is not the on;ly thing that effect phenotype because you have environmental effects as well that can cause a vary of things

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3 years ago
An element has two isotopes, A and B, with mass numbers of 32.0 and 33.0 respectively. The relative atomic mass is 32.3. The per
vlada-n [284]

Answer:

d) A - 70% B - 30%

Explanation:

If x is the abundance of A, and 1−x is the abundance of B, then:

x (32.0) + (1−x) (33.0) = 32.3

32x + 33 − 33x = 32.3

33 − x = 32.3

x = 0.7

The abundance of A is 70%, and the abundance of B is 30%.

7 0
3 years ago
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IF U HAAD THEE RIGHHT ANSWERRR PLZZZ
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Answer:A

Explanation: I’m pretty sure

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3 years ago
How are the excited electrons from stage 1 used in stage 2 of photosynthesis? A. Splitting of water b. Carbon fixation c. Format
Gnom [1K]

Answer;

D. Formation of NADPH

Explanation;

During the process of photosynthesis light is converted to chemical energy.

During stage 1, Excited electrons that leave the chlorophyll pigments in stage 1 are used. Excited electrons are passed through proteins in the thylakoid membrane like a ball being passed from person to person. H2o molecules split and turn into H+ molecules and O2 gas, then pigments take the electrons from the split water molecules and release O2 into the atmosphere.

During stage 2; electrons from 1st cluster pump H+ ions into the thylakoid membrane through the hydrogen ion pump (protein membrane. Higher concentration of H+ ions inside the thylakoid membrane compared to outside. H+ ions diffuse out of the thylakoid throught the ATP synthase (enzyme in membrane). ATP synthase catalyzes the reaction ADP + P ---->ATP.

Stage 2; Excited electrons + H+ ions + NADP+= NADPH

6 0
3 years ago
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C) Condensation is the opposite of evaporation.


Condensation is the phase when water droplet form. Ex) When you have a glass of ice water the water droplets on the outside of the glass are condensation.

Evaporation is when a liquid heats up and turns into a steam or mist. Ex) When you boil water the steam that comes up from the pot is actually water!!

Therefore condensation is caused by cold temperatures, and evaporation is caused by hot temperatures.

3 0
2 years ago
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