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kirill [66]
3 years ago
12

URGENT, DO IT PLEASE, BRAINLIEST!~!!!

Chemistry
1 answer:
ra1l [238]3 years ago
7 0

last one :H202 is hydrogen peroxide so its not water it is simmilar but its NOT water.

i dont know the other ones.

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Will name brainliest!!!!!
dem82 [27]

According to sources, the most probable answer to this query is the reaction is spontaneous and will proceed without any energy input. This means that energy was produced and can result to a reaction.We appreciate your questions. Please, never hesitate to ask more in Brainly your queries. 
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3 years ago
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A solar panel combines multiple photovoltaic cells. Which type of energy is used to power a solar panel?
Softa [21]

Explanation:

<u>Photovoltaic means electricity from light</u>

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<u>SUNLIGHT</u> is the answer

Hope this is correct

HAVE A GOOD DAY!

3 0
3 years ago
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What is the ph of a buffer prepared by adding 0.607 mol of the weak acid ha to 0.609 mol of naa in 2.00 l of solution? the disso
Paraphin [41]

Given:

0.607 mol of the weak acid

0.609 naa

2.00 liters of solution

 

The solution for finding the ph of a buffer:

[HA] = 0.607 / 2.00 = 0.3035 M 
[A-]= 0.609/ 2.00 = 0.3045 M 
pKa = 6.25 

pH = 6.25 + log 0.3045/ 0.3035 = 6.25 is the ph buffer prepared.

6 0
3 years ago
To study earths interior, geologist often rely on indirect methods, such as evidence from fossils.
igomit [66]

Answer: false

Explanation:

It is false that to study Earth's interior, geologists often rely on indirect methods, such as evidence from fossils. They rely on seismic wave.

6 0
3 years ago
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Complete the equation C14H30 = ________ + C7H14
Gemiola [76]

Answer:

C14H30 -----> C7H14 + C2H4 +C5H10

Explanation:

3 0
3 years ago
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