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goblinko [34]
3 years ago
11

I need help (yes again)

Chemistry
2 answers:
myrzilka [38]3 years ago
7 0

Answer:

with was thing g lemme know

CaHeK987 [17]3 years ago
6 0

Answer:

with what?

Explanation:

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A car moving at 12 m/s applies its brakes and comes to a stop in 2 s. What was its acceleration?​
vredina [299]

Answer:

<h2>6 m/s²</h2>

Explanation:

The acceleration of an object given it's velocity and time taken can be found by using the formula

a =  \frac{v}{t}  \\

where

a is the acceleration

v is the velocity

t is the time

From the question we have

a =  \frac{12}{2}  \\

We have the final answer as

<h3>6 m/s²</h3>

Hope this helps you

8 0
3 years ago
Explain how the understanding of atomic emission spectrum led to development of the atomic theory? ( 4 points)
-Dominant- [34]
Well, all of this we owe it to Bohr who analyzed the atomic emission spectrum of hydrogen and he could probe matematically that it was a result of movement of e- from an especific energy level to a lower one. The understanding of levels of energy took to the development of the atomic theory
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3 years ago
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What is the most likely result of the pollution of a fresh water resource?
Troyanec [42]

Answer:

Loss of biodiversity in the wetlands.

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Nitrogen pollution enters Earth’s freshwater resources from a variety of human activities, including the use of fertilizers and pesticides in agriculture. This nitrogen pollution has a negative effect on plants and animals living in fresh water. Certain wetland plants, however, are able to purify the water and restore it to its non-polluted state.

Hence, what would most likely increase the negative effects of nitrogen pollution is a loss of biodiversity in the wetlands i.e the various species of animal and plants.

6 0
3 years ago
Look at the chemical equation below. What is the purpose of the numbers in the red boxes?
dimaraw [331]
C. It show how many moles are used of each substance.
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The answer is FeCl3, just took the quiz
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3 years ago
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