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3 years ago

How does water get back into the atmosphere

1 answer:

3 0

Water gets back into the atmosphere because of the water cycle. The water cycle includes evaporation, precipitation and more. water from the ocean evaporates due to the sun and then precipatates as rain.

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there are 125 lima beans 56 garbanzo beans 39 kidney beans and 144 green peas in a container. find the percent by number of gree

Sauron [17]

39.6% of the beans are green beans

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2 years ago

As the volume of a gas at constant temperature did decreased,the pressure increases because

frosja888 [35]

Answer:

boyles law

Explanation:

volume is inversely proportional to pressure

7 0

2 years ago

Select the pair that consists of a base and its conjugate acid in that order. CO32−/CO22−

lana [24]

Answer: The pair that consists of a base and its conjugate acid in that order. $NH_3/NH_4^+$

Explanation:

According to the Bronsted-Lowry conjugate acid-base theory, an acid is defined as a substance which looses donates protons and thus forming conjugate base and a base is defined as a substance which accepts protons and thus forming conjugate acid.

$H_3PO_4\rightarrow H_PO_4{2^-}+2H^+$

$H_2CO_3\rightarrow HCO_3^-+H^+$

$NH_3+H^+\rightarrow NH_4^+$

$HCO_3^-\rightarrow CO_3^{2-}+H^+$

$NH_3$ is gaining a proton, thus it is considered as a brønsted-lowry base and after gaining a proton, it forms $NH_4^+$ which is a conjugate acid.

3 0

3 years ago

Draw the structure of the product of each step in the following three-step synthesis. Show the formal charges, if applicable. As

Dvinal [7]

Answer:

Second step: 4-bromo-1-methyl-2-nitrobenzene.

Third step: 1.5-dibromo-2-methyl-3-nitrobenzene.

Explanation:

To solve this exercise I will use the concepts of electrophilic substitution. In these reactions, a functional group is displaced by an electrophile. In the attached image are the two main products.

5 0

3 years ago

Heyyyywooo Friends Can Yall Plz Help

VARVARA [1.3K]

Answer:

I think the answer is A

3 0

2 years ago