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3 years ago

According to this balanced equation, how many grams of water (H.0) form in

Chemistry

2 answers:

miskamm [114]3 years ago

8 0

Answer:

your simpal answer is 177.32

Nikolay [14]3 years ago

7 0

Your answer will be A.177.84
Sorry if it was incorrect

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In your own words how do plants on Earth affect the amount of carbon in Earth’s atmosphere?

Bumek [7]

Answer:

Plants take carbon dioxide out of the atmosphere, but they also have other effects, such as changing the amount of evaporation from the land surface. ... The plants absorb carbon dioxide for photosynthesis through the same pores (called stomata). But when carbon dioxide levels are high, the leaf pores shrink.

Explanation:

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3 years ago

Read 2 more answers

Which of the following has the lowest Ka?a. carbonic acid b. dihydrogen phosphate c. phosphoric acid d. bicarbonate

Naya [18.7K]

Explanation:

A compound or molecule which will have least dissociation and that is not able to given hydrogen ion easily upon dissociation will also have a low value of $K_{a}$ .

Dissociation of the given compounds or species will be as follows.

$H_{2}CO_{3} \rightleftharpoons H^{+} + HCO^{-}_{3}$

$H_{2}PO^{-}_{4} \rightleftharpoons H^{+} + HPO^{-}_{4}$

$H_{3}PO_{4} \rightleftharpoons H_{+} + H_{2}PO^{-}_{4}$

As, chemical formula of bicarbonate is $HCO^{-}_{3}$ and due to the presence of a negative charge it is difficult to lose a positively charged hydrogen ion. This is because oppositely charged ions will be bonded by strong force of attraction.

Hence, it will not easily lose a hydrogen ion due to which bicarbonate has the lowest $K_{a}$ .

Thus, we can conclude that out of the given species bicarbonate has the lowest $K_{a}$ .

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3 years ago

Would your work in cleaning the beach be considered physical or a chemical change to the environment? Explain your reasoning.

gregori [183]

Physical because it can easily turn back into the original "substance"

6 0

4 years ago

How many possible Mole Ratios are in the following reaction:<br> ZnO + 2 HCl --> ZnCl2 + H2O

Misha Larkins [42]

Answer: 2 moles

Explanation:

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3 years ago

_____________ is the energy stored because of its position or shape.

Natasha2012 [34]

Answer:

Potential Energy is the energy stored because of its position or shape

Explanation:

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3 years ago