3 years ago

A decrease in seawater temperature or an increase in salinity causes

Chemistry

1 answer:

Vinil7 [7]3 years ago

8 0

A decrease in seawater temp

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Beer's Law states that A=ebc, where A is the absorbance, ε is the molar absorptivity of the solute, b is the path length, and c

Gelneren [198K]

Answer:

b. changing the compound changes the absorbance behavior.

Explanation:

Option a) would be akin to modifying the path length, b.

Option b) would involve using a different solute, as such, there would be another molar absortivity, ε.

Option c) would decrease the concentration (c) of the solute, which would explain why the absorbance would decrease as well.

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3 years ago

Enter your answer in the provided box. Find the pH of a buffer that consists of 0.34 M HBrO and 0.89 M KBrO (PK, of HBrO = 8.64)

11111nata11111 [884]

Answer : The pH of buffer is 9.06.

Explanation : Given,

$pK_a=8.64$

Concentration of HBrO = 0.34 M

Concentration of KBrO = 0.89 M

Now we have to calculate the pH of buffer.

Using Henderson Hesselbach equation :

$pH=pK_a+\log \frac{[Salt]}{[Acid]}$

$pH=pK_a+\log \frac{[KBrO]}{[HBrO]}$

Now put all the given values in this expression, we get:

$pH=8.64+\log (\frac{0.89}{0.34})$

$pH=9.06$

Therefore, the pH of buffer is 9.06.

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3 years ago

In what two ways can an object possess energy?

-BARSIC- [3]

Explanation:

An object can possess energy in tow ways by it's motion or position

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What type of calorimeter would be best to use if you wanted to measure the heat that is released when gasoline is burned?

asambeis [7]

D. A constant pressure calorimeter would be used because an increase in heat causes an increase in pressure.

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16. Relevant information is knowledge that relates to the question. True or false

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Answer:

True

Explanation:

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