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RUDIKE [14]
3 years ago
10

A "fizz-keeper" is a small air pump that you can place on an opened soda bottle. When operated the pump is used to pressurize th

e air space above the soda by pumping in air from the outside. Based on Henry's law, this would be expected to __________ the solubility of carbon dioxide in the remaining soda.
Chemistry
1 answer:
AnnZ [28]3 years ago
3 0

Answer: increase

Explanation:

Henry's law states that the amount of gas dissolved or molar solubility of gas is directly proportional to the partial pressure of the liquid.

As soda contains carbon dioxide dissolved in water.

The equation given by Henry's law is:

C_{CO_2}=K_H\times p_{CO_2}

where,

C_{CO_2} = solubility of carbon dioxide in water

K_H = Henry's constant

p_{CO_2} = partial pressure of carbon dioxide

Thus on increasing the pressure, the solubility of carbon dioxide also increase.

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Answer:

Monosaccharide

Explanation:

Apples contain high levels of fructose, which is a monosaccharide.

8 0
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Convert 78.9 kJ into calories (can you also explain how pls, ty <3)
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Answer:

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3 years ago
The total number of protons and neutrons in the nucleus of an atom is called the___________
Helen [10]
This answer is nucleons
6 0
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As the temperature of a gas sample increases, the number of molecules and volume remaining constant, the pressure exerted by the
Luba_88 [7]

Answer:

A. increases

Explanation:

According to the Gay-Lussac's law:-

Thus, at constant volume and number of moles, Pressure of the gas is directly proportional to the temperature of  the gas.

P ∝ T

Also,  it can be written as:-

\frac {P_1}{T_1}=\frac {P_2}{T_2}

Thus, if the temperature is increased, the pressure exerted by the gas also increases.

8 0
3 years ago
Briefly describe how a potentiometric pHmeter works. (Hint: Describe how the pH meter
cupoosta [38]

Answer:

A potentiometric pH meter is used to measure the pH of a solution.

Explanation:

A pH meter is an common instrument that is used to measure the hydrogen-ion concentration in aqueous solutions , the meter indicates its acidity or alkalinity and is expressed as pH.

The pH meter measures the difference in electrical potential between a pH electrode and a reference electrode, hence the pH meter is often called a potentiometric pH meter. The difference in electrical potential is related to the pH of the solution.

Potentiometric pH meters consists of a simple electronic amplifier and a pair of electrodes, alternatively it may consist of a combination electrode, and some form of display calibrated in pH units. It usually has a glass electrode and a reference electrode, or a combination electrode. The electrodes, or probes, are inserted into the solution to be tested and pH values are read off.

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