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LenaWriter [7]
3 years ago
6

2. Which of the following is true about a carbonated soft drink?. . The carbon dioxide is the solvent, and water is the solute..

. The water is the solution, and carbon dioxide is the solvent.. . The carbon dioxide is the solution, and the water is the solvent.. . The water is the solvent, and the carbon dioxide is the solute.. . . 3. For the reaction CH3COOH CH3COO + H+, which of the following statements is true?. . CH3COO is an Arrhenius base.. . CH3COO is a Lewis base.. . CH3COOH is a Brønsted-Lowry acid.. . CH3COOH is a Brønsted
Chemistry
2 answers:
Flura [38]3 years ago
7 0

Answer: 2. The water is the solvent, and the carbon dioxide is the solute.

3. CH_3COOH] is a Brønsted-Lowry acid.

Explanation:

2. Solute is the dispersed phase of the solution and is present in small quantities whereas solvent is the dispersion medium and is present in large proportions. carbonated drinks contain carbon dioxide dissolved in water and thus carbon dioxide is the solute and water is the solvent which together form a solution.

3. Bronsted lowry acid  is a substance which donates H^+. Bronsted lowry base is a substance which accepts H^+.

Arrhenius acid is a substance which donates H^+ when dissolved in water.Arrhenius base is a substance which donates OH^- when dissolved in water.

Lewis acid  is a substance which accepts electrons. Lewis base is a substance which donates electrons.

CH_3COOH\rightarrow CH_3COO+H^+

Thus as acetic acid donates  H^+ , it is considered as  Bronsted-Lowry acid.


const2013 [10]3 years ago
3 0
A carbonated soft drink hs a large amount of water dissolved with ample amount of carbon dioxide. In this case, the solvent is water and carbon dioxide is the solute. In 2, for the reaction <span>CH3COOH = CH3COO + H+, CH3COOH is a Bronsted-Lowry acid because it releases a proton which is H+. </span>
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harina [27]

Answer:

0.36 g of N2.

Explanation:

The following data were obtained from the question:

Temperature (T) = 25 °C

Volume (V) = 340 mL

Measured pressure = 730 torr

Vapour pressure = 23.76 torr

Mass of N2 =..?

First, we shall determine the true pressure of N2. This can be obtained as follow:

Measured pressure = 730 torr

Vapor pressure = 23.76 torr

True pressure =..?

True pressure = measured pressure – vapor pressure

True pressure = 730 – 23.76

True pressure = 706.24 torr.

Converting 706.24 torr to atm, we have:

760 torr = 1 atm

Therefore,

706.24 torr = 706.24 / 760 = 0.929 atm

Next, we shall convert 340 mL to L. This is illustrated below:

1000 mL = 1 L

Therefore,

340 mL = 340/1000 = 0.34 L

Next, we shall convert 25 °C to Kelvin temperature. This is illustrated below:

Temperature (K) = Temperature (°C) + 273

T(K) = T (°C) + 273

T (°C) = 25 °C

T(K) = 25 °C + 273

T (K) = 298 K

Next, we shall determine the number of mole of N2. This can be obtained as follow:

Pressure (P) = 0.929 atm

Volume (V) = 0.34 L

Temperature (T) = 298 K

Gas constant (R) = 0.0821 atm.L/Kmol

Number of mole (n) =...?

PV = nRT

0.929 x 0.34 = n x 0.0821 x 298

Divide both side by 0.0821 x 298

n = (0.929 x 0.34 ) /(0.0821 x 298)

n = 0.0129 mole

Finally, we shall determine the mass of N2 as shown below:

Mole of N2 = 0.0129 mole

Molar mass of N2 = 2x14 = 28 g/mol

Mass of N2 =.?

Mole = mass /Molar mass

0.0129 = mass of N2/ 28

Cross multiply

Mass of N2 = 0.0129 x 28

Mass of N2 = 0.36 g

Therefore, 0.36 g of N2 was collected.

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Answer:

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ammonia is a polar molecule with weak hydrogen bond as intermolecular interactions thus will have higher melting point than chlorine

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