2 years ago

7. A spontaneous reaction occurs when the sign of free energy IS

Chemistry

1 answer:

il63 [147K]2 years ago

3 0

Answer:

positive

Explanation:

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Bases increase the concentration of hydronium ions by donating hydroxide ions to water molecules.

yuradex [85]

Answer:

The given statement is false.

Explanation:

Acid as are defined as those substance which gives hydrogen ions in their aqueous solutions.

$HA(aq)\rightarrow H^+(aq)+A^-(aq)$

Base as are defined as those substance which gives hydroxide ions in their aqueous solutions.

$BOH(aq)\rightarrow B^+(aq)+OH^-(aq)$

The given statement is false.The correct statement is :

Bases increase the concentration of hydroxide ions by donating hydroxide ions to water molecules.

7 0

3 years ago

A sample of a gas occupies 2.76 L at 303K. What would the volume be if the temperature was increased to 404K? Assume constant

Artist 52 [7]

Answer:

If the temperature was increased to 404 K, its volume would be 3.68 L.

Explanation:

Charles' Law gives a relationship between the volume and the temperature of the gas at constant temperature. This law states that the volume of a given amount of gas held at constant pressure is directly proportional to the temperature.

$V\propto T$

$\dfrac{V_1}{V_2}=\dfrac{T_1}{T_2}$

Let

$V_1=2.76\ L\\\\T_1=303\ K\\\\T_2=404\ K$

Let $V_2$ is new volume. Using above formula we get :

$V_2=\dfrac{V_1T_2}{T_1}\\\\V_2=\dfrac{2.76\times 404}{303}\\\\V_2=3.68\ L$

If the temperature was increased to 404 K, its volume would be 3.68 L.

6 0

4 years ago

WHICH RIBBON WOULD BE CONSIDERED THE SENIOR RIBBON AND WOULD BE PLACED TO THE LEFT NEAR YOUR HEART?

Pie

Answer:

Explanation:

3 0

3 years ago

An experimental series stack of PEM cells produces 2.20 x 108 W of power. If each cell contributes 231 kW, how many cells are in

Phoenix [80]

The Answer is 952 cells!

I hope this helps! ^^

4 0

4 years ago

Read 2 more answers

At a certain temperature, 0.980 mol SO₃ is placed in a 2.50 L container.

taurus [48]

Answer:

Kc = 0.0122

Explanation:

For a given equilibrium reaction, the equilibrium constant is calculated by taking the ratio between the equilibrium concentrations of the products and the equilibrium concentrations of the reactants, each raised to the power of their respective stoichiometric coefficients.

6 0

3 years ago