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2 years ago

What is the IUPAC name for NH3?

Chemistry

1 answer:

Ne4ueva [31]2 years ago

6 0

Answer:

The IUPAC name for NH3 would be Azane

Explanation:

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Free-energy change, ΔG∘, is related to cell potential, E∘, by the equationΔG∘=−nFE∘where n is the number of moles of electrons t

mart [117]

Answer:

a) $\Delta G=372490 J$

b) $\Delta G=-568614 J$

Explanation:

a) The reaction:

$Mg(s) +Fe^{2+}(aq) \longrightarrow Mg^{2+}(aq) + Fe(s)$

The free-energy expression:

$\Delta G=-n*F*E$

$E=E_{red}-E_{ox]$

The element wich is reduced is the Fe and the one that oxidates is the Mg:

$-0.44V=E_{red}-(-2.37V)=1.93V$

The electrons transfered (n) in this reaction are 2, so:

$\Delta G=-2mol*96500 C/mol * 1.93 V$

$\Delta G=-372490 J$

b) If you have values of enthalpy and enthropy you can calculate the free-energy by:

$\Delta G=\Delta H - T* \Delta S$

with T in Kelvin

$\Delta G=-675 kJ*\frac{1000J}{kJ} - 298K*-357 J/K$

$\Delta G=-568614 J$

7 0

3 years ago

Pls help, WILL MARK BRAINLIEST FOR THE CORRECT ANSWER!!!!

Nitella [24]

Answer:

The answer is D. Substances Y and Z would react to replace substance W, and the position of equilibrium would shift to the left.

Explanation:

PLZ BRAINLIEST'!!!

6 0

3 years ago

Read 2 more answers

Match each root with its meaning. (5 points) 1. Grad/gress 2. Ject 3. Meter 4. Junct 5. Loc a. Place b. To throw c. Measure d. T

Dima020 [189]

1. To step
2. To throw
3. Measure
4. To join
5. Place

4 0

3 years ago

Determine the number of moles of air present in 1.35 L at 750 torr and 17.0°C. Which equation should you use? COMPLETE What is t

xxTIMURxx [149]

Answer:

0.0559 mol

Explanation:

Step 1: Given and required data

Volume of air (V): 1.35 L

Pressure of air (P): 750 torr

Temperature (T): 17.0 °C

Ideal gas constant (R): 0.0821 atm.L/mol.K

Step 2: Convert "P" to atm

We will use the conversion factor 1 atm = 760 torr.

750 torr × 1 atm/760 torr = 0.987 atm

Step 3: Convert "T" to Kelvin

We will use the following expression.

K = °C + 273.15

K = 17.0 °C + 273.15 = 290.2 K

Step 4: Calculate the number of moles of air

If we assume air behaves as an ideal gas, we can calculate the moles (n) of air using the ideal gas equation.

P × V = n × R × T

n = P × V/R × T

n = 0.987 atm × 1.35 L/(0.0821 atm.L/mol.K) × 290.2 K = 0.0559 mol

4 0

3 years ago

Write the word or phrase beginning with each letter of the word CHANGE

Mrrafil [7]

Creativity
Happiness
A-idk
New things
G-idk
Experience
Don't know what to do for G and A sorry!

4 0

3 years ago