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snow_tiger [21]

3 years ago

14

What is the next atomic orbital in the series below? 1s, 2s, 2p, 3s, 3p, ___

2 answers:

Angelina_Jolie [31]3 years ago

7 0

D.4s this would be the answer because after eight electrons are added to the third orbital two have to be added to the fourth before more can be added to the third one. The third orbital can hold 18 electrons, but it first has to have eight, then two on the fourth orbital, then the rest of the ten can be added

Ivan3 years ago

3 0

Answer: 4s is the answer.

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How many moles of Ammonium Sulfate can be made from 30.0mol of NH3? 2NH3 + H2SO4 --> (NH4)2SO4

BartSMP [9]

Answer: 15.0 moles of $(NH_4)_2SO_4$ are formed from 30.0 mol of $NH_3$

Explanation:

The balanced chemical reaction is :

$2NH_3+H_2SO_4\rightarrow (NH_4)_2SO_4$

According to stoichiometry :

2 moles of $NH_3$ give = 1 mole of $(NH_4)_2SO_4$

Thus 30.0 moles of $NH_3$ will give = $\frac{1}{2}\times 30.0=15.0moles$ of $(NH_4)_2SO_4$

Thus 15.0 moles of $(NH_4)_2SO_4$ are formed from 30.0 mol of $NH_3$

7 0

3 years ago

Given the following reaction:

fredd [130]

Answer:D. In order to restore equilibrium, the reaction shifts right, towards products

Explanation:

7 0

2 years ago

Water in ethanol solution which one of them is solvent?

ANEK [815]

Answer:

The mixture of ethanol and water is a liquid-liquid solution. The solvent is Water.

Explanation:

6 0

2 years ago

Read 2 more answers

1gallon=3.79 liters, The gas tank of a car holds 15 gallons.if you were traveling in Europe how many liters if petrol would you

Andrei [34K]

For an approximate result, multiply the volume value by 3.785
Answer ≈ 56.7812

6 0

4 years ago

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You have a red ballooe that has a volume of 20 liters, a pressure of 1.5 atmospheres and a temperature of 28 C. What is the volu

ki77a [65]

Explanation:

The given data is as follows.

$P_{1}$ = 1.5 atm, $V_{1}$ = 20 L, $T_{1}$ = (28 + 273) K = 301 K

$P_{2}$ = 5 atm, $V_{2}$ = ?, $T_{2}$ = (50 + 273) K = 323 K

Formula to calculate the volume will be as follows.

$\frac{P_{1} \times V_{1}}{T_{1}}$ = $\frac{P_{2} \times V_{2}}{T_{2}}$

Putting the given values into the above formula as follows.

$\frac{P_{1} \times V_{1}}{T_{1}}$ = $\frac{P_{2} \times V_{2}}{T_{2}}$

$\frac{1.5 atm \times 20 L}{301 K}$ = $\frac{5 atm \times V_{2}}{323 K}$

$V_{2}$ = 0.64 L

Thus, we can conclude that the change in volume of the balloon will be 0.64 L.

6 0

3 years ago