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Vesna [10]
3 years ago
10

Ammonia, nh3, for fertilizer is made by causing hydrogen and nitrogen to react at high temperature and pressure. How many moles

of ammonia can be made from 0.15 moles of nitrogen gas? _h2+_02 to _nh3
Chemistry
1 answer:
charle [14.2K]3 years ago
7 0

Answer:

0.30molNH_3

Explanation:

Hello there!

In this case, since the reaction for the formation of ammonia is:

3H_2+N_2\rightarrow 2NH_3

We can evidence the 1:2 mole ratio of nitrogen gas to ammonia; therefore, the appropriate stoichiometric setup for the calculation of the moles of the latter turns out to be:

0.15molN_2*\frac{2molNH_3}{1molN_2}

And the result is:

0.30molNH_3

Best regards!

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Calculate the number of moles of Li3PO4 in 2.2 L of a 0.60 M Li3PO4 solution.
Bingel [31]

Answer:

1.32 mole

Explanation:

The following data were obtained from the question:

Volume of solution = 2.2L

Molarity of solution = 0.60M

Mole of Li3PO4 =..?

Molarity is simply defined as the mole of solute per unit litre of the solution. Mathematically, it is represented as:

Molarity = mole /Volume

With the above formula we can easily calculate the number of mole of Li3PO4 as shown below:

Molarity =mole /Volume

0.6 = mole of Li3PO4 /2.2

Cross multiply

Mole of Li3PO4 = 0.6 x 2.2

Mole of Li3PO4 = 1.32 mole

Therefore, 1.32 mole of Li3PO4 is contained in the solution.

4 0
3 years ago
How many moles of Nitrogen in 40.0 g of N2O?<br> .14 g<br> 25.5 g<br> 14.5 g
Paul [167]

Answer:

To do this question. we first have to find the mass% of nitrogen in N2O and then, using that percentage, we can simply find the number of moles of N from the number of moles of N2O

<u></u>

<u>Mass % of Nitrogen:</u>

Mass% of nitrogen = (Molar mass of N2 / Molar mass of N2O)*100

Mass% nitrogen = (28 / 44)*100

Mass% of Nitrogen = 0.63 * 100

Mass% nitrogen = 63%

<u>Mass of Nitrogen:</u>

So, now we can say that in any given mass of N2O. 63% of the total mass is the mass of Nitrogen

Hence, total mass * 63/100 = Mass of Nitrogen

Replacing the variables

40 * 0.63 = Mass of Nitrogen

Mass of Nitrogen = 25.2 grams

8 0
3 years ago
A gas is placed in a storage tank at a pressure of 30.0 atm at 20.3 C. As a safety device, a small metal plug in the tank is mad
QveST [7]

Answer: 41.2 atm

Explanation

To calculate the final pressure of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

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

where,

P_1\text{ and }T_1 are the initial pressure and temperature of the gas.

P_2\text{ and }T_2 are the final pressure and temperature of the gas.

We are given:

P_1=30.0atm\\T_1=20.3^0C=(20.3+273)=293.3K\\P_2=?\\T_2=130^0C=(130+273)K=403K

Putting values in above equation, we get:

\frac{30.0}{293.3K}=\frac{P_2}{403}\\\\P_2=41.2atm

The maximum pressure (in atm) that will be attained in the tank before the plug melts and releases gas is 41.2

8 0
3 years ago
3) Calculate the mass of 0.750 mole of C2H6O.
BaLLatris [955]

Answer:

(3) 34.5grammes of C2H6O

(4) 5.56 x 10^22 Formula units

(5) 0.5 moles of CaCO3

Explanation:

(3) molar mass of C2H6O = 24 + 6 + 16 = 46 g/mol

mass of C2H6O =0.75 mole x 46 g/mole = 34.5 grammes

(4) Formula units of NaCl = (5.4/ 58.5) x 6.022x10^23 = 5.56 x 10^22

(4) moles = mass / molar mass

molar mass of CaCO3 = 40 + 12 + 48 = 100 g/mol

moles of CaCO3 = 50/100 = 0.5 moles

7 0
3 years ago
What is the [OH-] if the [H3O+] is 1 x 10 -6?
Mariulka [41]

The answer is [OH⁻] = 1 x 10⁻⁸.

To find OH⁻, divide the ionic product of water by [H₃O⁺] as :

<u>OH⁻ + H₃O⁺ = H₂O</u>

<u />

  • [OH⁻] = 1 x 10⁻¹⁴ / 1 x 10⁻⁶
  • [OH⁻] = 1 x 10⁻⁸
5 0
2 years ago
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