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Xelga [282]
4 years ago
11

How many grams of nickel (ni, 58.69 g/mol) are in 1.57 moles of nickel?

Chemistry
2 answers:
Setler79 [48]4 years ago
4 0

Answer : The mass of nickel is, 92.1433 grams

Explanation : Given,

Moles of nickel = 1.57 mole

Molar mass of nickel = 58.69 g/mole

Formula used :

\text{Mass of nickel}=\text{Moles of nickel}\times \text{Molar mass of nickel}

Now put all the given values in this formula, we get the mass of nickel.

\text{Mass of nickel}=1.57mole\times 58.69g/mole

\text{Mass of nickel}=92.1433g

Therefore, the mass of nickel is, 92.1433 grams

myrzilka [38]4 years ago
3 0

The answer is 58.6934. We assume you are converting between grams Nickel and mole. You can view more details on each measurement unit: molecular weight of Nickel or moles The molecular formula for Nickel is Ni. The SI base unit for amount of substance is the mole. 1 grams Nickel is equal to 0.017037690779543 mole.

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air is trasferred from 75 L tank where the pressure is 125 psi and the temperature is 288 K to a tire with a volume. of 6.1 L an
just olya [345]

Answer:

4.7K

Explanation:

Given parameters:

Initial volume  = 75L

Initial pressure  = 125psi  

        to atm gives 8.5atm

Initial temperature  = 288K

New volume  = 6.1L

New pressure  = 25psi

        to atm gives 1.7atm

Unknown:

New temperature = ?

Solution:

To solve this problem, we use the combined gas law which is given below:

        \frac{P1 V1}{T1}    = \frac{P2 V2}{T2}  

P, V and T are pressure, volume and temperature

1 and 2 are initial and new states

                  \frac{8.5 x 75}{288}   = \frac{1.7 x 6.1}{T2}

        T2  = 4.7K

5 0
3 years ago
3. A 0.5L container of Nitrogen (N) gas at 18 degrees Celsius is heated under constant pressure to the boiling point of water. W
ExtremeBDS [4]

The volume increased to 0.64 L on increasing the temperature to boiling point of water.

<u>Explanation:</u>

One of the important laws used for understanding the kinetics of gas particles is Charle's law. It states that the volume occupied by gas molecules will be directly proportional to the Kelvin temperature of the molecules at constant pressure.

Volume ∝ Kelvin Temperature at constant Pressure

So, in this case, the initial volume of the container in which Nitrogen gas is kept is given as 0.5 L and the initial temperature of the Nitrogen gas is said to be 18°C.

Now the container is heated to boiling point of water which is 100°C, then the volume occupied by the gas should increase as per Charle's law.

\frac{V_{1} }{T_{1} } = \frac{V_{2} }{T_{2} }

Since here V₁ = 0.5 L

T₁ = 18°C =  18 + 273.15 = 291.15 K

T₂ = 100°C = 100 + 273.15 = 373.15 K

\frac{0.5}{291.15} = \frac{V_{2} }{373.15} \\\\V_{2} = \frac{0.5 \times 373.15}{291.15} = 0.64\ L

Thus, the volume increased to 0.64 L on increasing the temperature to boiling point of water.

8 0
3 years ago
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monitta
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7 0
3 years ago
Anyone can help me in science assignment
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Answer:

okay I will help you

Explanation:

okay

6 0
3 years ago
Read 2 more answers
What volume of 0.6 m hcl is required to neutralize 100.0 ml of 0.5 m naoh?
finlep [7]
In order to determine the amount needed, we have to know the chemical reaction that would happen between the substances. In this case the reaction would be:

NaOH + HCl = NaCl + H2O

We calculate as follows:

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Hope this answers the question. Have a nice day.
4 0
3 years ago
Read 2 more answers
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