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sergey [27]
3 years ago
8

What process takes place when hydrogen-3 and hydrogen-2 combine to form

Chemistry
1 answer:
stira [4]3 years ago
3 0

Answer:

A. Fusion

Explanation:

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How many particles are there in 2.8 moles of CO2
Drupady [299]

Answer:

Moles = Molecules / (6.0221415 x 10^23)

Explanation:

3 0
3 years ago
30 pts! Sodium and water react according to the following equation. If 31.5g of sodium are added to excess water, how many liter
mihalych1998 [28]
First, calculate the number of moles of sodium present with the given mass,

              31.5 g of sodium x (1 mol sodium/ 23 g sodium) = 1.37 mol sodium

It is given in the equation that for every 2mols of sodium, one mol of H2 is produced.

           mols of H2 = (1.37 mols sodium)(1 mol H2/ 2 mols sodium)
                  mols of H2 = 0.685 mols H2

Then, at STP, 1 mol of gas = 22.4 L.
                
                 volume of H2 = (0.685 mols H2)(22.4 L / 1 mol)
                     volume of H2 = 15.34 L

Answer: 15.34 L
3 0
3 years ago
The molar heat capacity of an unknown substance is 92.1 J/mol-K. If the unknown has a molar mass of 118 g/mol, what is the speci
dlinn [17]

Answer : The specific heat (J/g-K) of this substance is, 0.780 J/g.K

Explanation :

Molar heat capacity : It is defined as the amount of heat absorbed by one mole of a substance to raise its temperature by one degree Celsius.

1 mole of substance releases heat = 92.1 J/K

As we are given, molar mass of unknown substance is, 118 g/mol that means, the mass of 1 mole of substance is, 118 g.

As, 118 g of substance releases heat = 92.1 J/K

So, 1 g of substance releases heat = \frac{92.1}{118}=0.780J/g.K

Thus, the specific heat (J/g-K) of this substance is, 0.780 J/g.K

8 0
3 years ago
The symbol for free energy is<br> a. DG.<br> b. DS.<br> c. DT.<br> d. DH.
shusha [124]
I think the answer is A but I’m not 100% sure
4 0
3 years ago
Table sugar completely dissolved in water is an example of a?
olga_2 [115]
Solution because a solution cannot be separated by hand
5 0
3 years ago
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