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Alex73 [517]
4 years ago
14

When balancing a chemical equation can you adjust the number that is subscripted to a substance formula?

Chemistry
1 answer:
Ugo [173]4 years ago
3 0
No, you can't do that
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If the volume of a gas at 0.5 atm changes from 150 mL to 75 mL, what is the new pressure?
nalin [4]

Answer:

<h2>1 atm </h2>

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we're finding the new pressure

P_2 =  \frac{P_1V_1}{V_2}  \\

We have

P_2 =  \frac{0.5 \times 150}{75}  =  \frac{75}{75}  = 1 \\

We have the final answer as

<h3>1 atm </h3>

Hope this helps you

3 0
3 years ago
Please help me urgent!
loris [4]
It decreases in volume, as the energy is lost.
4 0
3 years ago
How many neutrons are in the nucleus of an atom with an atomic number of 25
Makovka662 [10]

Answer:

The neutron is 30

Explanation:

The element with atomic number of 25 is Manganese. it has a mass number of approximately 55.

Therefore, the neutron number = Mass number - Proton number (i.e. atomic number)

                                         = 55 - 25

  Neutron number            = 30

4 0
3 years ago
If 6.2 mold of H2SO4 is dissolved to make 750 ml of sulfuric acid what is the molarity
ludmilkaskok [199]

Answer: The molarity of given solution is 8.26 M.

Explanation:

Given: No. of moles = 6.2 mol

Volume = 750 mL (1 mL = 0.001 L) = 0.75 L

Molarity is the number of moles of a substance present in a liter of solution.

Therefore, molarity of given solution is converted as follows.

Molarity = \frac{no. of moles}{Volume (in L)}\\= \frac{6.2 mol}{0.75 L}\\= 8.26 M

Thus, we can conclude that the molarity of given solution is 8.26 M.

7 0
3 years ago
What is the affect of attraction or pull gravity between the sun and moon
REY [17]
I think the sun would suck in the moon
4 0
3 years ago
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