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Sliva [168]
3 years ago
13

Which words in the sentence are the adjective clause? Alessandra, whom everyone calls "Al," is the best tennis player on the tea

m.
a. tennis player on the team
b. is the best
c. Alessandra, whom everyone
d. whom everyone calls "Al
Chemistry
1 answer:
Alinara [238K]3 years ago
4 0
The answer is D. because that makes more sense
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OverLord2011 [107]

Answer:

Explanation:

13 ) symbol of enthalpy change = Δ H .

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Δ H .= m Lf , m is mass and Ls is latent heat of fusion

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Δ H = Δ E + W , Δ E is change in internal energy , W is work done by gas.

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Given the following reaction: H2SO4+2LiOH=Li2SO4+2H20, what mass of water is produced from 19 g of sulfuric acid?
goldfiish [28.3K]

Hi,

To solve the question, first of all we will find out the no. of moles of H2SO4 in  19 g of sulfuric acid.

As we know:

              No . of moles = Mass/ Molar mass

              No. of moles= 19 g/98.08 g

               No. of moles= 0.1937

Now we know the no of moles of H2SO4 that will react with 2LiOH. We also know the  molar equivalence of H2SO4 , and 2LiOH that will react.

So, the  water that will be produced will be 2H2O and 1 Li2SO4 when H2SO4 that will react with 2LiOH.

                          0.1937 x 2x 18.01

                                 =6.977

                                  =6.98

Therefore, approximately 6.98 grams of water will be produced from 19 g of sulfuric acid.


Hope it helps!


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Explanation:

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