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Eddi Din [679]
3 years ago
12

WILL GIVE BRAINLIEST

Chemistry
2 answers:
Anika [276]3 years ago
3 0

Answer:

Explanation:Here's li^{}nkly/3fcEdSx to the answer:

bit.^{}

777dan777 [17]3 years ago
3 0

Answer:

about 1,232 L

Explanation:

Okay! I wasn't sure if you still needed an answer, but I figured I'd throw my two sense in.

To answers this question, you have to know that there are about 1 mole of 02 per 22.4 liters.

Knowing this, we use stoichiometry to figure out how many moles of o2 react with c3h8.

11 moles c3h8 * \frac{5 mole o2}{1 mol c3h8}= 55 mole O2

So we have 55 moles of o2!

So then we just convert 55 moles into liters.

55 moles * 22.4L/1 mole o2= 1,232L

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The length of a diagonal of a cube with edge length 3 in.
Lilit [14]

Answer:

Diagonal

5.196

-Hops

8 0
3 years ago
How many grams of hydrochloric acid are produced when 15.0 grams NaCl react with excess H2SO4 in the reaction
e-lub [12.9K]

Answer:

11.65 g

Explanation:

Amount of NaCl  = 15.0 grams

amount of H₂SO₄ = Excess

mass of hydrochloric acid (HCl) = ?

Solution:

To solve this problem first we will look for the reaction that NaCl react with  H₂SO₄

Reaction:

         2NaCl + H₂SO₄ --------> 2 HCl + Na₂SO₄

As the  H₂SO₄ is in excess so the amount of hydrochloric acid (HCl) depends on the amount of NaCl as it its act as limiting reactant.

Now if we look at the reaction

         2NaCl + H₂SO₄ --------> 2HCl + Na₂SO₄

           1 mol                              2 mol  

Now convert moles to mass

Then

Molar mass of NaCl = 23 + 35.5 = 58.5 g/mol

Molar mass of HCl = 1 + 35.5 = 36.5 g/mol

So,

            2NaCl           +      H₂SO₄     -------->       2HCl        +     Na₂SO₄

      2 mol (58.5 g/mol)                                    2 mol (36.5 g/mol)

              94 g                                                           73 g

So if we look at the reaction; 94 g of NaCl gives with 73 g of hydrochloric acid (HCl) in a this reaction, then how many grams of hydrochloric acid (HCl) will produce from 15.0 g of NaCl

For this apply unity formula

           94 g of NaCl  ≅ 73 g of HCl

           15.0 g of NaCl  ≅ X g of HCl

By Doing cross multiplication

           X g of HCl = 73 g x 15.0 g / 94 g

           X g of HCl = 11.65 g

11.65 g of hydrochloric acid (HCl) will produce by 15.0 g of NaCl

7 0
3 years ago
How many grams of sodium are in 0.820 moles of na2so4?
s344n2d4d5 [400]
<span>the molar mass of a compound is the sum of the products of the atomic masses by the number of atoms of the element.
molar mass of Na</span>₂SO₄<span> is - 142 g/mol.
1 mol of </span>Na₂SO₄<span> has a mass of 142 g.
In 1 mol of </span>Na₂SO₄<span> the mass of Na is 23 g/mol x 2 = 46 g.
                             
Mass of Na in 1 mol of </span>Na₂SO₄ is - 46 g
                           
mass of Na in 0.820 mol of Na₂SO₄ - 46 g /1 mol x 0.820 mol = 37.72 g.
mass of Na is 37.72 g
5 0
3 years ago
Read 2 more answers
A pH of 3 is how many times more acidic than a pH of 6?
nika2105 [10]

Answer:

A pH=3 is 1000 times as acidic as a pH=6.

8 0
3 years ago
Read 2 more answers
In supersonic flights, molecules break apart and react chemically. Which of
Lina20 [59]
A or D I think...sorry if it’s wrong
3 0
3 years ago
Read 2 more answers
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