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3 years ago

15

If 1.00 mole of water is produced how many moles of hno3 are used

1 answer:

Marina CMI [18]3 years ago

4 0

I think that the answer would be 12

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3 years ago

The combustion of a sample of butune, C4H10 (lighter fluid), produced 2.46 grams of water.

Marizza181 [45]

Molar mass :

H₂O = 18.0 g/mol
O₂ = 32.0 g/mol

<span>2 C</span>₄<span>H</span>₁₀<span> + 13 O</span>₂<span> = 8 CO + 10 H</span>₂<span>O
</span>
13 x 32.0 g O₂ ------------- 10 x 18.0 g H₂O
? g O₂ ------------- 2.46 g H₂O

Mass O₂ = 2.46 x 13 x 32.0 / 10 x 18.0

Mass O₂ =1023.36 / 180

=> 5.68 g of O₂

hope this helps!

7 0

3 years ago

A 0.245-L flask contains 0.467 mol co2 at 159 °c. Caculate the pressure using Van der Walls equation

AlladinOne [14]

Answer:

The right answer is "60.56 atm".

Explanation:

As we know,

Vander wall's equation is:

⇒ $(P+\frac{n^2 a}{v^2} )(v-nb)=nRT$

or,

⇒ $P=\frac{nRT}{(v-nb)}-\frac{n^2 a}{v^2}$

Here,

a = 3.59 L² atm mol⁻²

b = 0.0427 L mol⁻¹

By putting the values in the above equation, we get

⇒ $P=\frac{0.467\times 0.0821\times 432}{0.245-0.467\times 0.0427}$

$=\frac{(0.467)^2\times 3.49}{(0.245)^2}$

$=73.61-13.05$

$=60.56 \ atm$

8 0

3 years ago

5. In the metric system, 1 meter (m) is equivalent to how many centimeters?

adoni [48]

Answer:

C

Explanation:

___________________________

7 0

3 years ago