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mihalych1998 [28]
3 years ago
9

Liquid hexane e (CH 3 (CH 2 ) 4 CH 3 ) will react with gaseous oxygen (O 2 ) to produce gaseous carbon dioxide (CO 2 ) and gaseo

us water (H 2 O) . Suppose 2.59 of hexane is mixed with 2.9 of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits .
Chemistry
1 answer:
soldi70 [24.7K]3 years ago
7 0

Answer:

Explanation:

Hi I'm so sorry hope you have a good day

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If the atomic number of an element is 16, then it has 16 electrons.<br> True<br> False
Aleks04 [339]
True hope this helped u out cuh
4 0
4 years ago
What is the percent by mass of water in MgSO4 • 7H2O? A. 51.1% B. 195% C. 56.0% D. 21.0%
lbvjy [14]

Answer : The correct option is, (A) 51.1%

Explanation :

Mass percent : It is defined as the mass of the given component present in the total mass of the compound.

Formula used :

\text{Mass} \%H_2O=\frac{\text{Mass of }H_2O}{\text{Mass of }MgSO_4.7H_2O}\times 100

First we have to calculate the mass of H_2O and MgSO_4.7H_2O.

Mass of H_2O = 18 g/mole

Mass of 7H_2O = 7 × 18 g/mole = 126 g/mole

Mass of MgSO_4.7H_2O = 246.47 g/mole

Now put all the given values in the above formula, we get the mass percent of H_2O in MgSO_4.7H_2O.

\text{Mass} \%H_2O=\frac{126g/mole}{246.47g/mole}\times 100=51.1

Therefore, the mass percent of H_2O in MgSO_4.7H_2O is, 51.1%

6 0
3 years ago
A chef is testing out a new set of iron cookware. He knows that iron has a specific heat of 445 J/kg°C. He heats a 2 kg iron ski
Musya8 [376]

Answer:

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Explanation:

5 0
3 years ago
How many atoms are there in 2.50 mol of uranium?
yarga [219]
There are 1.51x10^24 atomsU in 2.50 mol of Uranium.

This is because a mole consists of 6.02x10^24 atoms. SO with this info,
2.5 x 6.02 x 10 = 1.505 x 10^24
but because we must round, the answer is 1.51 x 10^24

*mic drop*
XD silliness aside, I hope this helped!
5 0
3 years ago
Read 2 more answers
If 1.320 moles of CH4 reacts completely with oxygen, how many grams of H2O can be formed
Rainbow [258]

Answer:

47.5 g of water can be formed

Explanation:

This is the reaction:

CH₄  +  2O₂  →  CO₂ + 2H₂O

Methane combustion.

In this process 1 mol of methane react with 2 moles of oxygen to produce 2 moles of water and 1 mol of carbon dioxide.

As ratio is 1:2, I will produce the double of moles of water, with the moles of methane I have.

1.320 mol  .2 = 2.64 moles

Now, we can convert the moles to mass (mol . molar mass)

2.64 mol . 18g/mol = 47.5 g

3 0
4 years ago
Read 2 more answers
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