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max2010maxim [7]
4 years ago
5

During complete combustion, natural gas combines with oxygen to produce _____.

Chemistry
2 answers:
natta225 [31]4 years ago
6 0
The carbon dioxide and water are formed, for example:

CH₄ + 2O₂ = CO₂ + 2H₂O
methane

2C₂H₆ + 7O₂ = 4CO₂ + 6H₂O
ethane

C₃H₈ + 5O₂ = 3CO₂ + 4H₂O
propane
Goshia [24]4 years ago
5 0
Natural gas or hydrocarbons combine with oxygen to produce carbon dioxide and water.
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Which best describes a swimming pool?
dybincka [34]
Reactant swimming pool
3 0
3 years ago
Read 2 more answers
A. 1720 kJ<br> B. 125.6 kJ<br> C. 3440 kJ<br> D. 4730 kJ
Feliz [49]

Answer:

Q = 3440Kj

Explanation:

Given data:

Mass of gold = 2kg

Latent heat of vaporization = 1720 Kj/Kg

Energy required to vaporize 2kg gold = ?

Solution:

Equation

Q= mLvap

It is given that heat required to vaporize the one kilogram gold is 1720 Kj thus, for 2 kg

by putting values,

Q= 2kg ×  1720 Kj/Kg

Q = 3440Kj

7 0
3 years ago
A chemist prepares a solution of aluminum sulfite by measuring out 109 umol of aluminum sulfite into a 350 mL volumetric flask a
Tom [10]

Answer:

0.311 mmol/L

Explanation:

109  μmol = 109*10^(-6) mol

109*10^(-6) mol = 109*10^(-6) mol*(10^3 mmol/1mol) = 109*10^(-3) mmol =

=0.109 mmol

350 mL = 0.350 L

0.109 mmol/0.350 L = 0.311 mmol/L

8 0
4 years ago
The protocol for a given lab experiment specifies that you should prepare 100 mL of a 0.10 M (mol/L) aqueous solution of NaNO3.
Nat2105 [25]

Answer:

It should be transferred to a Beaker to finish preparing the solution

Explanation:

NaNO₃ is sodium Nitrate. It is a salt that is soluble in water hence it's aqueous solution can be prepared by dissolving it in water.

A beaker is a laboratory glassware that is used for various functions; one of which includes the preparation of reagents or aqueous solutions of a compound. In the example narrated in the question, the measured NaNO₃ solid can be transferred to a 100 mL or 200 mL beaker and then added to it is the desired volume of water to make the solution 100 mL. This solution can then be stirred with a "glass rod"

5 0
4 years ago
Give the stoichiometric coefficient for oxygen when the following equation is balanced using the lowest, whole-number coefficien
Mademuasel [1]

Answer: 2 \cdot CH_{4} O (l)+3 \cdot O_{2}(g) \rightharpoonup 2 \cdot CO_{2}(g) + 4 \cdot H_{2}O(l)

Explanation:

Let consider that one mole of diatomic oxygen is used. So, the stoichometric can be modelled by using three variables:

x \cdot CH_{4} O (l)+O_{2}(g) \rightharpoonup y \cdot CO_{2}(g) + z \cdot H_{2}O(l)

Where x,y,z are the required variables.

Now, three equations are constructed from the number of elements involved (Carbon, Hydrogen and Oxygen):

Carbon

x=y

Oxygen

x+2=2\cdot y + z

Hydrogen

4\cdot x = 2 \cdot z

The coefficients can be found by solving the abovementioned 3 x 3 Linear System:

x = \frac{2}{3}, y = \frac{2}{3}, z = \frac{4}{3}

The whole-number coefficients are determined by multiplying every coefficient by 3, then:

2 \cdot CH_{4} O (l)+3 \cdot O_{2}(g) \rightharpoonup 2 \cdot CO_{2}(g) + 4 \cdot H_{2}O(l)

4 0
3 years ago
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