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noname [10]
3 years ago
15

Please help me balance this equation it's hard CS2(l) + O2(g) → CO2(g) + SO2(g)

Chemistry
2 answers:
xenn [34]3 years ago
8 0
CS₂ + 3O₂ = CO₂ + 2SO₂

CS₂→2S,1C→6O→3O₂
vekshin13 years ago
6 0

Answer: CS_2(l)+3O_2(g)\rightarrow CO_2(g)+2SO_2(g)

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical equation is :

CS_2(l)+3O_2(g)\rightarrow CO_2(g)+2SO_2(g)

where (l) represents liquid state and (g) represents gaseous state.

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In nature, oxygen has three common isotopes. The atomic masses and relative abundances of these isotopes are given in the table
Vaselesa [24]

Answer: The average atomic mass of oxygen is 15.999 amu

Explanation:

Mass of isotope O-16 = 15.995 amu

% abundance of isotope O-16= 99.759 % = \frac{99.759}{100}=0.99759

Mass of isotope O-17 = 16.995 amu

% abundance of isotope O-17 = 0.037% = \frac{0.037}{100}=0.00037

Mass of isotope O-18 = 17.999 amu

% abundance of isotope O-18 = 0.204% = \frac{0.204}{100}=0.00204

Formula used for average atomic mass of an element :

\text{ Average atomic mass of an element}=\sum(\text{atomic mass of an isotopes}\times {{\text { fractional abundance}})

A=\sum[(15.995\times 0.99759)+(16.995\times 0.00037)+(17.999 \times 0.00204)]

A=15.999

Thus the average atomic mass of oxygen is 15.999 amu

5 0
3 years ago
What does the law of conservation of energy state about energy in a closed system?
dezoksy [38]

Answer:

Energy cannot be created or destroyed.

Explanation:

According to the law of conservation of energy, energy can neither be created nor it can be destroyed. Energy can only be transformed from one matter to another. The conservation of energy remains constant in an isolated system. The law is applicable in the system that does not exchange energy in the environment. Energy changes its form but remains constant.

4 0
3 years ago
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Nacl is a formula unit made of 1 sodium (Na) atom and 1 chlorine (Cl) atom. What is the average mass of 1 molecule of NacI?
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The average mass is 58.44 g

8 0
3 years ago
If the pOH of a solution is 9.1, what is the concentration of OH- ions in that solution?
Amiraneli [1.4K]

Answer:

7.9432*10^-10 or 10^-9.1

Explanation:

pOH=-log[OH]

4 0
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Which of the following would double the pressure on a contained gas at constant temperature? A. doubling the volume of the conta
lesantik [10]
A. Doubling the volume of the container
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4 years ago
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