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Aleksandr-060686 [28]
3 years ago
12

When a match is lit, sulfur (S8) reacts with oxygen to release energy and form sulfur dioxide, SO2. Write the balanced equation

for this reaction.
Chemistry
1 answer:
beks73 [17]3 years ago
8 0

Answer: S8 + 8O2 => 8SO2

Explanation: The equation is now balanced. Both Sulfur have 8 atoms in the reactant and product side. Oxygen have 16 atoms on each side.

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2NO (g) + O2 (g) →2NO2 (g) At equilibrium [NO] = 2.4 × 10 -3 M, [O2] = 1.4 × 10 -4 M, and [NO2] = 0.95 M.
azamat

Answer:

K=1.12x10^9

Explanation:

Hello there!

Unfortunately, the question is not given in the question; however, it is possible for us to compute the equilibrium constant as the problem is providing the concentrations at equilibrium. Thus, we first set up the equilibrium expression as products/reactants:

K=\frac{[NO_2]^2}{[NO]^2[O_2]}

Then, we plug in the concentrations at equilibrium to obtain the equilibrium constant as follows:

K=\frac{(0.95)^2}{(0.0024)^2(0.00014)}\\\\K=1.12x10^9

In addition, we can infer this is a reaction that predominantly tends to the product (NO2) as K>>>>1.

Best regards!

4 0
3 years ago
What is the percent by mass of carbon in acetone c3h6o
Volgvan

Well, the molar mass of acetone would be

3(12.011)+6(1.008)+15.999 , which cleans up to be 58.08 grams.

out of this total, 3(12.011), or 36.033 grams are carbon

So, to find the percent, you do part over whole

36.033/58.08, which equals 0.6204 with significant figures

multiply that by 100 to get 62.04%

Hope that helps!

7 0
3 years ago
Read 2 more answers
The natural abundance of 3he is 0.000137 %. how many protons, neutrons, and electrons are in an atom of 3he?
jok3333 [9.3K]
2 protons+, 1 neutron, and 2electrons-
3 0
4 years ago
What does 3.98 g/cm”3 equal
Elenna [48]

Answer:

ρ = 1000 kg/m3

Explanation:

8 0
4 years ago
How many liters of HF can be made from 50.0 g of a 12.0M HF solution
aliina [53]

Answer:

Explanation:

The first thing we calculate are the moles: (50.0 g)/(20.0063 g/mol) =2.5 moles  

Then we use the inverse formula for the molarity: (2.5 mol)/(12.0 M) = 0.208 L

My bad, I pressed the wrong button for answer!

5 0
3 years ago
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