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3 years ago

Sulphur +_________ gives ➙ sulphur oxide

Chemistry

2 answers:

matrenka [14]3 years ago

8 0

Sulfur plus oxygen makes sulfur dioxide. No such thing as sulfur oxide

Luba_88 [7]3 years ago

3 0

Answer:

Sulphur + oxygen gives ➙ Sulphur oxide

Explanation:

Sulfur oxide is a compound that consists of sulfur and oxygen molecules. I hope this helps!

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How many moles are there in 1.505 X 1024 molecules of water, H2O?

KATRIN_1 [288]

Answer:

2.5 moles

Explanation:

Nᴀ=6.02×10²³ (constant)

n=N/Nᴀ=

$= \frac{1.505 \times 10 ^{24} }{ {6.02 \times 10}^{23} } = 2.5 \: moles$

5 0

3 years ago

What is the molarity of a 250.0 milliliter aqueous solution of sodium hydroxide that contains 15.5 grams of solute

tensa zangetsu [6.8K]

There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. The concentration of the solution is calculated as follows:

Molarity = 15.5 g NaOH (1 mol NaOH / 40 g NaOH) / .250 L solution

Molarity = 1.55 M

5 0

3 years ago

Mars is known as the ____ planet. A) Blue B) Gaseous C) Red D) Sandy

Leni [432]

Answer:

Of course it's C

Red planet

Explanation:

It is because the soil on Mars is rich of Fe (Iron).

That makes the soil look red.

Even on our planet we have such this places like hormuz island in Iran.

5 0

3 years ago

Which force is most responsible for binding together an atom’s protons and neutrons?

vampirchik [111]

Answer:

Hello There!!

Explanation:

I believe the answer is nuclear.

hope this helps,have a great day!!

~Pinky~

3 0

3 years ago

Read 2 more answers

Consider the reaction. PCl5(g)↽−−⇀PCl3(g)+Cl2(g) K=0.042 The concentrations of the products at equilibrium are [PCl3]=0.18 M and

tatyana61 [14]

Answer: The equilibrium concentration of $PCl_5$ is 1.285 M.

Explanation:

The chemical equation for the decomposition of phosphorus pentachloride follows:

$PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)$

The expression for equilibrium constant is given as:

$K_c=\frac{[PCl_3][Cl_2]}{[PCl_5]}$

We are given:

$K_c=0.042$

$[PCl_3]=0.18M$

$[Cl_2]=0.30M$

The concentration of solid substances are taken to be 1. Thus, they do not appear in the equilibrium constant expression.

Putting values in above equation, we get:

$0.042=\frac{0.18\times 0.30}{[PCl_5]}$

$[PCl_5]=1.285$

Hence, the equilibrium concentration of $PCl_5$ is 1.285 M.

6 0

3 years ago