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3 years ago

Chemical Reaction = A solid sodium sulfide reacts with gaseous hydrogen chloride to form sodium chloride and hydrogen gas.

Chemistry

1 answer:

blsea [12.9K]3 years ago

3 0

Answer : yes it’s correct!

Explanation:

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the chemical compound C2F4 is used to make PTEE (Teflon). How manyC2F4 molecules are in 485 kilograms of this material?

monitta

Answer:

$molecules=2.92x10^{27}moleculesC_2F_4$

Explanation:

Hello,

In this case, we use the Avogadro's number to compute the molecules of C2F4 whose molar mass is 100 g/mol contained in a 485-kg sample as shown below:

$molecules=485kgC_2F_4*\frac{1000gC_2F_4}{1kgC_2F_4} *\frac{1molC_2F_4}{100gC_2F_4}*\frac{6.022x10^{23}molecules C_2F_4}{1molC_2F_4} \\\\molecules=2.92x10^{27}moleculesC_2F_4$

Best regards,

5 0

3 years ago

Which is the largest group of mollusks?

KonstantinChe [14]

Answer:

Gastropoda.

Explanation:

3 0

3 years ago

Read 2 more answers

When a hydrochloric acid solution is combined with a potassium hydroxide solution, an acid-base reaction occurs. write a balance

Verizon [17]

Answer:

HCl(aq) + KOH(aq) ⇒ KCl(aq) + H₂O(l)

Explanation:

Hydrochloric acid is an acid because it releases H⁺ in an aqueous solution.

Potassium hydroxide is a base because it releases OH⁻ in an aqueous solution.

When an acid reacts with a base they form a salt and water. This is a neutralization reaction. The neutralization reaction between hydrochloric acid and potassium hydroxide is:

HCl(aq) + KOH(aq) ⇒ KCl(aq) + H₂O(l)

5 0

2 years ago

2567 milliliters to liters

andrew-mc [135]

Answer:

2.567 litres

Explanation:

I dont have a proper explanation sorry

6 0

2 years ago

Which contains more molecules; 1mol H2O2, 1mol C2H6, or 1mol CO?

ser-zykov [4K]

Answer:

C2H6

Explanation:

8 0

3 years ago