Thực hiện chuỗi phản ứng sau: CaCO, CaO CaSO, SO₂ → K₂50₂

Chemistry

1 answer:

lesantik [10]3 years ago

4 0

Answer:

nnhnhgnklhnhmkghklmfmg

Explanation:

cvgngh kcvl vl gkh kn hg

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What is the Celsius temperature of 1 mole of a gas that has an average kinetic energy of 3,866 joules?

Anna [14]

Temperature can be calculated using the average kinetic energy. The ideal gas equation is being related to the average molecular kinetic energy.

PV = nRT
PV = (2/3) N(0.5mv^2)

By substituting and simplifying, we eventually get the equation.

KE = (3/2)RT
T = 3866 x 2 / 8.3145 x 3 = 309.98 K or 36.83 degrees Celsius

6 0

4 years ago

Phosphorus pentachloride reacts with water to form hydrochloric acid and phosphoric acid. How many total moles of acid are forme

klio [65]

Answer:

0,13 moles of acid are produced

Explanation:

The reaction of the problem is:

PCl₅ + 4H₂O → 5HCl + H₃PO₄

Based on the reaction, 1 mole of PCl₅ produces 6 moles of acid (5 moles of HCl + 1 mole of H₃PO₄).

The molecular mass of PCl₅ is:

1P = 30,97g/mol + 5Cl = 5×35,45g/mol = 208,24 g/mol

That means 4,5g of PCl₅ are:

4,5g PCl₅×(1mol / 208,24g) = 0,0216 moles of PCl₅. As 1 mole of PCl₅ produces 6 moles of acid, 0,0216 moles of PCl₅ produce:

0,0216 moles PCl₅ × (6 moles acid / mole of PCl₅) =

0,13 moles of acid are produced

I hope it helps!

3 0

3 years ago

Why can't 1−methylcyclohexanol be prepared from a carbonyl compound by reduction? select the single best answer?

forsale [732]

1−methylcyclohexanol is a tertiary alcohol. Tertiary Alcohols are synthesized by either reacting Ketone with Organometallic compounds like Grignard reagent or by hydration of substituted alkenes. 1−methylcyclohexanol can not be synthesized by reduction of carbonyl compound because it is not possible to have a starting carbonyl compound having carbonyl group along with three other alkyl groups (as carbon can only form 4 bonds).

Result:
Tertiary alcohols don't contain a hydrogen atom at carbon attached to hydroxyl group that is why it is not possible to synthesize 1−methylcyclohexanol by reduction of carbonyl compound.