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Mashcka [7]
3 years ago
7

What type of pressure would you expect to find at the equator?

Chemistry
1 answer:
vesna_86 [32]3 years ago
6 0
Answer: low pressure

Explanation: Air at the equator is warmer and the air above expands, becomes less dense and rises
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Suzzane has type A- blood. Which thpe of blood could she receive in a blood transfusion?
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Answer:

the correct answer is O-

Explanation:

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According to the wave-mechanical model<br> of the atom, electrons are located in
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The nucleus im pretty sure
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Consider the reaction PCl5(g) ⇌ PCl3(g) + Cl2(g). If 0.02 moles of PCl5, 0.04 moles of PCl3, and 0.08 moles of Cl2 are combined
Furkat [3]

Answer:

The reaction quotient (Q) before the reaction is 0.32

Explanation:

Being the reaction:

aA + bB ⇔ cC + dD

Q=\frac{[C]^{c} *[D]^{d} }{[A]^{a}*[B]^{b}  }

where Q is the so-called reaction quotient and the concentrations expressed in it are not those of the equilibrium but those of the different reagents and products at a certain instant of the reaction.

The concentration will be calculated by:

Concentration=\frac{number of moles of solute}{Volume}

You know  the reaction:

PCl₅ (g) ⇌ PCl₃(g) + Cl₂(g).

So:

Q=\frac{[PCl_{3} ] *[Cl_{2} ] }{[PCl_{5} ]}

The concentrations are:

  • [PCl₃]=\frac{0.04 moles}{0.5 L} =0.08 \frac{moles}{L}
  • [Cl₂]=\frac{0.08 moles}{0.5 L} =0.16 \frac{moles}{L}
  • [PCl₅]=\frac{0.02 moles}{0.5 L} =0.04 \frac{moles}{L}

Replacing:

Q=\frac{0.08*0.16}{0.04}

Solving:

Q= 0.32

<u><em>The reaction quotient (Q) before the reaction is 0.32</em></u>

4 0
3 years ago
Identify the reactants and products in the following chemical equation: Zn +2HCl --&gt; ZnCl2 + H2 *
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Answer:

A.

Explanation:

zinc and hydrochloric acid reacts to form zinc chloride and hydrogen.

hope it helps. :)

7 0
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Do the gas laws apply to liquids ?
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Answer:

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Explanation:

this is my awnser soory if it was a multiple choice question plz mark brainliest

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