3 years ago

List a mixture that can be separated by fractional distillation

Chemistry

1 answer:

vivado [14]3 years ago

5 0

Separation of components of crude oil

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Misha Larkins [42]

Answer:

37.

Explanation:

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3 years ago

When elements form bonds, it changes their ______ properties.<br>The answer is..?

Arturiano [62]

Answer:

chemical and physical

6 0

3 years ago

Which of the following is a strong electrolyte

Ilya [14]

A strong electrolyte is completely ionized. Ex: NaCl --h2o--> Na^+(aq) + Cl^-(aq)

6 0

3 years ago

At a given temperature, the elementary reaction A − ⇀ ↽ − B , in the forward direction, is first order in A with a rate constant

ZanzabumX [31]

Answer:

0.24

Explanation:

We are given that

Rate constant for A= $k=0.0180/s$

Rate constant for B,k'=0.0750/s

We have to find the value of equilibrium constant for the reaction

$A\rightleftharpoons B$

Equilibrium constant, for k= $\frac{k}{k'}$

Using the formula

$k=\frac{0.0180}{0.0750}=0.24$

Hence, the value of the equilibrium constant for the reaction

$A\rightleftharpoons B$ at this temperature=0.24

4 0

3 years ago

Which correctly describes the reaction between potassium and excess water?

nika2105 [10]

Balanced chemical reaction: 2K(s) + 2H₂O(l) → 2KOH(aq) + H₂(g).

KOH is inorganic compound p<span>otassium hydroxide, a strong base.
H</span>₂ is hydrogen gas.
In balanced chemical reaction number of atoms on both side of chemical reaction must be same. There are two potassium atoms, four hydrogen atoms and two oxygen atoms on both side of reaction.

7 0

3 years ago