How do you solve for x?

Chemistry

1 answer:

Ad libitum [116K]3 years ago

3 0

Answer:

substitution is the best method or collecting like terms

Explanation:

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Given: h2o(aq) + h2o(l) h3o+(aq) + oh–(aq) δh°rxn > 0 when the temperature of a sample of pure water is raised above 25°c,

sesenic [268]

When Δ H > 0 that means this is an endothermic reaction, and we can assume heat as one of the reactants. SO when the temperature increases so the reaction will move rightward to decrease the reactants and increase the products and as the products increase it will make the Kw increase also as
Kw = [Products] /[reactants].

So our answer will be: the value of Kw will increase.

7 0

3 years ago

The ph of water is _____ because it contains an equal amount of h and oh- ions.

gtnhenbr [62]

The PH of water is 7 because it contains an equal amount of h and oh- ions.

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3 years ago

How is Oxygen -18 different from oxygen -16?

Oksanka [162]

A O-18 has 2 more neutrons than O-16

<h3>Further explanation</h3>

Oxygen is located in group 16 in the p block which has the atomic number 8

In the atomic symbol (neutral), the atomic number indicates the number of electrons and protons. while the number of neutrons is obtained from the difference between the mass number and the atomic number.

The isotope will have the same number of protons (atomic number) but a different mass number

Isotopes of oxygen include: O-18 and O-16

$\tt _8^{18}O~\rightarrow neutron=18-8=10,proton=8\\\\_8^{16}O\rightarrow neutron=16-8=8,proton=8$