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3 years ago

What type of bonding occurs in potassium oxide, k2o?

Chemistry

1 answer:

Naya [18.7K]3 years ago

6 0

Would be considered as an iconic bond.

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A solution with a pH of 11 has a [H+] of: 11

Lera25 [3.4K]

It’s B. 1 x 10-11

Explanation:

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4 years ago

Color change is most indicative of which type of chemical reaction?

makvit [3.9K]

Answer; chemical reaction

4 0

3 years ago

Air pollution that forms from the interaction between chemicals in the air and sunlight

Bas_tet [7]

Answer:

This process is called Photochemical smog

Explanation:

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3 years ago

A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C. What is the volume of the

alexdok [17]

Answer : The volume of the bubble is, 625 mL

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

$\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}$

where,

$P_1$ = initial pressure of gas = 2.4 atm

$P_2$ = final pressure of gas = 1.0 atm

$V_1$ = initial volume of gas = 250 mL

$V_2$ = final volume of gas = ?

$T_1$ = initial temperature of gas = $15^oC=273+15=288K$

$T_2$ = final temperature of gas = $27^oC=273+27=300K$

Now put all the given values in the above equation, we get:

$\frac{2.4atm\times 250mL}{288K}=\frac{1.0atm\times V_2}{300K}$

$V_2=625mL$

Therefore, the volume of the bubble is, 625 mL

7 0

3 years ago

Definition of proton and example

gtnhenbr [62]

Answer:

An elementary particle that is identical with the nucleus of the hydrogen atom, that along with the neutron is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electron.

Example:

The nucleus of a hydrogen atom or the H+ ion is an example of a proton. Regardless of the isotope, each atom of hydrogen has 1 proton; each helium atom contains 2 protons; each lithium atom contains 3 protons and so on.

3 0

3 years ago