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strojnjashka [21]
3 years ago
11

Most substances can exist as a solid, liquid, or gas depending on ? ( science

Chemistry
2 answers:
earnstyle [38]3 years ago
3 0

Answer:

The amount of energy in molecules of matter determines the state of matter.

Explanation:

The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of several different states, including gas, liquid, or solid-state.

Tju [1.3M]3 years ago
3 0

Answer:

The state of a substance depends on the space between its particles and on the way in which the particles move. The more solid it is the tighter the particles.

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Help please? I can't figure out earth science​
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Explain why the electron configuration of 2-3-1 represents an atom in an excited state?
baherus [9]

Answer:

See explanation

Explanation:

If we look at the electron configuration closely, we will discover that the element must have had a ground state electron configuration of 2,4.

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6 0
3 years ago
1.825 gm HCl is dissolved in 250 ml solution. What is the pH of that solution? Please answer with the explanation.
dolphi86 [110]

The first step is calculating the number of HCl moles. The molar mass of HCl is AH+ACl which is 1+35,5=36,5 g/mole. The formula for the pH is -lg[H+] where [H+] is the molar concentration of protons in the solution. To find the molar concentration we need to divide the number of moles by the volume(L).

We get the number of moles by dividing the mass given in the problem to the molar mass of the compound.1.825/36.5=0.05 moles of HCl so 0.05 moles of

H+.Molarity=n/V=0.05/0.25=0.2moles/liter.The pH is -lg0.2=2.321.

3 0
3 years ago
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