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Ivan
3 years ago
11

Which two have to do with Movement of Galaxies? (pick 2)

Chemistry
1 answer:
pychu [463]3 years ago
6 0
I don’t see anything
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HELP ME! If I get an F on my test I’m getting kicked out:(
satela [25.4K]

Answer:

It is just slightly less abundant than its alkali cousin, sodium. Potassium is less dense than water, so it can float on water. However, chemically, potassium reacts with water violently. It will give off hydrogen and eventually catch fire.

3 0
3 years ago
I am confused. Can yall help me answer this question? Also if you do, please show your work.
Eva8 [605]
Answer is: <span>volume of the acid is 0,075 L.
</span>Chemical reaction: KOH + HCl → KCl + H₂O.
V(KOH) = 30 mL · 0,001 L/mL = 0,3 L.
c(KOH) = 0,5 M = 0,5 mol/L.
c(HCl) = 2 M = 2 mol/L.
V(HCl) = ?
From chemical reaction n(KOH) : n(HCl) = 1 : 1.
n(KOH) = n(HCl).
c(KOH) · V(KOH) = c(HCl) · V(HCl).
0,5M · 0,3 L = 2M · V(HCl).
V(HCl) = 0,075 L.
8 0
3 years ago
Calculate the pH of a 0.0224M HCl solution.
kap26 [50]

Answer: 1.65

Explanation:

For a 0.0224M HCl solution the concentration of the hydrogen ions,

[H+] = is 0.0224 mol/L (i.e. 0.0224 M)

pH = −log[H+]

Substituting H+ = 0.0224 into the equation

pH = - log[0.0224]

pH = 1.649

pH = 1.65

6 0
3 years ago
What kind of group 1 atoms are the most reactive? a. Small atoms c. Atoms with the most electrons in the valence level b. Large
garri49 [273]

Answer:

large atoms

Explanation:

its kinda obvious

4 0
2 years ago
Read 2 more answers
What happens to the gas particles in an an inflated ball when it gets a hole? why?
netineya [11]
The gas flows from higher concentration/pressure to lower concentration/pressure, which is outside the ball.
7 0
3 years ago
Read 2 more answers
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