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cupoosta [38]
2 years ago
11

Plz answer asap The number of moles in 5.82 x 10^22 sulfate ions (SO4^2-)

Chemistry
1 answer:
Elden [556K]2 years ago
3 0

Answer:

i don't know sorry

Explanation:

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Calculate the volume of this irregular solid to the nearest cubic centimeter​
EleoNora [17]

Answer:

8 cm3

Explanation:

The volume of this irregular solid will calculated as the difference between the final volume and the initial volume;

The final volume of the water and the solid is 25 ml

The initial volume of the water alone was 17 ml

The volume of the irregular solid is thus approximately;

25 - 17 = 8 ml

We then use the conversion;

1 cm3 = 1 mL

Thus the volume of the solid is 8 cm3

6 0
3 years ago
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FrozenT [24]

Answer:

a. A beta particle has a negative charge. d. A beta particle is a high-energy electron.

Explanation:

Identify the correct descriptions of beta particles.

a. A beta particle has a negative charge. YES. A beta particle is originated in the following nuclear reaction: ¹₀n ⇒ ¹₁H + ⁰₋₁e (beta particle.)

b. A beta particle contains neutrons. NO. It is a electron originated in the nucleus.

c. A beta particle is less massive than a gamma ray. NO. Gamma rays don't have mass while a beta particle has a mass which is half of one thousandth of the mass of a proton.

d. A beta particle is a high-energy electron. YES. Beta particles are nuclear originated hig-energy electrons.

6 0
3 years ago
WORTH 20 POINTS PLZZZ HELP WILL GIVE BRANLIEST PLZZZ
inna [77]

Answer: P represents electrical energy, Q represents thermal energy.

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8 0
3 years ago
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What is chromatography usese of chromatography ?​
victus00 [196]

Explanation:

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5 0
3 years ago
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alexdok [17]
It can change the phase of matter. The rest of the answers are chemical changes but increasing temperature indices a physical change which is only found in the first choice
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