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kramer
3 years ago
5

What is the new volume if a piston starts at 25ml and 900 mm Hg and the pressure decreases to 750 mm Hg?

Chemistry
1 answer:
Oliga [24]3 years ago
8 0

Answer:

I screenshot and expained here

https://screenshot.best/A7QIKV.lnk

Explanation:

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NO FILES PLZ HELP
marta [7]
The answer is A …a …a … I think
3 0
3 years ago
Read 2 more answers
Please help!-- 20 pts!
lubasha [3.4K]

Answer: The positively charged ions will be attracted to the negative electrode and gain electrons. Meanwhile, the negatively charged ions will be attracted to the positive electrode and release electrons.

Explanation:

Electrolysis is breaking down of a substance into its constituents by the action of electrical current.  

LiCl\rightarrow Li^++Cl^-

Cations wich are positively charged specie moves towards the negatively charged electrode that is towards the cathode. On reaching cathode, cations accepts electrons and get reduced through reduction reaction.

Li^++e^-\rightarrow Li

Anions wich are negatively charged specie moves towards the positively charged electrode that is towards the anode. On reaching anode, anions donate electrons and get oxidized through oxidation reaction.

Cl^-\rightarrow Cl+e^-

5 0
3 years ago
Read 2 more answers
To what volume should you dilute 134 mL of an 8.00 M CuCl2 solution so that 48.0 mL of the diluted solution contains 5.89 g CuCl
Tom [10]

Answer:

Explanation:

Number of moles of CuCl2 initially present = volume * molar concentration

= 0.134 * 8

= 1.072 mol.

Molar mass of CuCl2 = 63.5 + (2*35.5)

= 134.5 g/mol

Mass of CuCl2 = molar mass * number of moles

= 134.5 * 1.072

= 144.184 g

Mass of CuCl2 in 48 ml = 5.89 g in 48 ml

Volume = 5.89 * (48/144.184)

= 1.96 ml.

4 0
3 years ago
Please help due today!
Oksana_A [137]

Answer:

it’s 2

Explanation:

yesssss

5 0
3 years ago
What is the fraction of the hydrogen atom's volume that is occupied by the nucleus? the bohr radius is 0.529×10−10m?
Arturiano [62]

Volume of a sphere = 4/3 x pi x r^3

When put a fraction of volume constant 4/3 x pi cancels out.

So only cube of radii remains.

Radius of proton = 10^-15 m (Fact; remember it)

Radius of total Hydrogen atom = 0.529 × 10^−10 m

Fraction of Volumes : R'^3/R^3 = (R/R)^3

Fraction = ((10^-15)/(0.529 × 10^−10m.))^3= (1/52900)^3 =

6.755 x 10^-15

6 0
3 years ago
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