3 years ago

Question 911 point)

Chemistry

1 answer:

andrew-mc [135]3 years ago

8 0

Copper 2

Just like you how you would say Cu(I) as copper one, you would say Cu(II) as copper two. Nothing fancy.

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A cylinder is filled with 10.0L of gas and a piston is put into it. The initial pressure of the gas is measured to be 96.0kPa. T

Norma-Jean [14]

Answer:

The final pressure of the gas is:- 21.3 kPa

Explanation:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 10.0 L

V₂ = 45.0 L

P₁ = 96.0 kPa

P₂ = ?

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${96.0\ kPa}\times {10.0\ L}={P_2}\times {45.0\ L}$

${P_2}=\frac {{96.0}\times {10.0}}{45.0}\ kPa$

${P_2}=21.3\ kPa$

The final pressure of the gas is:- 21.3 kPa

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beks73 [17]

Answer:

No. No new substance is formed during Physical change.

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Thepotemich [5.8K]

C is the correct answer (CaF2) (sorry dont have subscript)

Explanation: synthesis reaction forms a compound and calcium reacting with fluorine produces Calcium Fluoride (CaF2) chemical name

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<span>gives you dairy products
helps fight disease
helps digest food
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4 years ago

Need help with this can someone help me pls the word box are words your supposed to use. Will mark brainiest btw

dybincka [34]

Your Welcome.

How about let's just forget about that other stuff and be friends?

And my internet connection isn't very good so I can't see the pictures.

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