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3 years ago

Please help me fast

Chemistry

1 answer:

Mkey [24]3 years ago

7 0

Answer:

1..) The property by the virtue of which the metals can be beaten into sheets.

Malleability.

2.

I.Reaction of iron with copper sulphate solution

ii.

Iron metal displaces copper from its compound copper sulphate and forms iron sulphate along with copper metal. This reaction is a displacement reaction.

Reaction:

Fe(Iron)+CuSO4(Copper Sulphate)-------FeSO4(Ferrous Sulphate)+Cu(Copper)

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2 years ago

3) During the day at 27°C a cylinder with a sliding top contains 20.0 liters

tatiyna

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Explanation:

Hello there!

In this case, according to the Charles' law equation which help us to understand the directly proportional relationship between volume and temperature:

$\frac{T_2}{V_2}=\frac{T_1}{V_1}$

Thus, by solving for the final temperature, T2, and making sure we use the temperatures in Kelvin, we can calculate the final temperature as shown below:

$T_2=\frac{T_1V_2}{V_1} \\\\T_2=\frac{(27+273)K*19L}{20.0L}\\\\T_2=285-273\\\\T_2=12\°C$

Best regards!

4 0

2 years ago

Please help me fast ​

Please help me fast