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3 years ago

ILL GIVE BRAINLIEST I NEED THE ANSWER RIGHT AWAY PLEASE SOMEONE

Chemistry

1 answer:

Archy [21]3 years ago

5 0

Answer:

ILL GIVE BRAINLIEST I NEED THE ANSWER RIGHT AWAY PLEASE SOMEONE

For each of the following processes that show the formation of ions, complete the process by indicating

the number of electrons that must be gained or lost

to form the ion. Indicate the total number of electrons in the ion, and in the atom from which it was

made.

a. Al S Al3 d. F S F

b. S S S2 e. Zn S Zn2

c. Cu S Cu f. P S P3

77. For each of the following atomic

Explanation:

ILL GIVE BRAINLIEST I NEED THE ANSWER RIGHT AWAY PLEASE SOMEONE

For each of the following processes that show the formation of ions, complete the process by indicating

the number of electrons that must be gained or lost

to form the ion. Indicate the total number of electrons in the ion, and in the atom from which it was

made.

a. Al S Al3 d. F S F

b. S S S2 e. Zn S Zn2

c. Cu S Cu f. P S P3

77. For each of the following atomic

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3 years ago

A 275 g sample of a metal requires 10.75 kJ to change its temperature from 21.2 oC to its melting temperature, 327.5 oC. What is

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Answer:

$c=0.127\ J/g^{\circ} C$

Explanation:

Given that,

Mass of the sample, m = 275 g

It required 10.75 kJ of heat to change its temperature from 21.2 °C to its melting temperature, 327.5 °C.

We need to find the specific heat of the metal. The heat required by a metal sample is given by :

$Q=mc\Delta T$

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$c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{10.75\times 10^3\ J}{275\times (327.5 -21.2)}\\\\=0.127\ J/g^{\circ} C$

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2 years ago