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Author Question: Give the reason that antifreeze is added to a car radiator. (Read 190 times)

bobypop

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on: Nov 18, 2019

Question 1

Determine the boiling point of a solution that contains 78.8 g of naphthalene (C10H8, molar mass = 128.16 g mol-1) dissolved in 722 mL of benzene (d = 0.877 g mL-1). Pure benzene has a boiling point of 80.1 °C and a boiling point elevation constant of 2.53 °C m-1.
◦ 2.2 °C
◦ 82.6 °C
◦ 2.5 °C
◦ 80.4 °C
◦ 82.3 °C

Question 2

Give the reason that antifreeze is added to a car radiator.
◦ The freezing point and the boiling point are lowered.
◦ The freezing point is lowered and the boiling point is elevated.
◦ The freezing point and the boiling point are elevated.
◦ The freezing point is elevated and the boiling point is lowered.
◦ None of the above.
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by bobypop on Nov 18, 2019

Jane

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Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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bobypop

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Reply 2 on: Nov 18, 2019
Excellent

nguyenhoanhat

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Reply 3 on: Yesterday
Gracias!

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