Chemistry Homework Help

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Energy, Heat and Temperature

#### Q. Consider the reaction Mg(s) + Fe^2+(aq) → Mg^2+(aq) + Fe(s) at 47°C, where [Fe^2+] = 3.10 M and [Mg^2+] = 0.310M What is the value for the temperature, T, in kelvins? Express your answer to three significant figures and include the appropriate units.

Solved • Apr 6, 2020

Energy, Heat and Temperature

#### Q. Consider the reaction Mg(s) + Fe^2+ (aq) → Mg^2+(aq) + Fe(s) at 69 °C, where [Fe^2+] = 3.40 M and [Mg^2+] = 0.110 M. What is the value for the temperature, T, in kelvins? Express your answer to three significant figures and include the appropriate units.

Solved • Mar 7, 2020

Energy, Heat and Temperature

#### Q. Consider the reaction Mg(s) + Fe^2+(aq) → Mg^2+(aq) + Fe(s) at 65 °C, where [Fe^2+] = 3.30 M and [Mg^2+] = 0.310 M. What is the value for the temperature, T, in kelvins? Express your answer to three significant figures and include the appropriate units.

Solved • Mar 5, 2020

Energy, Heat and Temperature

#### Q. Consider the reaction Mg(s) + Fe^2+(aq) → Mg^2+(aq) + Fe(s) at 63 °C, where [Fe62+] = 2.90 M and [Mg62+] = 0.110 M. What is the value for the temperature, T, in kelvins? Express your answer to three significant figures and include the appropriate units.

Solved • Mar 4, 2020

Energy, Heat and Temperature

#### Q. Which of the following is the highest temperature? A) 38℃ B) 96℉ C) 302K D) None of the above

Solved • Mar 16, 2020

Energy, Heat and Temperature

#### Q. How much heat energy is needed to vaporize 4.50 g water at the normal boiling point if the enthalpy of vaporization is 40.0 kJ/mol?

Solved • Feb 23, 2020

Energy, Heat and Temperature

#### Q. The enthalpy of vaporization of liquid mercury is 59.11 kJ/mol. What quantity of energy as heat is required to vaporize 0.440 mL of mercury at 357 °C, its normal boiling point? The density of mercury is 13.6 g/mL. Energy=___?___KJ

Solved • Feb 4, 2020