Engine coolant for cars is made of a solution of ethylene gl…

Engine coolant for cars is made of a solution of ethylene glycol. If 27.7 g of ethylene glycol release 688 J of heat to finish at a temperature of 32.5 °C, what was the initial temperature?  The specific heat capacity of ethylene glycol is 2.42 J/g°C. Must show your work (scratch paper) to receive credit. 

Calculate the ∆H°f for benzene (C6H6) from the following dat…

Calculate the ∆H°f for benzene (C6H6) from the following data: ∆H°fCO2 = – 393.5 kJ/mol∆H°fH2O = – 285.8 kJ/mol 2 C6H6(l)  +  15 O2(g) → 12 CO2(g) + 6 H2O(l)        ∆ Hrxn= -6534 kJMust show your work (scratch paper) to receive credit.

Calculate the ∆H°f for benzene (C6H6) from the following dat…

Calculate the ∆H°f for benzene (C6H6) from the following data: ∆H°fCO2 = – 393.5 kJ/mol∆H°fH2O = – 285.8 kJ/mol 2 C6H6(l)  +  15 O2(g) → 12 CO2(g) + 6 H2O(l)        ∆ Hrxn= -6534 kJMust show your work (scratch paper) to receive credit.

Engine coolant for cars is made of a solution of ethylene gl…

Engine coolant for cars is made of a solution of ethylene glycol. If 27.7 g of ethylene glycol release 688 J of heat to finish at a temperature of 32.5 °C, what was the initial temperature?  The specific heat capacity of ethylene glycol is 2.42 J/g°C. Must show your work (scratch paper) to receive credit.