A 0.500 grams sample of n-heptane(1) burned in a constant volume calorimeter to CO,(g) and H,0(1) causes a temperature rise of 2.934°C. If the heat capacity of the calorimeter and its accessories is 1954cal/°C, and the mean temperature of the calorimeter is 25°C, calculate: (1) The heat of combustion per mole of the heptane at constant volume

Q: 5. Cite the (1) phases that are present and (2) the phase compositions for the following alloys.…

A: a) 90wt% Zn - 10wt% Cu at 400ocb) 2.12Kg Zn and 1.88 Kg Cu at 500oc

Q: Compare the standard heat of combustion at 6 moles of CH3OH(g) at 25 C with the standard heat of…

A: The combustion reaction of CH3OH is as follows:

Q: a) Ethanol (C2H:OH) melts at -114°C and boils at 78 °C. The enthalpy of fusion of ethanol is 5.02…

A: Given, Mass of ethanol =42g

Q: 1.11 Ethane at 10 MPa and 100°C is heated at constant pressure until its volume has increased by…

A: (a) Write the relation between temperature and volume at constant pressure process as follows: T1V1…

Q: 3B.1(b) Calculate AStot when two iron blocks, each of mass 1 5 °C, are placed in contact in an…

A:

Q: What amount of energy must be removed to cool 3.00 moles of liquid ethanol at 35°C to -55°C?

A: moles of ethanol n = 3 T1 = 35 oC = 308 K T2 = -55 oC = 218 K

Q: steady-flow process.

A:

Q: External: If you know that the heat of combustion of butane C4H10 is equal to 879 kJ/mol when it…

A: Given:Heat of combustion of butane (C₄H₁₀) when producing CO₂ and liquid water: 879 kJ/molHeat of…

Q: EXAMPLE: Use the heat of solution data in Appendix I to determine the heat transferred per mole of…

A:

Q: 11.7-2. Boiling Point, Dew Point, and Flash Vaporization. Following is the composition of a liquid…

A: The boiling point is where the vapor composition pressure is equal to the surrounding pressure of…

Q: A food product containing 82% moisture content is being frozen. Estimated specific heat of the…

A: Moisture content = 82% Moisture content is being frozen = 75 % Specific heat of the dry product = 2…

Q: Calculate the heat required to raise 11b mole of 1-butene at 600°F to 1000°F. Given that Cp=3.909…

A: Heat required to raise the temperature of I-butane is to be calculated. Given: Moles of I-butane, n…

Q: Once the methanol has reached its boiling point, it must be vaporized. Themolar enthalpy of…

A: Given: The enthalpy of vaporization for methanol is ∆Hvap = 38 kJ/mol The amount of heat (Q)…

Reactive Processes

Reactive processes are the processes in which any reaction occurs. The reactions can be any combination reaction, decomposition reaction, combustion reaction, oxidation reaction, reduction reaction, neutralization reaction, displacement reaction, or double displacement reaction.