Determine the amount of heat, in kJ, required to heat 26 g of liquid Ca at 851C to 1146 C. Melting Point = 851C Boiling Point 1487C Molar Heat Capacities: Csolid = 26.2 J/mol C C liquid = 31.0 J/molC AH_fusion = 9.33 kJ/mol ΔΗ_vaporization = 162 kJ/mol

The specific heat of H2O is 4.184 J/g°C. The ΔHfus of H2O is 334 J/g. The ΔHvap of H2O is 40.7 kJ/mol. How much heat energy is required to bring 1.55 kg ice at -2.00 °C to steam at 135 °C?

The following information is given for n-pentane, C5H12, at 1atm: AHvap(36.2 °C) = 25.8 kJ/mol boiling point specific heat liquid = 36.2 °C = 2.28 J/g °C At a pressure of 1 atm, normal boiling point of 36.2 °C. kJ of heat are needed to vaporize a 25.5 g sample of liquid n-pentane at its

2. Calculate the amount of energy (in kilojoules) needed to heat 346 g of liquid water from 0°C to 182°C. Assume that the specific heat of water is 4.184 J/gᵒC over the entire liquid range and that the specific heat of steam is 1.99 J/gᵒC. (AHvap = 40.79 kJ/mol for water)

1. Calculate the amount of heat that must be absorbed by 10.0 gram of ice at -20C to convert it to liquid water at 60.0C. Given: Specific heat (ice) = 2.1 J/g.C Specific heat (water) = 4.18 J/g-C Hfus = 6.0 kJ/mol or 334 J/g

vapor pressure of water is given by lnP= A-4880/T the heat of vaporization of water at 100c is 538cal/g please calculate the volume of 1g of water vapor at 1 atm and 100c

Determine the amount of heat, in kJ, required to heat 19 g of solid Ca at 125 C to 851C (still solid). Melting Point = 851C Boiling Point = 1487C Molar Heat Capacities: Csolid = 26.2 J/mol C C liquid = 31.0 J/molC AH_fusion = 9.33 kJ/mol AH_vaporization = 162 kJ/mol

In what phase is CO₂ at 72 atm and 0 °C? 2 liquid gas solid Starting from the same point, 72 atm and 0 °C, what phase change would eventually result from a decrease in pressure? O melting O freezing O deposition sublimation O vaporization condensation Pressure (atm) 5.11 1.0 solid -78.5 -56.4 liquid Temperature (°C) gas 1 31.1

The following information is given for benzene, C6H6, at 1atm: AHvap(80.1 °C) = 30.7 kJ/mol boiling point = 80.1 °C specific heat liquid = 1.74 J/g°C At a pressure of 1 atm, boiling point of 80.1 °C. kJ of heat are needed to vaporize a 40.2 g sample of liquid benzene at its normal