Calculate how much energy (kJ) is required to heat a bottle containing 300 mL of liquid water from room temperature (20 ¬¨¬®‚Äö√†√ªC) to its normal boiling point (100 ¬¨¬®‚Äö√†√ªC), while still remaining a liquid.$

Calculate how much energy (kJ) is required to heat a bottle containing

1.	Calculate how much energy (kJ) is required to heat a bottle containing 300 mL of liquid water from room temperature (20 ¬¨¬®‚Äö√†√ªC) to its normal boiling point (100 ¬¨¬®‚Äö√†√ªC), while still remaining a liquid.$
A.	104.4 kJ
B.	100.4 kJ
C.	140.4 kJ
D.	104.5 kJ
Answer» C. 140.4 kJ

Discussion

No Comment Found

Related MCQs

50 g benzaldehyde vapour is condensed at 179°C, What is the enthalpy of the liquid relative to the vapour?Given: The molecular weight of benzaldehyde is 106.12, the normal boiling point is 179.0°C and the standard heat of vaporization is 38.40 kJ gmol-1. For condensation the latent heat is – 38.40 kJ gmol-1.
Processes for phase change of vapour to liquid is called?
What is the enthalpy of 130 g formic acid at 70°C and 1 atm relative to 25°C and 1 atm?Cp for formic acid in the temperature range of interest is 0.524 cal g-1 °C-1.
Estimate the following properties of humid air at 41°C and 10% relative humidity:Absolute humidity = 0.0048 kg H2O/ kg DAWet-bulb temperature = 19°CHumid volume = 0.895 M3/ kg DADew point = 3°CSpecific enthalpy = 54.2 – 0.7 = 53.5 kJ/ kg DAWhat is the amount of water in 150 m3 of air at these conditions?
Calculate ΔH for a process in which 2.0 mole of NaOH is dissolved in 400 mol H2O at 25C.($\Delta \hat{H}_{s}$ at r = 200, 25°C is – 42.26 kJ/ mol)
Calculate how much energy (kJ) is required to heat a bottle containing 300 mL of liquid water from room temperature (20 °C) to its normal boiling point (100 °C), while still remaining a liquid.
Acetone (denoted as Ac) is partially condensed out of a gas stream containing 66.9 mole % acetone vapor and the balance nitrogen. Process specifications and material balance calculations lead to the flowchart shown below.The process operates at steady state. Calculate the required cooling rate.Reference states for acetone and nitrogen are-N2 (g, 25°C, 1 atm), Ac (l, 20&degC, 5 atm)
The symbol “Û” refers to?
Heat transferred to raise or lower the temperature of a material is called Specific heat.
WHAT_IS_THE_ENTHALPY_OF_130_G_FORMIC_ACID_AT_70¬¨¬®‚ÄÖ√†√ªC_AND_1_ATM_RELATIVE_TO_25¬¨¬®‚ÄÖ√†√ªC_AND_1_ATM??$#

Calculate how much energy (kJ) is required to heat a bottle containing 300 mL of liquid water from room temperature (20 ¬¨¬®‚Äö√†√ªC) to its normal boiling point (100 ¬¨¬®‚Äö√†√ªC), while still remaining a liquid.$

Discussion

No Comment Found

Related MCQs

Reply to Comment