Question

What amount of heat (in kJ) is required to convert 25.2 g of an unknown liquid...

What amount of heat (in kJ) is required to convert 25.2 g of an unknown liquid (MM = 83.21 g/mol) at 19.2 °C to a gas at 93.5 °C? (heat capacity of liquid = 1.58 J/g･°C; heat capacity of gas = 0.932 J/g･°C; ∆Hvap = 22.5 kJ/mol; Tb = 57.3°C) Please answer with the correct significant figures.

Science   Chemistry   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Calculate the amount of heat ( in kJ) required to convert 344.0 g of liquid water...
Calculate the amount of heat ( in kJ) required to convert 344.0 g of liquid water at 22.5 oC into steam at 145.0 °C. ( Heat of vaporization of water at its boiling point = 40.7 kJ/mol., specific heats of water and steam are 4.184 J/g °C and 2.01 J/g °C, respectively. )
What amount of thermal energy (in kJ) is required to convert 220 g of ice at...
What amount of thermal energy (in kJ) is required to convert 220 g of ice at -18 °C completely to water vapour at 248 °C? The melting point of water is 0 °C and its normal boiling point is 100 °C. The heat of fusion of water is 6.02 kJ mol-1 The heat of vaporization of water at its normal boiling point is 40.7 kJ mol-1 The specific heat capacity of ice is 2.09 J g-1 °C-1 The specific heat...
What amount of thermal energy (in kJ) is required to convert 216 g of ice at...
What amount of thermal energy (in kJ) is required to convert 216 g of ice at -30 °C completely to water vapour at 198 °C? The melting point of water is 0 °C and its normal boiling point is 100 °C. The heat of fusion of water is 6.02 kJ mol-1 The heat of vaporization of water at its normal boiling point is 40.7 kJ mol-1 The specific heat capacity of ice is 2.09 J g-1 °C-1 The specific heat...
1. Calculate the amount of heat required to convert 1 g of liquid water at 67°C...
1. Calculate the amount of heat required to convert 1 g of liquid water at 67°C to steam at 100°C. The specific heat of liquid water is 4.18 J/g°C and the heat of vaporization is 40.7 kJ/mol. 2400 J 2.2 kJ 8.31 J 22.6 kJ 40.8 kJ 2. Which one of the following is true about surfactants? they act to decrease surface tension they form micelles on the surface of water none of these they are generally very small, highly...
1.Calculate the amount of energy (in kJ) necessary to convert 377 g of liquid water from...
1.Calculate the amount of energy (in kJ) necessary to convert 377 g of liquid water from 0 degree C to water vapor at 167 degress C. The molar heat of vaporization (Hvap) of water is 40.79 kJ/mol. The specific heat for water is 4.184 J/g degrees C, and for steam is 1.99 J/g degrees C. (Assume that the specific heat values do not change over the range of temperatures in the problem.) 2.Which substance has the highest vapor pressure at...
How much heat (in kJ) is required to convert 420. g of liquid H2O at 24.9°C...
How much heat (in kJ) is required to convert 420. g of liquid H2O at 24.9°C into steam at 145°C? (Assume that the specific heat of liquid water is 4.184 J/g·°C, the specific heat of steam is 2.078 J/g·°C, and that both values are constant over the given temperature ranges. The normal boiling point of H2O is 100.0°C.)
How much heat (in kJ) is required to convert 420. g of liquid H2O at 24.5°C...
How much heat (in kJ) is required to convert 420. g of liquid H2O at 24.5°C into steam at 146°C? (Assume that the specific heat of liquid water is 4.184 J/g·°C, the specific heat of steam is 2.078 J/g·°C, and that both values are constant over the given temperature ranges. The normal boiling point of H2O is 100.0°C.)
Using the provided data, calculate the amount of heat, in kJ, required to warm 15.3 g...
Using the provided data, calculate the amount of heat, in kJ, required to warm 15.3 g of solid benzene, initially at -9. °C, to gaseous benzene at 93. °C. benzene molar mass 78.1118 g/mol melting point 5. °C boiling point 80. °C ΔHfus 9.9 kJ/mol ΔHvap at bp 30.7 kJ/mol Cs, solid 1.51 J/g⋅°C Cs, liquid 1.73 J/g⋅°C Cs, gas 1.33 J/g⋅°C A.10.5 kJ B.82.8 kJ C.87.5 kJ D.35.7 kJ E.46.2 kJ Please help I know what to do if...
How much heat (kJ) is required to convert 3.12 moles of liquid benzene at 75.1°C to...
How much heat (kJ) is required to convert 3.12 moles of liquid benzene at 75.1°C to gaseous benzene at 115.1°C? The following information may be useful. b.p = 80.1C Cm (liquid benzene) = 136.0 J/ (mol * °C) ΔHvap = 30.72 kJ/mol Cm (gaseous benzene) = 36.6 J/ (mol * °C)
How much heat is required to convert 22.8 g of liquid benzene (C6H6) at 58 ∘C...
How much heat is required to convert 22.8 g of liquid benzene (C6H6) at 58 ∘C to gaseous benzene at 100 ∘C? The boiling point of benzene is 80.1 ∘C and Cm [C6H6(l)] = 136.0 J/(mol⋅∘C), and ΔHvap = 30.72 kJ/mol, Cm [C6H6(g)] = 82.4 J/(mol⋅∘C).
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT