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Anonymous

Mar 3

#heat-transfer #thermodynamics #physics

A400g aluminum container containing 300g of water at 20 degrees Celsius is refrigerated to 0 degrees Celsius in 80 minutes. Determine the rate per minute at which heat is removed from the container ?

1 1

Anonymous

Mar 2

#gas-laws #thermodynamics #physics

Show that the thermodynamic work done in compressing a gas at a constant pressure is given by the product of that pressure and volume?

1 1

Anonymous

Feb 28

#heat-transfer #thermodynamics #physics

Sensible heat ?

1 1

John Gunurei

Feb 25

#chemistry #thermodynamics #physics

What is the pressure (in kPa) of 0.4 mol of hydrogen in a container of volume 8L at 27 degree Celsius?

Exact solution working to this question please?

1 1

Anonymous

Feb 25

#chemistry #thermodynamics #physics

What is the volume of 2 mol of nitrogen at 50 degree Celsius with pressure 200 kPa?

A formula to work out this question please??

1 1

Anonymous

Feb 7

#thermodynamics

How to change 120kpa to pa?

1 1

Anonymous

Feb 7

#chemistry #ideal-gas-law #thermodynamics #physics

Determine the volume occupied by 2kg of an ideal gas at 120kpa and 300k. Assume suitable value of gass constant?

2 1

Anonymous

Feb 3

#thermodynamics #physics

a gas occupies 0.67l at 350k . what temperature is required a volume 45% ?

a gas occupies 0.67l at 350k . what temperature is required a volume 45%

5 1

Ayiru Kananji

Jan 14

#thermodynamics #physics

1.Why water is a bad conductor of heat?

1 1

Anonymous

Jan 12

#gas-laws #thermodynamics #physics

A 6.7l volume of air,initially at 23.c and 0.98atm, is compressed to 2.7l while heated to 125 .c. which is the final pressure?

1 1

Anonymous

Jan 12

#gas-laws #thermodynamics #physics

If a balloon containing 12.2l of gas at 298k is heatwd so the balloon expands to 17.4l, what is the final temperature if the pressure remaina constant?

1 1

Anonymous

Jan 11

#measurement #thermodynamics #physics

A Temerature thermometer has resistance 50 ohm ta temperature 20 for pt is 0.0392 the thermometer is immersed in a vesssel contain melting tin at which R increase to 91.6 Ohm?

1 1

Anonymous

Jan 5

#thermodynamics #physics

Explain to casandra who is surprised that he feels cold when he touches the handles of his bicycles but feels warm when he touches the bicycle sit yet both at the same temperature?

1 1

Tumsime Godfrey

Jan 3

#heat-transfer #thermodynamics #physics

If the temperature differenc across a 43cm thick dry sand soil is 23, calculate the thermal flux and total heat transfer in three hour under steady stateAssume thermal conductivity of dry sand 0.27w?

1 1

Anonymous

Jan 2

#heat-transfer #chemistry #thermodynamics

The molar heat of solution of NaOH is -445.1KJ/mol. In a certain experiment,5g of NaOH is completely dissolved in 1L of H2O at 20°C in foam cup calorimeter. Assuming no heat loss , Tf= 33.2°C, verify?

Chem

1 1

Anonymous

Jan 2

#heat-transfer #chemistry #thermodynamics

The molar heat of solution of NaOH is -445.1KJ/mol. in a certain experiment,5g of NaOH is completely dissolved in 1L of water at 20°C in foam cup calorimeter. Assuming no heat loss, calculate Tf?

#thermodynamics

Anonymous

A400g aluminum container containing 300g of water at 20 degrees Celsius is refrigerated to 0 degrees Celsius in 80 minutes. Determine the rate per minute at which heat is removed from the container ?

Anonymous

Show that the thermodynamic work done in compressing a gas at a constant pressure is given by the product of that pressure and volume?

Anonymous

Sensible heat ?

John Gunurei

What is the pressure (in kPa) of 0.4 mol of hydrogen in a container of volume 8L at 27 degree Celsius?

Anonymous

What is the volume of 2 mol of nitrogen at 50 degree Celsius with pressure 200 kPa?

Anonymous

How to change 120kpa to pa?

Anonymous

Determine the volume occupied by 2kg of an ideal gas at 120kpa and 300k. Assume suitable value of gass constant?

Anonymous

a gas occupies 0.67l at 350k . what temperature is required a volume 45% ?

Ayiru Kananji

1.Why water is a bad conductor of heat?

Anonymous

A 6.7l volume of air,initially at 23.c and 0.98atm, is compressed to 2.7l while heated to 125 .c. which is the final pressure?

Anonymous

If a balloon containing 12.2l of gas at 298k is heatwd so the balloon expands to 17.4l, what is the final temperature if the pressure remaina constant?

Anonymous

A Temerature thermometer has resistance 50 ohm ta temperature 20 for pt is 0.0392 the thermometer is immersed in a vesssel contain melting tin at which R increase to 91.6 Ohm?

Anonymous

Explain to casandra who is surprised that he feels cold when he touches the handles of his bicycles but feels warm when he touches the bicycle sit yet both at the same temperature?

Tumsime Godfrey

If the temperature differenc across a 43cm thick dry sand soil is 23, calculate the thermal flux and total heat transfer in three hour under steady stateAssume thermal conductivity of dry sand 0.27w?

Anonymous

The molar heat of solution of NaOH is -445.1KJ/mol. In a certain experiment,5g of NaOH is completely dissolved in 1L of H2O at 20°C in foam cup calorimeter. Assuming no heat loss , Tf= 33.2°C, verify?

Anonymous

The molar heat of solution of NaOH is -445.1KJ/mol. in a certain experiment,5g of NaOH is completely dissolved in 1L of water at 20°C in foam cup calorimeter. Assuming no heat loss, calculate Tf?

Anonymous

What is heat balance?

Anonymous