heat

Most popular questions
  1. heat

    how much heat energy is required to raise the temperature of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? You will need the specific heat capacity for coal...you can look that up in a table in your text..

    asked by vanice on July 5, 2005
  2. Heat

    Consider the following equation: CO + 2 H2 → CH3OH ΔH rxn = -128 kJ Calculate the amount of heat (in kJ) associated with complete reaction of 8.08 g H2. How would u set that up?

    asked by Chemistry on April 18, 2015
  3. heat

    20 cubic inches of a gas with an absolute pressure of 5 psi is compressed untill its pressure reaches 10 psi. what is the new volume of the gas? ( assuming that there s no change in temperture) a. 5 cubic inches b. 10 cubic inces c. 40 cubic inches d. 100

    asked by heather on July 11, 2006
  4. heat

    if the absolute pressure of a gas is 550.280 kPa, its gage pressure is ? A.101.325kPa b.277.280kPa c.448.955kPa d.651.605kPa Gauge pressure - atmosphericpressure=absolute pressure where atmospheric pressure varies, but standard atmospheric pressure is

    asked by Andre on July 15, 2005
  5. heat

    One degree celsius indicates the same temperature change as what (which of the following is correct) one degree fahrenheit one kelvin 9/5 kelvin 5/9 degree fahrenheit 9/5 deg F 9/5 deg f was not an option my options were 5/9 Degree fahrenheit 9/5 kelvin

    asked by alf on August 3, 2005
  6. HEAT

    A container holds a quantity of liquid nitrogen at a temperature of -200 degrees C. Explain how each of the following could be used to warm up the nitrogen. a)ice cubes b)hot water bath c)bubbling room air through the liquid All these substances contain a

    asked by Sydney on December 8, 2010
  7. HEAT

    A container holds a quantity of liquid nitrogen at a temperature of -200 degrees C. Explain how each of the following could be used to warm up the nitrogen. a)ice cubes b)hot water bath c)bubbling room air through the liquid All these substances contain a

    asked by Sydney on December 7, 2010
  8. heat

    A siler bar 0.125 meter long is subjected to a temperature change from 200 degrees celsius to 100 degrees celsius what willbe the length of the bar after the temperature change?

    asked by lala on October 1, 2007
  9. heat

    a silver bar 0.125 meter long is subjected to a temperture change from 200 degree celsius to 100 degree celsius. What will be the lenght of the bar after the temperture change? I will be happy to critique your thinking and/or work on this question. Please

    asked by stacy on August 27, 2005
  10. heat

    what cools the air in a household refrigerator? what cools the air in a household refrigerator? Inside the refrigerator, the evaporator absorbs heat and cools the inside. Outside, room air cools the condensor coils that are bring heat from the inside of

    asked by angela on August 19, 2005
  11. heat

    the main purpose of the turbine in the turbojet engine is to? The turbine rotates the compressor, compressing the inlet air. Often, electrical generators and hydraulic pumps are attached to the turbine via gears also. drive the compresser

    asked by angela on August 19, 2005
  12. Heat

    A silver bar 0.125 meter long is subjected to a temp change from 200c to 100c. What will be the length of the bar after the temp change? You have to look up the coefficent of linear expansion for silver. New length= originallength(1+deltaTemp*coefficent)

    asked by missy white on August 12, 2005
  13. heat

    At what point will liquid alcohol change to vapor? Boiling Melting Fusing Freezing The boiling point is the point above which the liquid state does not exist. Evaporation can occur from the liquid state at lower temperatures as well, but there will be no

    asked by alf on August 3, 2005
  14. heat

    in a gasoline engine the area in the cylinder head where the air and fuel mixture is burned is called the? What is the combustion chamber?

    asked by angela on August 19, 2005
  15. heat

    if the absolute pressure of a gas is 550.280 kpa, it's gage pressure is what? http://www.ajdesigner.com/phppressure/fluid_pressure_equation_absolute_gauge.php

    asked by missy white on August 13, 2005