How many photons are required to heat

Reference no: EM13171171

Suppose that the microwave radiation has a wavelength of 12.4cm . How many photons are required to heat 295mL of coffee from 25.0 C to 62.0 C ? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J(gxK) , as water over this temperature range.

Express number of photons numerically.

Reference no: EM13171171

Questions Cloud

How many grams of dry nh4cl need to be added : How many grams of dry NH4Cl need to be added to 2.00 of a 0.100 M solution of ammonia, , to prepare a buffer solution that has a of 8.64? Ka for ammonia is 1.8*10^-5.

How many calories of heat energy were absorbed : Some velomobile seats have been designed to hold ice packs inside their cushions. If you started a ride with ice packs that held 1700 g of frozen water at 0 degrees C , and the temperature of the water at the end of the ride was 32 degrees C.

What is the bond order : Construct the MO diagram for Cr(CO)5, considering only s donation from the CO ligands. Clearly label all atomic and molecular orbitals. Put in the correct number of electrons. What is the bond order? Is this consistent with the structure?

Calculate the enthalpy change per mole of baso4 formed : Assuming that the calorimeter absorbs only a negligible quantity of heat and that the density of the final solution is 1.0 g/mL, calculate the enthalpy change per mole of BaSO4 formed.

How many photons are required to heat : Suppose that the microwave radiation has a wavelength of 12.4cm . How many photons are required to heat 295mL of coffee from 25.0 C to 62.0 C ? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J(gxK) , as..

How and when the concept could be used by eec : How and when the concept could be used by EEC and how the application of the concept differs from the other concepts

What mass of magnesium is required to produce enough gas : What mass of magnesium is required to produce enough gas to exert pressure of 0.50 atm in a 50.0 mL flask at a temperature of 25.0 degrees Celcius? show all work.

Dramatic changes : One of the dramatic changes in the United States today is the increase in

What will the new pressure inside the piston be : if i have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 liter what will the new pressure inside the piston be?

User Account

All Pages