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Question- Enormous numbers of microwave photons are needed to warm household samples. A bowl of soup containing 484g of water is heated in a microwave oven from 20.0°C to 98.0°C using radiation with wavelength 122 mm. Assuming that the specific heat capacity of the soup is the same as that of water 4.184 J/gK and no heat loss to the bowl, which choice is closest to the number of photons absorbed?
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A tire manufacturer has a 60,000 mile warranty for tread life. The manufacturer considers the overall tire quality to be acceptable if less than 8% are worn out at 60,000 miles.
Find the Anode Half-Reaction, Cathode Half-Reaction and Volts, Lit. of the following cells Ag-Cd, Ag-Cu, Ag-Pb, Ag-Zn, Cd-Cu, Cd-Pb, Cd-Zn, Cu-Pb, Cu-Zn and Pb-Zn
Calculate the partial pressure of ozone and the number of ozone molecules per liter of air if the temperature and pressure were 20.0 °C and 758 mmHg, respectively.
Define what value do you estimate for Z {eff} experienced by the outermost electron in both {Na} and {K} by assuming core electrons contribute 1.00 also valence electrons contribute 0.00 to the screening constant?
A compressed-air tank carried by scuba divers has a volume of 6.80L and a pressure of 120atm at 20 degrees celsius. What is the volume of air in the tank at 0 degrees celsius and 1.00atm pressure (STP)
Explain how can you determine whether one of these two suspected compounds was identical to the unknown compound without using any for of spectroscopy.
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. Calculate the value of w (work) for the following system if 11.8 g of NaN3 reacts completely at 1.00 atm and 22 °C.
Determine what the mothballs were made of. Pure ethyl alcohol has a boiling point of 78.41 degrees C and Kb = 1.22 deg C/m for this solvent.
190 ml of an hcl solution with ph of 2.60 is added to 200 ml of an hno3 solution. the resulting ph is 1.40. what was
An unknown metal with a mass of 28g absorbs 58J of heat. Its temperature rises from 31.1C to 39.9C. Calculate the heat capacity of the metal ?
Question- As the reaction represented above proceeds to the right, the oxidation number of chlorine goes from what to what
Calculate the minimum mass of MnO2 required to generate 5.32 L of gaseous chlorine, measured at a pressure of 0.953 atm and a temperature of 33 °C.
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