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Problem- Microwave ovens emit microwave energy with a wavelength of 12.0 cm. What is the energy of exactly one photon of this microwave radiation?
I am stuck in between this question please help me out
Magnesium phosphate precipitates from an aqueous solution. Does the entropy of the system increase or decrease
Question- Calculate the pH of a 0.20M NH3 / 0.20M NH4Cl buffer after the addition of 30.0 ml of 0.10M HCl to 65.0 ml of the buffer.
when the following reaction is balanced in acid solution using the lowest possible whole number coefficients the
determine the equilibrium ph of aqueous solutions of the following strong acids or bases: a)15mg/l of hso4- b)10 mM NaOH c)2500 mg/l of HNO3.
Problem- Calculate the heat of atomization (the heat required to convert a molecule in the gas phase into its constituent atoms in the gas phase) ofC2HCl, using the average bond energies in the following table:
at an altitude of 19350 feet atop mount kilimanjaro in kenya the boiling point of water is 81 degrees celsius.
Calculate the molarity of each of the following solutions 20.0 g NaCl in 1.0 L H2O
After the reaction was comlete, the volume of the dry has produced was 1 liters at 75 degrees celsuis and 721 torr. what was the percent potassium notrate in the original sample?
a 25.0 ml aliquot of 0.211 m citric acidsolution is titrated with 0.143 m sodiumhydroxide solution. if the balanced
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
Determine the mass of copper that would release 438 J of heat while cooling from 284 degrees C to 25 degrees C
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