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Question- Consider a single photon with a wavelength of a frequency of and energy of E. What are the wavelength, frequency, and energy of a pulse of light containing 100 of these photons?
Please provide the answer of the given question on urgent basis
The standard enthalpy of formation of NH3 is -46 kj/mol. Use this and values for the N(triple bond)N and H-H bond energies to estimate the N-H bond energy
A polypeptide is completely hydrolyzed, then reacted with PITC, followed by amino acid chromatography. What information is obtained
Assuming all the NH3 dissolves and that the volume of the solution remains at 0.300L , calculate the pH of the resulting solution
prepare 250ml of a .5 mol/L aqueous solution of magnesium nitrae, Mg(N3)2. what mass of magnesium nitrate do you need?
What is the mole ratio for magnesium oxide. What is its mass ratio? Are they the same? How do they differ.
25.00 mL of 0.1000 M chlorous acid, HOCl = O is titrated with 0.1000 M NaOH. Calculate the pH of the solutions when 0.00, 2.00 and 24.00 mL of the titrant was added.
What is the lewis structure and molecular shape around the carbons in CCl2CH2 as predicted by the VSEPR theory?
a bag contains a mixture of copper and lead bbs. the average density of the bbs is 9.90 assuming that the copper and
an ideal gas is contained in a cylinder with a volume of 5.0 102 ml at a temperature of 30degc and a pressure of 720.
Write a balanced equation showing one mole of this liquid compound combusting inO2 (gas) to produce CO2 (gas) and H2O (liq).
At 1 atm, how much energy is required to heat 63.0 g of H2O(s) at -24.0 °C to H2O(g) at 143.0 °C
Write the structure for the quinoxaline derivative obtained when benzil is the reactant. Do you think this compound would be coloured? If so, why?
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