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Question- Consider a single photon with a wavelength of a frequency of and an energy of E. What is the wavelength, frequency, and energy of a pulse of light containing 100 of these photons?
Write solution with complete explanation of required steps
a compound contains 10.13 c and 89.87 cl by mass. determine both the empirical formula and the molecular formula of the
Is sodium prechlorate an aques solution. And also, how do you differentiate a solid, liquid, gas, and aquesous solution just by the equation
degrees lower than the true freezing pont, would the calculated molar mass of the solute be too high or too low? Explain.
the equilibrium constant for the reaction 2hig i2g h2g is k 0.11. what is the equilibrium concentration of iclg if
Calculate the number of moles of solute present in each of the following solutions.
What is the concentrationof lead ions and sulfide ions in a saturated solution of lead sulfide (PbS) soltution at 25 degree celcius(Ksp=3.0x10-28).
a gas company in massachusetts charges 1.30 for 15ft cubed of natural gas ch4 measured at 20 degrees celsius and 1.0
An important reaction in the formation of photochemical smog is the photodissociation of NO2: NO2 + hv >>> NO(g) + O(g) The maximum wavelength of light that can cause this reaction
A 115 mL sample of a 11.0 M ethylene glycol (rm C_2H_6O_2) solution is diluted to 1.40 L.What is the freezing point of the final solution? (Assume a density of 1.06 g/mL for the final solution.)
Determine the molar mass of each of the following gases: a.) 0.82g of a gas that occupies 470mL at 0C and 1.00 atm (STP). b.) 1.48g of a gas that occupies 1.45L at 0C and 760 mmHg (STP). c.) 1.48g of a gas that occupies 1.30L at 695 mmHg and 20.0C..
The concentration of the AlCl3 solution is Blank 1M. AlCl3 + 3AgNO3 ---> 3AgCl + Al(NO3)3 Write answer to three significant figures in decimal form(NOT in scientific notation)
a gas mixture composed of helium and argon has a density of 0.727gl at a 755mmhg and 298k .what is the composition of
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