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Question- Using planck's distribution of at a temperature, T, with a wavelength corresponding to the maximum in the distribution, prove that wavelength T is a constant. Then deduce an expression for the constant as a multiple of the second radiation constant, c2=hc/k.
I want you to elucidate the chemistry in this above problem.
which salts are more effective for cold and hot packs kno3 nh4no3 mgso4 cacl2 mgcl2? which are most cost effective?
The volume of a sample of pure HCl gas was 179 mL at 25 C and 113 mmHg. It was completely dissolved in about 70 mL of water and titrated with an NaOH solution; 19.5 mL of the NaOH was required to neutralize the HCl. Calculate the molarity of the N..
What is the pH of the solution if [OH-] of an ammonia solution is 1.0 X 10-2M?
compute the uncertainty in the volume of titrant delivered. Report your result as the relative standard deviation in parts per thousand, to the nearest 0.1 ppt.
What is the pH of a buffer prepared by adding 0.708mol of the weak acid HA to 0.609mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66×10?7.
What volume of oxygen, in ml, would be produced at STP (0 degrees C and 1.00atom) by the decomposition of 3.428g of sodium chlorate, according to 2NaClO3(s) -> 2NaCl(s) + 3O2(g)
If the primary alcohol ethanol is subjected to sulfuric acid, an SN2 substitution would occur instead and diethyl ether would be formed.
Describe the reaction as endothermic or exothermic, and reversible or irreversible. B) A reaction has Horxn = 5.0 kJ/mol and a forward activation energy, Ea = 55 kJ/mol. What is the activation energy for the reverse reaction?
With a slope of 5.5x106 m3/K, 1 mole, and 273.15K explain what is the coldest temperature that liquid water exists using the Clapeyron equations
Enzymes in the human liver catalyze a large number of reactions that degrade ingested toxic chemicals. By what factor is the rate of a detoxification reaction changed
A 100L container has a 100g of ammonia gas and 50.0g of nitrogen gas at 500 degrees Celsius. Calculate the total pressure inside the container
Indicate the number of unpaired electrons for following: [noble gas]ns^2(n-2)f^6 ? Please include the rationale?
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