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Einstein's 1905 paper on the photoelectric effect was the first important application of Planck's quantum hypothesis. Describe Planck's original hypothesis, and explain how Einstein made use of it in his theory of the photoelectric effect.
Is the reaction between hydrochloric acid and sodium bicarbonate exothermic or endothermic?
What type of forces allow oil to mix with another nonpolar liquid?
Calculate the heat released when 1.95 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride.
The compound dichlororodifluoromethane (CCl2F2) has a normal boiling point of -30C, a critical temperature of 112C, as well as a corresponding critical temperature of 40 atm. If the gas is compressed to 18 atm at 20C, will the gas condense. Why if..
Problem- 410/186 x. 410/183 z. 412/ 186 Q. 412/185 R. nuclear compositions 1) how many protons does atom X have? 2) How many neutrons does atom z have 3) How many electrons does atom R have 4) Which two atoms are isotopes
Consider all constitution isomers where nitrogen is part of a 5membered ring. What are the minor resonance forms for these structures
a mixture is prepared by mixing a 0.10 l solution of 0.12 m nacl with a 0.23 solution of 0.18 m mgcl2. what volume of a
The tire is filled with dry air at sea level and a temperature of 60 F to 32 lb/aquare in.standard sea level pressure is 101325 Pa at 0 C (STP).
How many grams Na3PO4 of will be needed to produce 475 mL of a solution that has a concentration of Na+ ions of 0.900 M ?
natural gas at standard conditions is transferred to 9.50 kilograms of water (specific heat = 4.18 J/g K), calculate the increase in temperature of the water
Amino acid compositions can be resolute by heating a protein in 6 M HCL also running the hydrolysate through an ion-exhange column. If you were departing to do an amino acid sequencing experiment, explain why want to get an amino acid composition ..
the minimum energy required to cause the photo electric effect in potassium metal is 3.69*10^-19 J. will photoelectrons be produced when light shines on the surface of potassium?if 400 nm radiation is shone on potassium,what is the velocity of the..
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