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Calculate the velocity of an electron in the n=1 state of H atom? Show that the de Broglie wavelenth of an electron moving at velocity(velociy of an e- in n=1 state of H atom) corresponds to circumference of the first Bohr radius?
Consider the combustion reaction: CH4(g) + O2(g)= CO2(g) + H2O(l) is this an exothermic reaction. If 100g of CH4 is burned, calculate the heat exchange (balance the equation).
you are given a small bar of an unknown metal x. you find the density of the metal is 10.5 gcm3. another experiment
What is the half-life of a compound if 76 percent of a given sample of the compound decomposes in 43 min? Assume first-order kinetics.
a sample of nitrogren gas is collected in a 100 ml container at a pressure of 688 mm hg and a temperature of 565
The known metal ion solution used in this experiment contains 0.10 M of each of the six metal ions. What are the initial concentrations of Ag, Pb, and Cl before any precipitation/reaction occurs, but after the mixing (i.e. dilution) of equal volum..
Sodium carbonate was used to precipitate silver from a solution. 6.00 grams of silver carbonate were recovered from 1.500L of solution. What was the concentration in ppm of silver ions in the original solution?
The haber process is a method in which ammonia can be produced from nitrogen gas and hydrogen gas. If nitrogen gas at 200 atm and hydrogen gas at 500 atm are combined at 500?C in a 50.0L vessel: determine the amount of ammonia that would be produc..
assume you dissolve .297 g of the weak acid benzoic acid in enough water to make 105 ml of solution and then titrate
the compund TNT decomposes explosively into carbon, carbon monoxide, hydrogen,and nitrogen. what volume of hydrogen and nitrogen are produced if 5.8 L of CO is produced?
Using as sample of gas of 12.0 moles are in a tank of 8.00 Litres at the temperature of 22.6 degree celsius. compute the difference in pressure between CH 4 and an ideal gas under these conditions
Liver alcohol dehydrogenase (ADH) is relatively nonspecific and will oxidize ethanol or other alcohols, including methanol. Methanol oxidation yields formaldehyde, which is quite toxic, causing among other things, blindness
Calculate the amount of energy in the form of heat that is produced when a volume of 2.73 L of SO2(g) is converted to 2.73 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 atm and 25.0 °C. Assume ideal gas behav..
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