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4NH3 + 5O2 --> 4NO + 6H20In an experiment, 50.0g of each reactant is sealed in a container and heated so the reaction goes to completion.
1.What is the limiting reactant?
2.How much of the nonlimiting reactant remains after the reaction is completed? Assume that all of the limiting reactant is consumed.
Typical lab experiment exploring le chateliers principle. HCl is added to Pb(NO3) until precipitate forms. Question asks: Explain why PbCl2 did not precipitate immediately on addition of HCl. What condition must be me by [PB2+] and [cl-] if PbCl2 i..
Calculate K for 2 NO(g) + O2(g) 2 NO2(g) from the observation that when equilibrium is established at 500 K, there are 0.190 moles NO2, 2.65 X 10-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters.
Describe synaptic tagging and capture in LTP. What kind of stimulus is necessary for new protein synthesis to occur? What kind of stimulus is necessary for a synaptic tag
describe the mechanism of the reaction for the production of tetrachloromethane
Ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
A horizontal piston contains 34kg of water that is saturated at 36oC. Heat is transferred to the water until 80% of the water vaporizes.
Which of the following buffer systems would be the best choice to create a buffer with the pH= 9.00? For the best system , calculate the ratio of the masses of the buffer components required to make the buffer.
If 21 mL of 6.0 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
a star is estimated to have a mass of 2*10´36 kg. Assuming it to be a sphere of average radius 7 * 10´5 km, calculate the average density of the star in units of grams per cubic centimeter.
Is the reaction exothermic or endothermic. Does the reaction lead to an increase or decrease in the disorder of the system
for the set of elements Li, O, Ne, and Na which element has the largest atomic radius. Explain any deviation from the expected pattern
A compound composed of iron and carbon monoxide, Fe x (CO) y, is 30.70% iron. What is the empirical formula for the compound
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