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1- How many grams of NH3 can be produced from 3.80mol of N2 and excess H2 ?
2-How many grams of H2 are needed to produce 10.76g of NH3 ?
3-How many molecules (not moles) of NH3 are produced from 3.16×10-4g of H2 ?
4-What mass of carbon dioxide is produced from the complete combustion of 7.10×10-3g of methane?
5-What mass of water is produced from the complete combustion of 7.10×10-3g of methane?
6-What mass of oxygen is needed for the complete combustion of 7.10×10-3g of methane?
How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0 amp for 10.0 hrs
The student then titrated 25.0 ml of the same buffer with 0.1115 M NaOH. The observed titration curve is shown below
In a coffee-cup calorimeter, 1.50 g of NH4NO3 is mixed with 76.0 g of water at an initial temperature of 25.00°C. After dissolution of the salt, the final temperature of the calorimeter contents is 23.65°C.
Explain what is the method called when you are finished washing an organic layer such as dichloromethane and spinach leaf extract with water as well as then take the waste layer the water layer from a separatory funnel
4l of n2 is saturated with water vapor at 22celsius degree and thencompressed to half of its volumeawhat is the partial
consider a solution of a weak acid at a ph equal to its pka. by how much would the ph change and in which direction if
If you have 400mL of .5 M NH3, how many moles of .47 M HCl must be added to the ammonia solution to reach the equivalence point.
The Co 2+ emerged from the column later. It, too, was treated with 25.00 mL of 0.03872 M EDTA. How many milliliters of 0.02127 M Zn2+ will be required for back titration
Fumaric acid, a diastereomer of maleic acid, requires a much higher temperature before it dehydrates; when it does, it also yields maleic anhydride.
Calculate the oxygen content of the plasma in mM! 1 ml plasma dissolves 24 uL oxygen at 38 degrees C if the partial pressure is 103 kPa.
What is the fraction of NTA present after HT2- has been brought to equilibrium with solid PbCO3 at pH 7.00, in a medium in which [HCO3-] = 1.00E-3 M?
A gas is compressed in a cylinder from a volume of 20 L to 2.0 L by a constant pressure of 10 atm. Calculate the amount of work done on the system.
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