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Question: Find the molecular moles mass by adding individual atomic masses of elements:
C3H8NO5P
Use formula to find Moles.
Calculate Delta H kJ/mol NH4NO3 for the solution process. NH4NO3 ( s) yields NH4 (there is a plus sign above the four)(aq) + ^ + NO3(negative sign above the three) (aq)
1.write a balanced equation for the reaction of copper with concentrated nitric acid to form copperii nitrate. assume
How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7g Fe? Fe2O3(s) + 3CO(g) -> 3CO2(g) + 2Fe(s)
Vitamin D3 Vitamins are chemicals required by humans in small amounts and are not made within our bodies. Such chemicals must therefore be acquired from ones diet
You have a gas cylinder, the weights on the piston weight 3kg. The radius of the piston is 40cm. Calculate the pressure of the gas in pascals in atmosphere.
Problem- Carbonic acid [H2CO3] partially ionizes to bicarbonate and carbonate. At what pH does the bicarbonate concentration equal to the carbonate concentration. pKa of carbonic acid: 6.3 and pKa of bicarbonate: 10.3
For a helium atom in a 1D box, calculate the value of the quantum number of the energy level for which energy is equal to 3/2 kT at 25C (A) for a box 1 nm long (B) for a box 10-6 m long.
in the reaction a rarr products a is found to be 0.490 m at t72.0 s and 0.474 m at t82.6 s.what is the average rate of
A brand of gasoline has a density of 0.737 at 25 degrees Celsius . How many grams of this gasoline would fill a 13.4 tank?
Food additives, what they are, functions etc? Pick five additives and list common foods they are found in, and discuss whether they are linked to cause food all
the solubility of oxygen in water at 25 degree celsius and 1.00 atm pressure is 0.041g/L. what is the solubility of oxygen in water at 6 atm pressure?
A nitric acid solution containing 71% HNO3 (by mass) has a density of 1.42g/mL. how many moles of HNO3 are present in 1.00L of this solution.
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