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A student in lab has 3.00 g of pure N2 in 0.541 g pure H2. The reaction happens following this equation: N2(g) + 3H2(g) → 2NH3(g) How many grams of NH3 would be produced?
How many moles of HF (Ka = 6.8 10-4) must be present in 0.165 L to form a solution with a pH of 2.25?
50.0 g of N2O3 is decomposed according to the following reaction 2N2O3 --> 2 N2 + 3O2 . How many moles and how many liters of nitrogen are produced at 300 degrees Celsius and a pressure of 1350 torr?
You are going to a birthday party and you want to give the children balloons filled with He gas. How many balloons can you fill to a volume of 2 liters if the internal gas pressure of the tank
What is the relationship between coordination number, packing, and density (as mass/volume). How do the two more efficient forms of packing compare regarding volume.
Given a restriction enzyme that has a concentration of 50 units/ml but your experiment requires that the concentration be reduced to 2.5 units/ml.
What is the chemical name for CuSO4? a. Copper sulphate b. Copper sulphur oxide c. Copper (II) sulphate d. Copper (I) sulphate
identify the functional group; and 3) and discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know.
What are the equilibrium partial pressure of H2 when equilibrium is reestablished following the addition of 0.200 mol of HI?
A 4.000-g sample of the metal nitrate M(NO3)2 was dissolved in water and treated with excess aqueous sodium sulfate. The sulfate salt that formed weighed 3.318 g. Determine the identity of the metal.
consider the reaction in which 410g of Ca(NO3)2 react with just the right amount of magnesium metal in a single replacement reaction. how many grams of lithium are required?
A solution is prepared by dissolving 27.1 g urea, (NH2)2CO, in 171.2 g water. Calculate the boiling point of the solution. Urea is a nonelectrolyte.
Calculate the entropy change when 1.86 g of H2 reacts with O2 according to the reaction 2H2(g) + O2(g) ! 2H2O(l) at 298 K and 1 atm pressure.
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