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N2 react with hydrogen gas to form NH3 if 14.01 g sample of N2 react with 4.07g of H2, determine how many of NH3 is formed?
Determine how much time (in seconds) is needed to form 150. g Na from a sodium chloride melt by a 25 Ampere current?
The density of palladium(Pd) is 12.0 g/mL at 20 degree Celsius temperature and the density is 11.0 g/mL 1550 degree Celsius temperature . What is the change in volume (V) if tempreture raises of 4.21 kg Pd from 20°C to 1550°C.
Determine the total number of atoms in this chemical formula and calculate the molar mass of the solute and how many moles of solute are in the solution?
Water supply in a city is fluoridated by adding NaF. The preferred concentration of F- is 1.6ppm.calculate the amount of Naf in milligrams should be added per gallon (treated water) if the water supply is 0.2 ppm in F-?
While 1.22 g of a white solid, supposed of being pure cocaine, a molecular compound, is dissolved in 15.60 g of C6H6 the freezing point is lowered by 1.32 ¬0C. Compute the molar mass of the solid. Kf value for benzene = 5.12C/m.
Determine the percent yield for the reaction and also find out at which point the total pressure = 188 torr.
The purpose of this experiment is to find out which fabric out of polyester, polypropylene, cotton and wool is the most suitable to make a sling back chair.
Compute the number of rads and rems of radiation in five years from such a level of plutonium.
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
Calculate the pressure when temperature is increased to 383 0C and volume of container keeps constant?
Sodium Bisulfite UseThe non-shrinking, non-warping nature of ultramarine blue, along with its exceptional heat and light stability has led to the development of a range of high quality ultramarine blue pigments specifically for masterbatchs applicati..
How many gms of H2O must be combined to 519.5 gms of methanol at 20°C to have an osmotic pressure of 408 mm of Hg? Methanol density = 0.8921 g/mL.
Calculate how many moles of nitrogen will be required to make 10.0 moles of NH 3 and calculate what is energy of each pulse If each pulse contains no of photons =1.20 x 10 18
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