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NH3 is kept in a cylinder with a movable piston at the temperature of 25 degree celcius and the pressure of 2.50 atm pressure. if the temperature is increased to 45 degree celcius then determine what is the pressure in the cylinder (and the piston is raised so that the volume occupied by the gas is doubled)
Determine the mass of sodium phosphate that yields 1.00 g of calcium phosphate precipitate.
Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?
When you heat baking soda (NaHCO3), it breaks down into sodium carbonate powder (Na2CO3), carbon dioxide and water vapor. Write a correct thermo chemical equation and explain what it tells you about the reaction ( The enthalpy of this reaction is ..
Calculated what is the pressure in atm using the van der Waals' equation for Oxygen gas under these conditions? For O 2 , it is given a = 1.360 L2atm/mol2 and b = 3.183E-2 L/mol.
Evaluate the operating conditions of the chiller - what temperature must the chiller operate if the product streams are also at 1 atm total pressure?
Calculate the molecule weight of the liquid If 2.31grams of the vapor of a volatile liquid is able to fill a 498-ml flask at temperature of 100 degree Celsius and pressure of 775 mm Hg? also determine the density of the vapor under these conditi..
Calculate the concentrations of all species at equilibrium for each of the given original mixtures. 1.2 mol of NOCl and 1.2 mol of NO in a 1.0-L flask? K = 1.6*10^-5 mol/L
Carbonate buffers are significant in regulating PH of blood at 7.40. Calculate the concentration of Carbon dioxide in a 0.200M NaHCO3 at PH=7.40.
What is the mass of one mole of the gas when the density of a gas is 0.0151 g/mL at 150 degrees Celsius and 1.50 atmospheres?
Determine the mass of snow that can be completely melted - Determine the mass of snow (frozen water) that can be completely melted with the application
An equilibrium mixture of this reaction(NH4HS(s)?NH3(g)+H2S(g)) at a certain temperature was found to have [H2S]= 0.350M and [NH3]= 0.276M .What is the value of the equilibrium constant (Kc) at this temperature.
Determine the range of fat you might expect to obtain if you extracted fat from ten grams of nutmeg (Dried, ground nutmeg typically contains between 20-25% fat by weight.) Assume that your extraction is 95% effective.
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