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Phosphorous trichloride (PCl3) is produced from the reaction of white phosphorous (P4) and chlorine:P4(s) + 6 Cl2(g) → 4 PCl3(g) . A sample of PCl3 of mass 298 g was collected from the reaction of 75.37 g of P4 with excess chlorine. What is the percentage yield of the reaction?Answer in units of %
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.
The pH of uncontaminated rain water is about 5.6. The pH of rain falling in Cleveland, OH is 4.2 and that in Omaha, NE is 5.5. What is the concentration of hydrogen ions in the rainfall of each city? [H] 6.3 ^ -5 for Cleveland.
equilibrium constant, Kp, for the reaction = 0.295 (at 400 degrees C.)then write the kp of the reaction and Calculate kc at 400 degree Celsius.
Write and balance the given chemical equation and Write a balanced equation for this reaction
Calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL and calculate the concentration of Calcium (MW 40.078 g/mol) in the H2O in units of gram per 100 mL.
Determine the mass percent of CH3COOH in this solution if density of vinegar is 1.01 g/mL? Also calculate mole fraction of acetic acid in this solution and molality of this solution?
Detremine the volume of CO2 produced at the temperature of 23 degree celsius and pressure of 0.985atm?
A gaseous mixture of rm O_2 and rm N_2 contains 36.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 485 mmHg.
What is the heat change of H 2 O If the final temperature of the mixture = 25 degree celsius?
Identify the element of Period 2 which has the following successive ionization energies, in kJ/mol. IE1: 1314, IE2: 3389, IE3: 5298, IE4: 7471, IE5: 10992, IE6: 13329, IE7: 71345, IE8: 84087.
calculate that how many liters of carbon monoxide gas, measured under the same conditions, is essential?
Find the intrinsic conductivity for germanium. (Assuming ni = 2.5x 1019/m3 at room temperature.)
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