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You may want to write out the reaction)When ethane (C2H6) reacts with chlorine (Cl2) the product is C2H5Cl and HCl. In a certain experiment 165 g of C2H6 reacts with 255 g of Cl2. (a) Consider that C2H6 and Cl2 react to form C2H5Cl and HCl, calculate the theoretical yield of C2H5Cl. (b) Calculate the percent yield of C2H5Cl if the reaction produced 176 g of C2H5Cl.
How many moles of atoms are in each of the following? 4.1*10^24 Pb atoms ,2.15*10^22 He atoms
What is the lewis dot structure of Cl2O add formal charges to the atoms remember that the formal charges will add up to the ion charge
explain why it is appropriate to group a polyatomic ion in parentheses in a chemical formula, if more than one of that ion is present in the formula.
At 25 degree C the heat of fusion of Al is 10.6 kJ/mol and the heat of sublimation is 326.4 kJ/mol. What is the heat of vaporization of Al at 25 degree C.
How many grams of NaF form when 0.580 mol of HF reacts with excess Na2SiO3?
When 1.7 g sodium nitride is heated it forms sodium metal and nitrogen gas. How many grams of each are formed?
A 4.50-g sample of LiCl at 25.0C dissovles in 25.0mL of water also at 25.0C. Th final equilibrium temerpature of the resulting solution is 60.8C
Draw the resonance contributors of pyrrole and the cyclopentadienyl anion to demonstrate that all atoms are sp2 hybridized.
Initially, .500 atm of H2 and .500 atm I 2 are mixed in an evacuated 1.0 L flask. The system is allowed to come to equilibrium and it is found tocontain 0.318 atm HI. What is the equilibrium partial pressure of I2 for the reaction shown below?
a sample of riboflavin has a molar absorptivity of 1.67 x 10^3 L(mol x cm). What is the concentration of a solution with an absorbance of 0.484? The pathlength is 1.00cm.
When the flask is allowed to cool the vapor condenses and aire again refulls the flask. Re weighing the flask and figure out the the wight of the unknown vapor which filled the flask during the boiling. Explain why it is not necessary to know the w..
The standard free energy of activation of a reaction A is 73.9kJ/mol-1 (17.7 kcal mol-1) at 298 K. Reaction B is one million times faster than reaction A at the same temperature. The products of each reaction are 10.0 kJ mol-1 (2.39 kcal mol-1) mo..
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