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An unknown compound has a molar mass of 118.10 g/mol. Given the following mass percent composition: 40.7% C, 5.13% H, and 54.2% O, calculate the empirical and molecular formula, respectively. (Note: When entering the answer do not worry about subcripting the numbers.
Suppose that a very concentrated solution of potassium iodate is added to a saturated solution of cupric iodate. What will happen
Indicate whether each of the following equilibrium mixtures contains mostly products or mostly reactants. a. CO(g) +Cl2(g) COCl2(g) Kc=5.0x10 to the negative 9 b.2HF(g) H2(g) + F2(g) Kc= 1.0x 10 to the negative 95 c. 2NO(g) +O2(g) 2NO2(g) Kc=6.0x1..
The water level in a graduated cylinder initially at 210 mL rises to 277 mL after a piece of lead is submerged. What is the mass in grams of the lead?
The concentration of a biomolecule inside a rod shaped prokayorate call is 0.0025M Calculate the number molecules inside the cell, which is 2.4 um long and 1.4 um in diameter.
If this cell is at standard conditions (Cu2+ and Al3+ solutions 1.0 M and 25 degrees celsius), what is the spontaneous redox reaction and the expected cell potential. Which metal serves as the cathode? Write the half-reaction that occurs at the ca..
6NO2+2H2O=4(HNO3)+2NO. For this equation, how many grams of nitrogen dioxide are needed to react with 3.70mol of H2O? How many grams of nitrogen monoxide are produced when 2.18mol of H2O react?
Calculate the density of N2 at STP a)using the ideal gas law and b) using the molar volume and molar mass of N2
An atmospheric chemist studying the pollutant SO2, places a mixture of SO2 and O2 in a 2.00 L container at 800k and 1.90 atm. when the reaction occurs, gaseous SO3 forms, and the pressure falls to 1.65 atm
Calculate the grams of Titanium that will be plated from a Ti(NO3)4 solution using a current of 15 amperes for 3 hours
How many liters of H2 gas, measured at 752mm Hg and 85 degrees C, are required to synthesize 0.65mol of CH3OH? How Many liters of CO gas, measured under the same conditions are required? CO(g)+2H(g)=CH3OH(g)
When solutions of strong electrolytes are formed in water, the ions are surrounded by water molecules. These interactions may be described as
the mechanism to convert 9-fluorenol to 9-methoxy fluorene using a nucleophilic substitution reaction with H2SO4 and methanol.
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