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An unidentified covalent molecular compound contains only carbon, hydrogen, and oxygen. When 4.80 mg of this compound is burned, 13.19 mg of CO2 and 1.54 mg of H2O are produced.
The freezing point of camphor is lowered by 10.4°C when 0.656 g of the compound is dissolved in 11.25 g of camphor (Kf = 40.0°C kg/mol).
What is the molecular formula of the unidentified compound?
Choose appropriate coefficients in the molecular formula below.
an unknown metal m reacts with sulfur to form a compound with the formula ms. if 4.37 g of m reacts with 2.51 g of s
What dissolved species are present in a solution of NaClO4? Express your answers as ion separated by a comma.
When a student chemist transferred the metal to the calorimeter, some water splashed out of the calorimeter. will this technique error result in the specific heat of the metal being reported too high or too low
A dose of aspirin is 5.0mg/kg body weight has been prescribed to infant that weighs 8.5lbs. How many miligrams is needed.
How many moles of Ba(OH)_2 are present in 255 mL of 0.800 it M Ba(OH)_2?
Some of the formulas below could be either molecular or empirical formulas; however, some could only be molecular formulas. Which of the following formulas must be molecular formulas
If the partial pressure of helium is the same as the partial pressure of oxygen, what do you know about the number of helium atoms compared to the number of oxygen molecules? explain.
Calculate the concentration of a solution of FeCl3 was prepared by dissolving 13.86 gm of FeCl3 in 2.5L of water.
Problem- Draw the Grignard reagent that is used with epoxide mixed with [diethyl ether and H3O] to get 3-methylpentan-1-ol as the product
The volume the vapor occupies is 300 mL and the pressure of the vapor is 400 torr. The piston is then moved so that the vapor occupies 600 mL, and the system is allowed to come to equilibrium at 28 C. What is the final pressure of the CS2 in the v..
Catalyst works by lowering action barrier of rate limiting step. In a 1st order reaction, concentration of reactant is doubled then rate of reaction is doubled.
Calculate the concentration of H2SO4 if 25.00 mL of the acid is titrated with 41.70 mL of 3.000 M KOH to produce K2SO4 and water
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