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A compound is made up of carbon, hydrogen and oxygen. Burning 10.68 mg of compound gives 16.01 mg CO2 and 4.37 mg H2O. What is the empirical formula? If the molar mass is 176.1 g/mol, what is the molecular formula?
determine the empirical formula for each substance.1. a dead alkaline battery is found to contain a compund of mn and
How much heat is absorbed in the formation of 1.69 mol of NO? Answer units KJ
sample of MgO was dissolved in 85.00g of 1 M HCl assume that no heat was absorbed by the walls of the calorimeter and the specific heat of the hydrochloric acid solution is 3.64
1 calculate the volume of 0.150 m naoh titrant added to 50.00 ml of a 0.0100 m hcl analyte solution to produce a ph of
equal quantites of the hypothetical strong acid hx weak acid ha and weak base bz are added to seperate beakers of water
If the molecular weight of a molecule is 180, how many grams would be required to make 100 milliliters of a 2 molar solution
Thallium has an average atomic mass of 204.3833 u. It has two naturally occuring isotopes, 203Tl (with a mass of 202.9723 u) and 205Tl (with a mass of 204.9745 u). Find the percent abundance of the two isotopes, to ±0.001%.
determine how many grams of copper sulphate are there in 219 grams of an aqeous solution that is 20.2 by weight of
What is the concentration of X when the potential is 0.0490 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
When LCAO molecular orbitals of methane (CH4) are formed from the carbon 2s and 2p atomic orbitals along with the 1s orbitals on the H atoms, what is the total number of molecular orbitals that are formed in this process
If your sprinkeling salt on your food that is made of sodium and chloride and someone says thats a inorganic compound why are they correct
Look up IDLH and provide a brief description. As well as identifying the IDLH values of the following chemical Carbon Monoxide Hydrogen Sulfide Xylene
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