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Explain How to determine this A sample of 2.0 moles of a metal reacts completely with excess oxygen to form 62.0 g of M2O. Explain what element is represented by the symbol M?
Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figures
cannot be dehydrated to an alkene without rearrangement. What is the chief product of dehydration?
what volume of 0.200 m hno3 is needed to titrate 38.7 ml of 0.175 m naoh? 2 if 42.5l of 0.45 m hcl is titrated with
Consider the process of combustion, of complete oxidation -- that is, reaction with oxygen resulting in the conversion of every carbon atom to CO2.
calculate the amount of heat needed to boil 50.6g of ethanol ch3ch3oh beginning from a temperature of 24.4c . round
what will the concentration be after 3.00 minutes? B)A zero-order reaction has a constant rate of 3.40×10^?4 M/s . If after 80.0 seconds the concentration has dropped to 3.00×10^?2 M , what was the initial concentration?
What is the relationship between K and Kc?
calculate number of moles of anhydrous compound recovered. c- calculate number of moles of water lost from the hydrated compound.d- what is the formula of the hydrate?
Vapor pressure of water at 25 deg C is 24 mmHG and that of pure methanol is 120 mmHG. What is the vapor pressure above the solution of methanol and water at 25 deg C. What is the mole fraction of methanol in the vapor above this solution
a sample of 40.0 ml of .1 m acetic acid is titrated with .150 m naoh ka 1.8 x 10-5 what volume of naoh is used in the
K2Cr2O7 was used to titrate a sample known to contain a mixture of sodium sulfate (Na2C2O4) and sodium oxalate (K2C2O4). The dichromate does not react with sodium sulfate.
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
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