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Calculate the amount of heat transferred when 46.0 g of CH3OH is decomposed by this reaction at constant pressure.
If 8.6 L of NO is combined with excess O2 at STP, what is the volume in liters of the NO2 produced?
Calculate the overall energy change (in kilojoules per mole) for the formation of Csf from its elements using the following data.
Suppose your thermometer read consistently 1.0 o C lowered throughout both parts in the colligative properties lab. What effect would that have on your experimental value for the molar mass of your unknown solute?
At 20 degrees celsius the vapor pressure of ethanol is 45 torr and the vapor pressure of methanol is 92 torr. what is the vapor pressure at 20 degrees celsius of a solution prepared by mixin 26.0 g. of methanol and 85 g. of ethanol?
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
Using a sample of ferrous ammonium sulfate hexahydrate of 0.5585 grams needs KMnO 4 solution of 21.45 ml to reach a pink endpoint then calculate what will be tha molarity of the KMnO 4 solution?
As a bromine molecule approaches perpendicular to the negatively charged pi cloud of the carbon-carbon double bond, its bonding electrons are repelled away from the bromine atom nearer the double bond
A gas originally at 27 degrees celsius and 1.00 atm pressure in a 3.9 L flask is cooled at constant pressure until the temperature is 11 degrees celsius. determine the new volume of the gas and express your answer in Litre.
A substance, A2B, has the composition by mass of 60% A and 40% B. What is the composition of AB2 by mass?
Gas x effuses 0.629 times as far as oxygen under the same conditions. what is the molar mass of gas x.
where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
why is preferable to use tflon or ungreased stopcock rather than greased stopcock in column chromatography experiment?
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