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How many molecules of ice at 0 degrees celsius can be melted from the complete transfer of the heat involved when 25.6 Grams of nitrogen is reacted with 34.5 L Of hydrogen gas at STP?
Determine the molar concentration of CH 3 COOH present in the vinegar?
Alkenes and non conjugated dienes usually have absorption maxima below 200nm. Compounds that have conjugated multiple bonds have maxima at wavelengths longer than 200nm.
A soluation of HO-CH2-CH2-OH is prepared by dissolving 651g of ethylene gylcol in 1.50kg of water. Determine the freezing point of the soluaiton and the vapor pressure of water above the solution 25.0 degrees C.
It is important to know if a particular molecule is composed of elements with different electronegativities as well as the structure of the particular molecule to explain the physical properties of the molecule.
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
Is heat absorbed or evolved in the course of this reaction? Calculate the amount of heat transferred when 45.0 g of CH3OH (g) is decomposed by this reaction at constant pressure.
Consider the reaction 2ZnS + 3O2 → 2ZnO + 2SO2. Suppose that you wanted enough O2 to completely react with 500. g of ZnS.
Determine the change in Ssys for the process if specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
Explain the structure of the main mononitration product(s) of 3 bromo 1 nitrobenzen?
How much heat energy, is needed to convert 64.0 grams of ice at -18.0 degrees celcius to H2O at the temperature of 25.0 degrees celcius? Express your answers in kilojoules
Determine delta H of this reaction (kJ/mol H 2 SO 4 ) - When 24.4 mL of 0.500M sulphuric acid ,H 2 SO 4 is combined to 24.4ml of 1.00M potassium hydroxide KOH in a coffee cup calorimeter
Detrmine What mass of lithium (in g) is needed to react completely with 57.9 mL of Nitrogen gas at Standard atmospheric conditions?
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