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At 453 K and 755 mm Hg, what volume of N2 will react completely with 22.2 L H2 to produce NH3?N2(g) + 3 H2(g) ® 2 NH3(g)
The normal boiling point of a liquid is 62 c and it has aheat of vaporization of 32.5 kj/mol. What is the vapor pressure at 25 c
Identify R and R' in Equation 1 when the ester, aspirin, is made from salicylic acid and acetic acid. Calculate the theoretical yield of aspirin to be obtained in this experiment, strating with 2.0g of salicylic acid and 5.0mL of acetic anhydride
What fragmentation would give rise to the peak at m/z 45 in the Mass Spectrum? C3H8O. Loss of hydroxyl group.
pH will be greater than 7 at the equivalence point. C. titration will require more moles of base than acid to reach the equivalence point. D. pH will be equal to 7 at the equivalence point. E. titration will require more moles of acid than base to..
A 5.61g sample of NaCl is added to 112mL of pure water (density of pure water @ 25 degree celcius is 0.9982g/mL). What is the mass % of the NaCl solution
how many joules of heat are needed to completely vaporize 24.40 grams of water at its boiling point?given deltahvap
A rigid container of O2 has a pressure of 340 kPa at a temperature of 713 K. What is the pressure at 273 K?
Bond energy is the change in enthalpy that accompanies the dissociation of one mole of the bond in the gaseous state.
The reactant concentration in a zero-order reaction was 9.00×10?2{\it M} after 100s and 2.50×10?2{\it M} after 390s . What is the rate constant for this reaction
If A 230.0-mL sample of a 0.275 M solution is left on a hot plate overnight the following morning the solution is 1.50 M. Define what volume of solvent has evaporated from the 0.275 M solution
Suppose that one needs 17.65mL of 0.1146M NaOH to titrate 25.00mL of acetic acid, a weak acid, to the equivalent point. Calculate [HAc]
Utilize your estimate of the atomic mass from (a) and the information from (b) to find out the empirical formula of the oxide the moles of M that combine with each mole of O.
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