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what was the delta t for the metal? c) how much heat flowed into the water? d) taking the specific heat of water to be 4.18J/gC, calculate the specific heat of the metal e) what is the approximate m
A perfect gas has a constant volume heat capacity of C R V m = 1.5×R, . Calculate q and w for the process where 4.50 mol of this gas is heated with a 12 W heater for 400 seconds at a constant
Given the thermodynamic data in the table below, calculate the equilibrium constant (at 298 K) for the reaction: 2SO2 + 02 --------> 2SO3 dH -297 , 0, -395 dS 249, 205, 256 ( in order of problem
Use Kirchoff's law to calculate ?vapH , the molar enthalpy of vaporization, of a substance at 218.15 K, given that its standard enthalpy of vaporization is ?vapH=32.45 kJ mol at 25.0ºC.
Transmittance, T, is defined as the intensity of light transmitted through a sample divided by the intensity of light incident on the sample. The absorbance, A, is defined as
What volume of 0.250 M KCl(aq) will completely react with 50.0 mL of 0.115 M Pb(NO3)2(aq)? 2 KCl(aq) + Pb(NO3)2(aq) ® PbSO4(s) + 2 KNO3(aq)
showing how the Gibbs energy (G) changes with increasing pressure at constant entropy? Related equation dT/dP at constant S = V/ Cp
Showing dU/dV at constant T = 0 using Maxwell relationship? No need to solve through the whole thing, just relate equations and calculus identity that I may need.
The combustion of 0.0272 mole of a hydrocarbon produces 1.9609 g H2O and 3.5927 g CO2. What is the molar mass of the hydrocarbon
If 5.00 g Br2 and 1.10 g NH3 react according to the equation below, what is the maximum mass of ammonium bromide produced. 3 Br2() + 8 NH3(g) ® 6 NH4Br(s) + N2(g)
Alkanes are relatively inert except for two reactions, combustion and radical halogenations. Show all the products, intermediates and the flow of electrons in the following reaction.
Calculate the specific heat of the vanadium. All the possible information and still can't figure out how to find vanadium's specific heat as no amount of heat is given.
Identify compound Z in the following sequence. (CH3)2CHCH2CN ---HCl, H2O, heat---> compound X ---1. LiAlH4, diethylether, 2. H20 ---> compound Y --- PCC, CH2Cl2 ------> compound Z 1. (CH3)2
The initial temperature of the calorimeter is 23.0}C. If 7.20g of CaCl2 is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The heat of solution\Delta
Be sure to calculate what volume of each 0.50M solution should be mixed to give a total volume of 50.0mL and the reactants in the correct stoichiometry.
A solution is prepared by measuring 33 mL of the concentrated HCl, adding it to water, and diluting to 0.500 L. Calculate the approximate molarity of this solution from the volume, percent compositi
1.201 g of a solid white acid are dissolved in water and completely neutralized by the addition of 28.41 mL of 0.418 M NaOH. Calculate the molar mass of the acid, assuming it to be a monoprotic acid
What is the ratio of the conjugate base concentration to the acid concentration, that is, [B- ]/[HB] when the indicator switches to the acidic color
A sample is known a carbonate. How can I design an experiment that can allow me to determine the exact identity of the carbonate
How many outer atoms and lone pairs are present in a molecule with a see-saw geometry
Calculate the pH at the equivalence point in a titration 45.7 mL of 0.17 M chloropropionic acid with 0.4 M KOH.
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)? The Ka for HOCl is 3.0 x 10-8 M.
At a certain temperature, Keq = 150. Calculate the concentrations of Fe 3+ and SCN- in a solution that has an equilibrium FeSCN2+ concentration of 4.5 X 10^-5 M using the equation . Assume the equil
What was the ?t for the metal c) how much heat flowed into the water d) taking the specific heat of water to be 4.18J/g°C, calculate the specific heat of the metal e) what is the approximate mol