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Which equation represents a reaction that provides the heat of formation of CHCl3 (l)?
a) C (s) + H (g) + Cl3 (g) à CHCl3 (l)
b) 2 C (s) + 3Cl2 (g) + 2H(g) à 2 CHCl3 (l)
c) 2C (s) + H2 (g) + 3 Cl (g) à 2 CHCl3 (l)
d) H (g) + 3 Cl (g) + C (s) à CHCl3 (l)
e) C (s) + 3/2 Cl2 (g) + ½H2 (g) à CHCl3 (l)
1.00 moles of sucrose (C12H22O11), and 1.20 moles of glucose. Sucrose and glucose are nonvolatile. What is the mole fraction of water in this solution?
Consider these aqueous solutions: 0.20m NH4Cl, 0.20m CaCl2, 0.25m NaCl, and 0.30m sugar. Assume these are all ideal solutions. Which solution has the lowest vapor pressure
Problem- What is the product of pentose phosphate pathway. Pentose phosphate pathway is most active in what cells. Why
Hard water contains alkaline earth cations such as Ca2+ which reacts with CO32- to form insoluble deposits of CaCO3. Will a precipitate of CaCO3 form if a 250mL sample of hard water having [Ca2+] = 8.0x10-4M is treated with the following
Determine the values of the slope (b) and y-intercept (a). Plot the Pressure vs Temperature b. using the equation from part a) solve for the temperature as a function of pressure.
Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 7.0×10-2 M NaOH. a) lactic acid (CH_3CH(OH)COOH)
Given that Iron(III) oxide or ferric oxide (molar mass = 159.7 g/mol) reacts with Carbon monoxide (molar mass = 28.0 g/mol).
Determine the number of moles of oxygen that react completely with 8.0 moles of C2H6 based on the following balanced equation.
The two half-cells are connected by a salt bridge. Aluminum metal is oxidized during operation of the voltaic cell. What is the half-reaction that occurs at the cathode
the activation energy of a certain reaction if 65.7kjmol. how many times faster will the reaction occur at 50 degrees
Problem- A Cu/Cu2+ concentration cell has a voltage of 0.20V at 25 ?C. The concentration of Cu2+ in one of the half-cells is 1.6×10?3M
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO (aq) with 0.140 KOH (aq)
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