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Problem- A certain liquid has a vapor pressure of 92 torr at 23 C and 209 torr at 45 C calculate the value of delta H vap for this liquid and calculate the normal boiling point.
Thank you! My final is tomorrow and I am in desperate need!
If 60.0g of Cu metal at 85C were added to 60.0g ethanol at 10C in a calorimeter of heat capacity 30.0 J/K what would the final temperature be assuming no heat losses? cp for Cu= 0.380 J/K/g and Cp for ethanol = 60.0 J/K/mol
A voltaic cell consists of an Mn/Mn2+ half-cell and a Pb/Pb2+ half-cell. Calculate [Pb2+] when Ecell is 1.017 V and [Mn2+] = 0.589 M. Use reduction potential values of Mn2+ = -1.18 V and for Pb2+ = -0.13 V.
determine the PH of each of the following a) 10mL of .2M Acetic acid and 1.00mL of .1M sodium hydroxide, and 9.0 mL of distilled water? B) 10 mL of sodium acetate and 1.0mL of .1M HCL and 9.0 mL of distilled water?
how many grams per liter of sodium acetate would need to be dissolved to produce a ph of 8.00 in a hydrolosis reaction
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 13.0 oz drink from 74 degree F to 31 degree F
Calculate the solubility of Ni(OH)2 in a) distilled water and b) at pH of 4.0. Justify your answer. I know I need to use a mass balance ans the reaction for disolution is
Explain Milk of Magnesia is a suspension of magnesium hydroxide in water. A common medicine, it is frequently used as an antacid for the reason that it neutralizes hydrochloric acid in the stomach
If the reaction of chloroethane with water in the gas phase to produce ethanol as well as hydrogen chloride has a ΔH=26.6 kJ mol-1 and ΔS=4.81 J K-1 mol-1at 25C. Be careful with the units. Compute ΔG for the reaction as well as equilibrium constant..
a sled-dog racer builds three identical igloos. one is used to store her supplies another houses her team of 12 dogs
Which element has 55 neutrons, 36 electrons, 40 protons and has a mass of 95. I know its 95Mo but does it have a ion charge of +2,+4,or+6? I've tried +2 and +6 but its wrong. Help would be appreciated.
A muon is a fundamental particle equivalent to a one electron atom. The particle has Z = 2 and a negatively charged participle that is the same charge as the electron but 207 more massive. Compute the energy of the negatively charged particle if i..
If 2.50L of 1.25M BaCl2 added to 3.50L of 2.45 M NaCl, what is molarity of Chloride ions in final solution
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