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A beaker contains 115g of ethanol at 18.2 degrees C. Explain if the ethanol absorbs 1125J of heat without losing heat to the surroundings, explain what will be the final temperature of the ethanol? The specific heat of ethanol is 2.46J/g*degrees C.
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)
A certain second-order reaction (B-product) has a rate constant of 1.25×10?3M^-1s^-1 at 27 degree celcius and an initial half-life of 264s . What is the concentration of the reactant B after one half-life
what is the structure of the polymer formed from pentamethylene diamine and sebacoyl chloride with the repeating
Calculate the mass deficiency in amu, binding energy in J/atom, and binding energy in MeV/nucleon for zinc-64, with an actual mass of 63.9291amu
nbspthe highest ambient air concentration of ozone recorded in sanfrancisco in 1994 was 1700 micrograms per cubic meter
Compute the amount of heat liberated when 6.07 g of n-octane is burned completely with excess oxygen to form carbon dioxide and liquid water.
Some alloys of early and late transition metals (e.g., ZrPt3) have much higher enthalpies of vaporization (per metal atom) than either of the pure metals
you have a solution of sodium nitrate containing 140 g at 65 degrees celcius. how many additional grams of solute must
Predict the products of the following reactions: W(CO)5[C(C5H52)(OC2H5)] +BF3 ? (C5Me5)Rh(CO)2? Will I know that the final answer has to be: W(CO)5[C(C5H5)(OC2H5)] +BF3 ? [(CO)5W?CC6H5]+ +F-+F2BOC2H5 (C5Me5)Rh(CO)2? [(C5Me5)Rh(CO)]2 +2CO
If a portion of a tablet weighing 0.365g neutralizes 2.30 x 10 -4 moles of hydrochloric acid, how much acid would the whole tablet neutralize if it weighs 1.84g
A student determined the molar mass of an unknown non-electrolyte compound by measuring the freezing point depression of an aqueous solution of the compound.
3)Which statement describes the net ionic equation obtained between NaCl(aq) and KBr(aq). A) The net equation is Na+(aq)+ Br+(aq)= NaBr(s) B) All spectator ions cancel out, therefore there is no reaction.
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