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What is globalization and how do you think it might have affected the economy over the past decade
purpose a mechanism for the polymerization of methyl methacrylate in the presence of t-butyl proxybenzoate
Calculate the number of grams of aluminum required to prepare 500.0g of chromium metal.
the heat of neutralization for this acid-base reaction is measured by using nbspa coffee cup calorimeternbsp the
This is heated and decomposed to magnesium pyrophosphate (Mg2P2O7), which is weighed . A solution of H2PO4- yielded 1.054 g of Mg2P2O7 . What weight of NaH2PO4 was present originally
Suppose you placed 0.500 mol of COBr2 in a 2.00 liter flask and heated it to 73°C. After equilibrium was reached, suppose you added an additional 2.00 mol of CO to the flask at the same temperature
A voltaic cell is constructed that uses the following reaction and operates at 298 K. (Ered Ni+2 is -0.277) Zn(s) + Ni2+(aq) Zn2+(aq) + Ni(s) (a) What is the emf of this cell under standard conditions?
At 1 atm, how much energy (kJ) is required to heat 65.0 g of H2O(s) at -20.0 degrees C to H2O(g) at 135.0 degrees C?
naisolid is gradually combinednbsp to a solution that is 0.011 m in coppernbsp and 0.011 m in silver then calculate
No desiccator is available. the sodium carbonate is cooled to room temperature, but the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution. Will it be too high, too low, or unaffec..
the temperature of the calorimeter (including its contents) rose from 23.18oC to 27.65oC. What mass, in g, of benzoic acid was burned. here is what i did, 3226/122.13=26.41 delta t =4.474 so 4.474*12.5/26.41 =2.12 is the answer 2.12g
Determine whether each of the examples or phrases describes an essential amino acid, a nonessential amino acid, or both essential and nonessential amino acids. A table of amino acids can be found here.
Draw the lowest energy conformation of 3-ethyl-2,4,4-trimethylheptane, depicting the C3-C4 bond on a sawhorse.
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