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Avogadro's number is big. If you had 6.02 x 1023 dollars, and could spend it at 1 billion (109) per second for your entire life (about 75 years), what approximate percentage of your original money would you have left?
Explain the large disparity in the numerical results pf Part (a). Discuss the advantages and disadvantages of the three energy sources.
Backside attack on the bromonium ion by a bromide ion results in a trans products. The bromine is added to opposite sides of the carbon-carbon double bond.
How many grams of sucrose (C12H22O11, 342.3 g/mol) would be needed to make 2.5 L of a solution with an osmotic pressure of 14 atm at 25°C? (R = 0.0821 L×atm/K×mol) A) 0.57 g B) 6.8 g C) 2.0 × 102 g D) 4.9 × 102 g E) 5.8 × 103 g
Calculate the vapor pressure lowering of a solution of 2.80 g of aspirin (molecular weight = 180.15 g/mol) in 45.0 g of methanol (CH3OH) at 21.2°C.
What is the mass change (in grams) accompanying the formation of CO and H2 in the water gas reaction?
if you start with 5.5 grams of lithium chloride, how many grams of calcium chloride will be produced? mg+2naf=mgf2+2na
Calculate the percent yield of the reaction of 205 grams aluminum hydroxide with 751 grams hydrogen sulfate (sulfuric acid), given that 252 grams aluminum sulfate are produced
Phenolphthalein is an acid base indicator. What color does it possess in the presence of excess hydrogen (i.e., hydronium) ions?
The activation energy for the isomerization of methyl isonitrile (see figure) is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 493 K.
In the reaction below, 1 atm of H2 and 6 atm of Cl2 were placed into a 1.00 L flask and allowed to react: H2(g) + Cl2(g) 2 HCl(g) Given that Kp at 800 K is K = 36, calculate the equilibrium pressure of HCl.
Predict the chemical formulas and IUPAC names of the missing reactants or products, to complete the following chemical reactions
Using curved arrows to symbolize the flow of electrons, write the mechanism for the steps involved in the conversion of 9-fluorenone to 9-fluorenol with sodium borohydride followed by aqueous acid
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