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If an automobile travels 245 mi with a gas mileage of 21.5 mi/gal , how many kilograms of CO_2 are produced? Assume that the gasoline is composed of octane, , whose density is 0.69 g/mL.
calculate the root-mean-square speed of Ne atoms at the temperature at which the average kinetic energy
A solution of lactic acid, HC3H5O3, on a laboratory shelf was of undetermined concentraton. If the pH of the solution was found to be 2.51, what was the concentration of the lactid acid?
Calculate the pH of a 7.40×10^-1 M aqueous solution of sodium fluoride (NaF). (For hydrofluoric acid, HF, Ka = 7.20×10^-4)
Lithium will react with oxygen in a pressurized container to produce solid lithium oxide at 25°C. If 0.125 g Li(s) is placed in a 0.450 L container filled with oxygen at 1.85 atm, determine the final pressure inside the container
Description of amino acids, Chiral compounds occur when a carbon atom has four different things bonded to it. All but the simplest amino acids (glycine) are chiral because the alpha carbon has an amine group
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
A chemical reaction is found to have an activation energy (Ea = 15 kJ/mol). At a temperature of 505 K, what fraction of collisions have enough energy to exceed the activation energy
A 50 mL sample of 0.10 M HCl is mixed with 100 mL of 0.20M NH3. What is the resulting pH? (Kb for NH3 = 1.8 x 10-5).
calculate the concentration of all soluble Hg(II) species. Which Hg(II) species is most prevalent? Assume there are no solids present, that the major ligands present are Cl- and OH-
Important information about balanced chemical equation, 1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?
What would the reaction: Bi + excess Cl2 yield? I know Bismuth can only attach to I think 3 chlorides because of the inert pair effect but I guess that's the part I'm unsure about! So would it be BiCl3
The lab was where we had to carry out aldol condensation to prepare benzalacetophenones using C7H5OCl and acetophenone. The result was 4-chlorobenzaldehyde
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