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The speed of light in a vacuum is 2.998x10^8 m/s. what is the speed of kilometers per hour? what is the speed in miles per minutes?
Technetium-99 is a long-live radioactive isotope of technetium. Each nucleus decays by emitting one beta particle. What is the product nucleus?
Designate the Bronsted-Lowry acid and the Bronsted-Lowry base on the left side of the equation below, and also designate the conjugate acid and the conjugate base on the right side
A quantity of n2 occupies a volume of 1.0L at 310K and 1.4 atm. The gas expands to a volume of 3.3L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions.
An unknown consisting of a single sugar gives a negative fermentation test. Which one of the following tests would allow you to decide which of the five sugars used in this experiment you had?
Considering resonance, arrange the following molecules and ions in order of increasing SO bond order.
As a solid, Fe adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of Fe. What is the volume of a unit cell of this metal
The equilibrium constant, Kp , for the reaction N2O4 (g) == 2 NO2 (g) is 0.142 at 298 K. What is G for the reaction
The nitrate ion (NO3-) is a very poor nucleophile. In fact, solvents such as water or methanol (also weak nucleophiles) are more reactive nucleophiles than the nitrate ion
Calculate the density of hydrogen bromide gas (in g/L) at 733 mm Hg and 47 degrees Celsius
Formulate a chemical reaction for a generic alkyl halide with silver nitrate in ethanol and with sodium iodide in acetone. In each case, which alkyl halides react faster?
How can 1-bromopropane be used to prepare each of the following
What is the mass percentage of iron in a sample if titration of 1.2284g of the sample requires 57.91 mL of .1018M of Ce(NH4)2(NO3)6 for complete reaction?
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