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Discuss the social, clinical and research applications of PCR. give one example of each category o application
Find the molcular heat capacity in units. Does the law hold up? Can you distinguish a metallic element from a nonmetal this way. Metalloids
A reaction has a rate constant of 0.0686 sec-1; how long will it take (in minutes) until 0.198 mol/L of the compound is left, if there was 0.715 mol/L at the start? (give answer to 3 sig figs using E notation)
A sample of gas is cooled from 440 K to 330 K, if the initial volume was 1.6 L, what was the final volume?
Consider a lithium nucleus, of charge +3q Calculate the first three electron energies for an electron in Li++ ion
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When calcium carbonate decomposes, calcium oxide and carbon dioxide are formed.
Using the Solubility Product Constants for Compounds at 25°C from Appendix II of our book, Determine which of the following compounds would be the LEAST soluble. a) Aluminum phosphate b) Calcium hydroxide c) Copper (I) cyanide d) Lead (II) chlorid..
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
write two equations that show thw two-stage ionization of sulfurous acis in water.(H2SO3) which stage of ionization is likely favored?
Calculate the mass of Li formed by electrolysis of molten LiCl by a current of 6.9×104 A flowing for a period of 23h . Assume the electrolytic cell is 80% efficient.
The value of heat of reaction for the following reaction is -6535 kJ. What will the amount of heat in kJ evolved during the combustion of 13.1 grams of C6H6? The value of heat of reaction for the following reaction is -6535 kJ. What will the a..
An excited hydrogen atom emits light with a frequency of 1.141 multiplied by 1014 Hz to reach the energy level for which n = 4. In what principal quantum level did the electron begin?
How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy
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