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Verify the colors in the diagram of the Bohr hydrogen model is correct using mathematical proof.
write complete ionic equation to show the reaction of aqueous hg2no32 with aqueous sodium chloride to form solid hg2cl2
Nitrogen gas when combined with hydrogen gas forms ammonia gas according to the following equation N2(g) + 3H2(g) = 2NH3(g). Delta H(rxn)=-56 kJ. The delta H(rxn) was determined using Hess's Law and the following three related reactions
How many grams of NaOH are in a 225.0 mL sample of a 2.5 M solution of NaOH? (Molar mass of NaOH is 40.0 g/mol)
What is the normality of a solution prepared from 10 ml 0.6 N nitric acid by diluting it to 60 ml
use the values for delta G to calculate Kp for the above reaction at 500 degrees celcius.
A spherical ball of lead has a diameter of 4.0cm . What is the mass of the sphere if lead has a density of 11.34g/cm^3? (The volume of a sphere is (4\3) pi r^3 where r is the radius.)
How much energy is contained in 1 mol of each photon? A. x-ray photons with a wavelength of .160 nm. (answer in kj/mol) B. wavelength-ray photons with a wavelength of 2.53X10^-5 nm.
analyze the societal implications of using this process
What is the numerical value of the rate constant and what are the units? D) Calculate the rate of this reaction when the initial concentrations of OCl- and I- are 7.6 x10-3 M and 9.6 x 10-3M respectively.
Select the gas with the largest root-mean-square molecular speed at 25°C. a. NH3 b. CO c. H2 d. SF6
Problem- A graph of natural log of counts per minute vs elapsed time (in minutes) for a radioactive sample produced a straight line plot with a slope of -0.301 min^-1. What is the half-life of this sample
Two unknowns X and Y both having molecular formulas C4H8O, give the following results with four chemical tests. Propose structures for X and Y consistent with this infomation, Bromine Na Metal Chromic Acid Lucas Reagent
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