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The concentration of a dye and concentration of bleach (NaOH) was determined experimentally by using Beer's Law. The rate constant is unknown. How do you calculate the reaction rate based on the graph of the reaction and the 2 concentrations of the reactants?
Silver metal crystallizes in a cubic closest packed structure. The face centered cubic unit cell edge is 409 pm. Calculate the density of the silver metal.
The alkalinity of water is 150 mg/L as CaCO3. How much H2SO4 (as both CaCO3 and H2SO4) will it take to lower the alkalinity 60 mg/L
Formic acid, shown below, is a monoprotic acid, circle the acidic hydrogen. write the formula of the conjugate base after the acidic hydrogen is lost?
What is the value of Ecell for a concentration cell that combines silver electrodes in contact with 0.10 M silver nitrate and 0.00003 M silver nitrate solutions? ( E = + 0.80 V for Ag/Ag+)
consider a warm 30 degree celsius 355 ml can of soda under 2.5atm co2 pressure. what volume of co2 will bereleased from
A 20.06g sample of mercury (Hg) reacts with chlorine to produce 23.61g of compound. What is the empirical formula of the compound formed. If the molecular mass is approximately 480 amu, what is the molecular formula
Given this data for oxygen (O2), sketch its phase diagram. Label: solid, liquid, gas, normal boiling point, normal melting point, triple point, and critical point.
a student needs to prepare a standard sodium hydroxide solution of approximately 0.055 molsdotl-1 concentration.
A Vessel of of volume 22.4 L contains 2.0 mol H2 and 1.0 mol N2 at 273.15 K initially. All the H2 reacted with sufficient N2 to form NH3. Calculate the partial pressures and the total pressure of the final mixture.
Draw every stereoisomer for 1,2-difluoro-1,2-dimethylcyclopentane. Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring,
A gigantic balloon is filled to a pressure of 752 mm Hg at 12.5 ºC with pure helium gas. Once inflated, the balloon holds a total volume of 2.2 x 106 liters. How many grams of helium were used in this process?
Assume that the products are carbon dioxide and water. Answer the following question: If ONE mole of iso-octane is burned, how many mols of water are formed
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