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In a certain industrial process involving a heterogenous catalyst, the volume of the catalyst (in the shape of a sphere) is 10.0cm cubed. If teh sphere were broken down into eight spheres each having a volume of 1.25cm cubed, and the reaction is run a second time, which of the following accurately characterizes the second run? Choose all that apply.
The second run will be fasterThe second run will be slowerThe second run will have the same rate as the firstThe second run has twice the surface areaThe second run has eight times the surface areaThe second run has 10 times the surface area
approximately what percentage of the acetic acid molecules are protonated and neutral in charge at pH 5.7?
A .464 g sample of a metal, M, reacts completely with sulfuric acid according to M+H2SO4 yields MSO4+H2. A Volume of 211 mL of H is collected over water, the water level in the collecting vessel is the same as the outside level.
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 23 degrees celsius. Reaction A: delta H = 10.5 kj/mol
Calculate the volume change upon mixing sufficient ethanol with 8.85mol of water to give this concentration. The densities of water
Suppose that the microwave radiation has a wavelength of 11.6cm . How many photons are required to heat 225 mL of coffee from 25.0 C to 62.0C ? Assume that the coffee has the same density, 0.997 g/mL, and specific heat capacity, 4.184 , as water o..
Two liters of a buffered solution are created from .55 M HC3H5O3 (Ka= 1.3 E-4) and .45 M NaC3H5O3. what is the pH of the solution?
Calculate the Gibbs free energy of the separate components, the Gibbs free energy of the mixture and the Gibbs free energy of mixing
Why does the same amount of liquid when left in a wider and flatter container evaporate quicker than when left in a narrower and deeper container?
What happens when the external pressure is lower than the vapor pressure of a liquid in a container?
A microwave oven operates at 2.40 GHz. What is the wavelength of the radiation produced by this appliance? in nano meters
If 500 g of KCIO3, decomposes and produces 303 g of KCl, how many grams of O2 are produced?
Cl revealed that it contains 33.33% C atoms by number and has a molar mass of 248.75 g/mol. What is the molecular formula of this compound?
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