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How is a sub-orbital is different than an orbital?
Compute the mass of solute and water needed to prepare the following solutions: 1. 150 g of 1.00 m (NH4)2SO4: (a) from pure solid (NH4)2SO4 (b) from solid (NH4)2SO4 with a purity of 87.2 wt-% 2. 1.50 L of a 20 wt-% Pb(NO3)2 solution whose density ..
Explain what would happen if Manganese dioxide was mixed with Potassium iodide and 9M sulfuric acid
Indicate whether energy is emitted or absorbed when the following electronic transitions occur in hydrogen from n=2 to n=6 and from an orbit of radius 4.76 A to one of radius 0.529A from the n=6 to the n=9 state
Dinitrogen pentoxide is a product of the reaction between P4O10 and HNO3. Balance this reaction and calculate the theoretical yield of N2O5 if 79.7 g of P4O10 are reacted with excess of HNO3.
suppose a cup of coffee at the campus coffee shop is 1.50 and a cup of hot tea is 1.25 and a students beverage budget
Assume a microwave oven operates at a frequency of 1.00x10^11 Hz. a) What is the wavelength of this radiation in meters. b) What is the energy in joules per photon. c) What is the energy per mole of photons.
Can someone please explain this to me. My answer was Na+
On a trip of 287 miles, a driver maintains an average speed of 85.0 km/hr. How many minutes does the trip take
Explain the difference between the rate law for a reaction and the integrated rate law for a reaction. What relationship does each kind of rate law express
Dinitrogen monoxide gas decomposes to form nitrogen gas and oxygen gas. How many grams of oxygen are formed when 40.0 g of dinitrogen monoxide decomposes
A radioactive isotope has a half life of 43.2 minutes. How long will it take for the radiation from a 580 pCi sample to decrease to 290 pCi? A radioactive isotope has a half life of 13.6 minutes. How long will it take for the radiation from a 450..
What is the pH of a solution with [OH-] = 1.0 × 10-4 M?
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