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Calculate the molarity of 75.0 mL of a solution that is 0.92 % by mass NaCl. Assume the density of the solution is the same as pure water.
Briefly explicate what the consequences would be if excess 6M NaOH solution is utilized instead of 6M NH3 solution to separate the Al+3 and Cr+3 ion.
The krypton and barium atoms generated are themselves prone to undergoing fission. d.Uranium-235 fission generates three neutrons from one atom, and each neutron can start fission in another uranium-235 atom.
How long will it take to deposit 0.00470 moles of gold by electrolysis of KAuCl4 (aq) using a current of 0.214 amperes? Which metal would be suitable to provide cathodic protection from corrosion for an iron bridge?
What differences might you expect in the comparative solubility of each of them in lipids? WHY?
a) How many moles of water form when 5.00L of propane gas completely reacts? b) How many grams of CO2 are produced from 18.5 g of oxygen gas and excess propane? c) How many grams of H2O can be produced from the reaction of 8.50*10^22 molecules of ..
Acid rain was at one time an important point of contention between the United States and Canada. Much of this acid was the result of the emission of sulfur oxides by coal-fired electricity-generating plants in southern Indiana and Ohio
A strong line in the spectrum of atomic mercury has a wavelength of 254 nm. While mercury emits a photon of light at this wavelength, the frequency of this light is
when NaOH is added to this solution, a white precipitate forms. Using an equation, provide the identity of the white precipitate and explain its formation.
The arrangement of the orbitals is the same in a multielectron atom and a single-electron atom. In the Li atom, the 3s, 3p, and 3d orbitals have different energies. The He atom has one electron each in 1s and 2s orbitals.
Why do you suppose that, at high temperatures, a molecule of water vapor (H2O) has three rotational degrees of freedom and a molecule of nitrogen gas (N2) has only two?
It takes 55.0 J to raise the temperature of an 11.7 g piece of unknown metal from 13.0 C to 25.0C. What is the specific heat for the metal?
sulfur dioxide and molecular oxygen react to form SO3 according to the following equation. in one experiment, 2.00 mol of SO2
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