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A 25.00mL sample of KNO3 solution was diluted to 1.000 x 10^3 mL. The concentration of the final solution is 0.00383 M. Calculate the concentration of the original solution in M.
Write the complete mechanism for the reaction of the above molecule with HCl. Used curved arrows to indicate the formation or breakage of covalent bonds, label all charges, and show each step separately.
Which process would have a entropy greater than 0. a. n2(g)+3H2(g) = 2nh3(g) b. ch4(g) + h2o(g) = co(g) + 3h2(g) I believe it's b. because the molar masses of the products are similar so I would say that b. has more complex species so it's entropy..
Which of the following combinations of quantum numbers can refer to an electron in a ground state cobalt
how many cans of Mountain Lightning would an individual have to drink to die from a tartrazine overdose If the LD50 of tartrazine in humans is supposed to be 12,750 mg/kg (as it is for mice) and the average human weighs 70 kilograms,?
If the barometric pressure on a mountain top in colorado is 521 mm of mercury what is the pressure in inches of hg. in atmospheres. in Pascals
If you have 375 molecules in a 10^-4 dilution, how many molecules were in the original solution
A galvanic cell consists of an electrode composed of aluminum in a 1.0 M aluminum ion solution and another electrode composed of silver in a 1.0 M silver ion solution, connected by a salt bridge. Calculate the standard potential for this cell at 2..
Three solutions are mixed together to form a single solution. One contains 0.2 mol Pb(CH3COO)2, the second contains 0.1 mol Na2S, and the third contains 0.1 mol CaCl2. Write the net ionic equations for the precipitation reaction or reactions that ..
A flask contains 0.230 mols of liquid bromine Determine the number of bromine molecules present in the flask.
A 530. g piece of copper tubing is heated to 92.0°C and placed in an insulated vessel containing 49.5 g of water at 39.5°C. Assuming no loss of water and heat capacity for the vessel of 10.0 J/K,
consider the following equation that describes the complete combustion of propane.nbspthe bond energies are c-h 416
Alpha-linolenic acid is one of a large group of fatty acids that are found in fish oil, walnuts and canola seeds. These nutrients are essential for good health. All of these fatty acids consist of an unsaturated hydrocarbon that is terminated by a..
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