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Calculate the concentration of each of the following solutions in mass percent. Part A - 9.15g C2H6O in 71.1g H2O, Part B - 104g KCl in 608g H2O, Part C - 36.3mg KNO3 in 2.44g H2O
Calculate the force of attraction (in N) between a cation with a valence of +2 and an anion with a valence of -2
a sample of co2 g in a piston at 7.5 atm and 1090. l is allowed to come to equilibrium against a constant external
Calculate How many palladium atoms will have to be laid side by side to span a distance of 4.28 mm if The radius of a palladium atom is 137 pm.?
Write an orbital diagram for the ground state of the Calcium atom. Is this atomic substance diamagnetic or paramagnetic
Perkin and related reactions, There are numerous condensations that are closely related to the Perkin reaction
In a concentration cell established using 0.120 M Ag+ solution and a saturated AgCN solution, the measured Ecell is 0.8500 V. Calculate the molarity of the Ag+ ion in the saturated solution.
at conditions of 785.0 torr of pressure and 15.0 Celsius temperature, a gas occupies a volume of 45.5 Celsius what will be the volume of the same gas at 745.0 torr and 30.0 Celsius.
How many moles of bromine trifluoride are needed to react completely with 9.68 moles of titanium (IV) oxide?
A gas expands and does P-V work on the surroundings equal to 345 J. At the same time, it absorbs 191 J of heat from the surroundings. Calculate the change in energy of the gas.
determine K for this reaction When a sample of 5.63 grams of pure C 5 H 6 O 3 (g) was sealed into an otherwise empty flask of 2.50 L and heated to 200.
When the optically active compound V (c5h11br) is heated with an ethanolic solution of potassium hydroxide, the major product is the alkene W and the minor product is another alkene, X.
What would be the wavelength of a photon that would be able to break the Cl-Cl bond in Cl2. The bond energy in Cl2 is 243 kJ/mol.
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