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An unknown solution containing merely group one cations forms a white precipitate, P1 upon addition of hydrochloric acid. Addition of hot water produces a clear solution, S1. Explain which cation(s) is(are) definitely present, which is(are) definitely absent as well as which is(are) uncertain in P1 and S1 based on the evidence give? State balanced net ionic equations to illustrate your reasoning.
Balance the following equation in acid solution and determine if it is spontaneous when all ion concentrations are 0.010 M and the gas pressure is 1 atm. NO3¹? (aq) + Sn²? (aq) ? NO(g) +Sn4? (aq)
derive expression and numerical value for compression factor of gas that obeys the equation of state.derive an
a baseball is seen to pass upward by a window 22m above the street with the vertical speed 13ms. if the ball was thrown
How much ammonia in a lab at 22 degree celcius would be necessary to make 1.0 g of urea if the yield is know to be less than 57%
The absolute configurations for cis-1,2-dimethylcyclopropane would be a) (R,R) b) (S,S) c) either (R,R) or (S,S) d) (R,S)
Calculate the delta G at 400K for the following phase change: Sulfur(monoclinic) to sulfur rhombic. Do not assume that delta H or delta S are independent of temperature
What is the Keq for a chemical reaction which has Eo of +0.50v and a 3 electron exchange
Acetylene gas (C2H2) burns with oxygen in an oxyacetylene torch to produce carbon dioxide, water vapor, and the great heat needed for welding metals. The heat of combustion of acetylene is 1259 kJ/mol.
Determine the number of moles of oxygen that would be needed to completely combust 0.0350 moles of benzene
Describe the roles played by Max Planck, Niels Bohr, Erwin Schrodinger, Paul Dirac, Albert Einstein and Werner Heisenberg in the development of atomic or quantum theory.
Explain is there a relationship between the presence or absence of solution color as well as the ionic radius of the metal ion
an ordinary 3.0 v flashlight bulb draws roughly 0.25 a of current and converts about 1.0 of the electrical power into
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