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problem- lets explore the scientific method here is the situation we are planting a garden we have a variety of bulbs
problem- in a constant-pressure calorimeter 750 ml of 0910 m h2so4 was added to 750 ml of 0490 m naoh the reaction
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problem- ammonia is a weak base calculate delta g at 25 degrees c for the weak base equilibrium reaction for ammonia in
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problem- a commercial aqueous solution of ammonia is 28 nh3 by mass and has a density of 0900 g ml-1a calculate the
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problem- 1 in your own words explain specifically where the electrons would flow in a copperlead voltaic cell more
problem- which reagent can affect the following transformation i think a and b can do the same thing although im not
problem- iodine-131 is used in the diagnosis and treatment of thyroid disease and has a half-life of 80 days if a
problem- give the symbols for the nuclide that is formed in each of the following radioactive decays by indicating the
problem- assume a constant 14c12cratio of 136 counts per minute per gram of living matter a sample of a petrified tree
problem- which reagents would serve as a basis for a simple chemical test that would distinguish between the pair of
problem- a solution prepared by dissolving 480 g of unknown organic compound in 220 g of water calculate the molar mass
problem- which compound of the following would you expects to have the lowest boiling point my guess is c because im
problem- an experimenter makes up a solution of 0310 mol na3po4 0100 mol cano32 and 0150 mol agno3 in 4000 liters of
problem- determine the molarity of a solution containing 4 moles of li2so4 in 2l solution 24 moles of cuso4 in 15l
problem- 2269 2319 2268 avrage 228 what is the percent deviation i had 02 but my teacher said it was wrongi am not
problem- sucrose decomposes to fructose and glucose in acid solution when in sucrose is plotted vs time a straight line
problem- the standard reduction potentials in volts for pb 2 and ag are -013 and 080 respectively calculate e in volts
problem- consider two 200l flasks one of which contains 0250 mole of o2 gas at 500 degrees celsius and the other of