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explain a metal weighs 2166 g determine the volume of that metal that is150 cm long0550 cm wide and 0250 cm
the compound ab is in equilibrium with a as well as b- in a specific solvent at a given temperature if the equilibrium
the atmospheric pressure on mars is about 200 torr depending on the location express this pressure in atm psi and
a solution of 200 g of para-dichlorobenzene a clothes moth repellant in 500g of cyclohexane freezes at 105 deg c
100 ml of 2 hcl is titrated with 25 mnaohdetermine the ph of the solution after adding 50 ml of basedetermine the ph of
1 explain what types of chemical compounds describe trimyristin and its soaps2 explain what happens to the trimyristin
compute the frequency in hertz of the photon that is emitted when an electron falls from level n10 to level n5 in the h
a student followed the procedure of this experiment to find out the caloric content of a planters cocktail peanut the
if it takes 348 x 10-19 j of energy to eject an electron from the surface of a certain metal compute the longest
explain with which food label value will you compare your experimental result when computing the percent difference in
if an fm radio station broadcasts at a frequency of 936mhz 1mhz106 hz or cycles per second explain what is the
explain which of the subsequent coordination compounds have geometric isomers note that the geometry of the
explain what is the wavelength of light that is emitted when an excited electron in the hydrogen atom falls from n 5
if the rate constant of a first order reaction is 487 x10-5s-1 at 15 deg c compute the rate constant at 80 deg c if the
a certain anesthetic contains 649 percent c 135 percent h and 216 percent o by mass at 120degc and 750 mmhg 100 l of
if the pressure of 40 l of an ideal gas in a flexible container is decreased to one-eighth of its original pressures as
the heat of combustion of propane is 2220 kj mol the specific heat of copper is 0385 jg c how many grams of propane
what are the rules for rounding off the results of
calculate the volume in ml of liquid pure sulfuric acid h2so4 needed to make 100l of an aqueous solution with a ph of
formic acid hcho2 burns in oxygen to form carbon dioxide and water as follows hcho2aq o2g rarr co2g
the two following compounds are called crown ethers and they are used to protect alkali metal ions in some reactions
explain which of the subsequent combinations of quantum numbers do not represent permissible solutions of the
finding out amt of sugar in sodas if the soda unknown was set out thus the carbonation is lost what would have been the
state equations for the dissolving process in water for each of the following showing ions or molecules that forma hclb