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if you did not know that the first liquid tested was water would you have been able to identify it based on its melting
can someone explain how to solve1 determine the relative error for the following quantity 547plusmn005 047plusmn003 -
a student increases the temperature of a 556 cm cubed balloon from 278 k to 232 k assuming constant pressure what
aqueous hydrogen fluoride hydrofluoric acid is used to etch glass and to analyze minerals for their siliconnbspcontent
a gas at constant temperature occupies a volume of 240 l and exerts a pressure of 085 atm what volume will the gas
what volume of 008892m hno3 is required to react completely with 02352 g of potassium hydrogen phosphate2hno3aq
aa serving of chicken a la king has 235 kcal if the serving has 11 g of carbohydrates and 12 g of fat about how many
what is the heat of fusion of ethanol in calories per molenbspthe heat of fusion for ethanol is 452 calgnbspthe molar
a student uses a calorimeter to determine the enthalpy of dissolving for ammonium nitratenbspthe student fills a
what type of hydrocarbon is 2-octene and what about the structure allows 2-octene to be classified as this type of
peanut butter has 1520 calories per tablespoon if the oxidation of glucose yields 670 kcal of energy per mole of
three reactions are provided below write a complete sentence that describes the specific chemical change that
how are you able to determine which atom is more electronegative when looking at the periodic table of elements for
amonium nitrate a common fertilizer is used as an explosive in fireworks and by terrorists it was the material used in
aqueous potassium iodate kio3 and potassium iodide ki react in the presence of dilute hydrochloric acid as shown
how many milliliters of gasoline have a mass of 27nbspkgnbspd074gml express your answer to two significant figures and
the equation for the dissociation of ammonia in water at equilibrium isnh3nbsp h2o harr nh4nbsp oh-nbspyou start with
1 a 100 l gas cylinder is filled with 700 moles of gas the tank is stored at 13 c what is the pressure in the tank2 a
we place 0123 mol of a weak acid ha in enough water to produce 100 l of solution the final ph of the solution is 127
the solubility product of cuoh2nbspis 48 x 10-20 calculate the value of pcu2 or -logcu2 in an aqueous solution of naoh
can you please help me solve this problem ive tried it many ways but cant seem to get one of the answer
a 250 ml sample of oxygen gas at 20 c and 0500 atm is cooled to a pressure of 0250 atm if the volume remains constant
suppose that the dotarea representing the longest wavelength of color in this situation was located 21 mm from the
what are some of the causes of both indoor and outdoor air pollution where you live work or attend school how does this