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1 calculate the ph value of a solution having a concentration of hhydrogen ion of 535e-09 m at 25degc include 2
a cylindrical tank measuring 600 feet in diameter and 17 feet 6 inches in length is filled with room temperature water
what are aromatic compounds woth reference to structures in organic
give two examples of atoms or elements that exhibits resonance hybrid
1 in nothern crete mixed deposits of volcanic ash building debris cultural material and marine fossils near the beach
two streams of argon are mixed in a steady-state process the first inlet stream has a flowrateof 50 mols and is at 500k
two streams of water are mixed in a steady-state process one stream of 15 kgs at 950c and asecond stream of
if the reaction vessel were exposed to water during the course of the reflux would a diels-alder reaction also take
can someone answer these three questions1nbspjenny wants to determine if a new brand name washing detergent is better
what is the appropriate half-reactions for the haber process explainwhat are two environmental aspects of the haber
what is the scientific method what is the interrelationship between scientific hypotheses laws and theories why is
slicing an average loaf of bread gives 13 medium thickness slices each slice of bread is to be coated with 005 oz of
a cylinder of a gas mixture used for calibration of blood gas analyzers in medical laboratories contains 50 co2 120 o2
a high altitude balloon is filled with 141 times 104 l of hydrogen at a temperature of 21 degc and a pressure of 745
what is the temperature of an 112-l sample of carbon monoxide co at 744 torr if it occupies 133 l at 55 degc and 744
if the caffeine concentration in a particular brand of soda is 313 mgoz drinking how many cans of soda would be lethal
can someone answer this various properties of a liquid are recorded during an experiment the volume of the liquid is
aluminum and oxygen combine in a mass ratio of 900 to 800nbsp if a flashbulb containsnbsp 54 10-3 grams of aluminum
1 using avogadros number calculate the number of atoms in 0005 kilograms of carbon2 if there are x atoms in 5 grams of
a mole of carbon atoms has a mass of 12 grams and a mole of magnesium atoms 24 grams what is the mass ratio of a single
a 0245-l flask contains 0467 mol co2 at 159 degc calculate the pressurea using the ideal gas lawb using the van der
what is the ratio of the average kinetic energy of a so2 molecule to that of an o2 molecule in a mixture of two gases
heavy water d2o molar mass 2003 g mol-1 can be separated from ordinary water h2o molar mass 1801 as a result of the
if the vapor pressure of water is 2380 mm hg at 25oc what is the vapor pressure of a 005560 m solution of compound
the reaction of hno3 with x2co3 produces co2 water and xno3nbspa write a balanced molecular reaction for this processb