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explain how many grams of which reactant remains after the reaction of 150 g of mno2 869 gmol as well as 300 g of hcl
a gas cylinder contains 370 grams of o2 gas at 30atm and 25c explain what mass of o2 gas would excape if first the
a 10-l vessel containing 800 grams of o2 is connected by means of a valve to a 5-l vessel containing 700 grams of n2
compute the concentration of hpo42- and h2po4- at ph 560 in a solution containing one mol of phosphate per liter pkas
ammonia decomposes totally to hydrogen and nitrogen gas if the total pressure of the reaction vessel at the end of the
explain how would you make 100ml of a carbonic acid buffer at 02m as well as ph 98 using 05m hco3 and either 01m naoh
the potential energy of water at the top of a dam or waterfall is converted into heat when the water dashes against
presume that you found that the average volume of water required to fill the graduated cylinder to the 800ml mark was
if 25ml of 02 m h3po4 solution is required to neutralize 60ml of a baoh2 solution then what is the molarity of hte
1 explain how many mmol of naoh will react completely with 50ml of 15m h2c2o42 explain how many moles of h3o are
a piece of iron 12 mm by 15 mm has a mass of 36 grams explain what is the thickness of the piece of iron in mm given
a solution of 500 g of lauryl alcohol in 0100 kg of benzene freezes at 41c explain what is the approximate molar mass
in a gaseous 2l reaction system 200 mol of methane ch4g is added to 1000 mol of chlorine cl2g at equilibrium the system
state a short paragraph or use a graphic organizer to illustrate the relationship among the subsequent concepts
a explain how would you make 100ml of a carbonic acid buffer at 02 m as well as ph 98 using 05 m hco3 and either 01 m
the value of kp for the reaction under is 0090 at 25 celsius originally h2og and cl2g are combine at partial pressures
a 100 l container of water was passed through a solid phase extractor as the water passed throughout the extractors the
state an expression for the concentration of a spiked sample x if the 5ml of sample with analyte concentration c was
a buffer solution was prepared by adding 85ml of a 08 m acetic acid solution and 80ml of a 031 m sodium acetate
1 explain which of the subsequent elements have two unpaired electrons and consequently are paramagneticna mg al si p s
phototransduction utilizes a signal transduction cascade similar to mechanisms inspired by hormones and
myoglobin an iron- as well as oxygen-binding protein found in the muscle tissue of vertebrates is 0316 fe by mass if a
while ammonium chloride dissolves in water the solution becomes colder a is the process endothermic or exothermic b
1 a baseball weighs 220g top speed for a professional pitcher is about 100 mph when he throws a fast ball determine the
compute the maximum wavelength of radiation that could have sufficient energy to effect the dissociation of nitric