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0110kg stone rests on a frictionless horizontal surface a bullet of mass 900g traveling horizontally at 370ms strikes
the two salts nahpo4 and na2hpo4 are used to make a buffer which one is the acid and which one is the
a hoop of mass m2 kg and radius r005 m is rolling down an inclined plane of vertical height 1 meter at an angle of
a calculate the energy released by the alpha decay of 222rnb calculate the alpha radiation energyc calculate the energy
the ph of a 0010 mol l-1 solution of a weak monoprotic acid is 209 at 25oc what is the pka for this
the isotope 64cu can decay by ec beta- and beta transtionsa calculate the q values for the three modes of decay to the
what is the equilibrium constant kc for the reaction below assume temperature is 25oc hint represent the reaction below
a cannon shoots a cannonball from the ground level ignore the height of the cannon to the top edge of a cliff that is
use retrosynthetic analysis to suggest a way to synthesize 3-hexanol using the grignard
what region of the c13 nmr spectrum would you find a resonance for the carbonyl group of an aliphatic
a car travels east at 94 kmh for 50 h it then travels 450deg east of north at 129 kmh for 50 ha what is the average
calculate the of carbon dioxide in water at an atmospheric pressure of 50 atm mole fraction 000333 kh mollatm 674 x
what product would you get when reacting phenol and chloroacetic acid in a basic solution followed by
a 100 l solution contains 0050 m nacl and 0050 nabr what is the solution concentration of chloride if 0040 moles of
arrange the following solutions in order of increasing phfrom lowest to highest and explain your reasoning assume each
two boxes are connected to each other the system is released from rest and the 200kg box falls through a distance of
calculate the total heat required in joules to convert 395 grams liquid ethanol c2h5oh at 250 degc to gas at 950 degc
the first step in industrial nitric acid production is the catalyzed oxidation of ammonia without a catalyst a
the horizontal and vertical components of the initial velocity of a football are 20ms and 30ms respectively assume that
what is the ph of the solution when 5803 ml of the 1309 m naoh are added to the 0521 m propanoic acid solution what is
suppose a manufacturing plant has an average sound intensity level of 970 db created by 25 identical machinesa find the
calculate the oh- of each aqueous solution with the following h3o at 25 degrees c a baking soda 10x 10-8m b orange
calculate the h30 of each aqueous solution with the following oh- at 25 degrees c a naoh 10x 10-2m b asprin 18x 10-11m
formic acid hcooh is secreted by ants calculate h3o for a 780e-3 m aqueous solution of formic acid ka