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chemistry experiment question a clear solution is heated and forms a precipitate when cooled it returns to clear
solid potassium chlorate forms oxygen o2 gas and solid potassium chloride when heated2 kclo3 3 o2 2 kcla how many
consider the following reaction how many moles of oxygen gas are required to produce 542 moles of sulfur dioxide so2
aluminum chloride alcl3 is an inexpensive reagent used in many industrial processes it is made by treating scrap
determine the concentration of a solution prepared by diluting 50 ml of a stock 250 m cano32 solution to 1500
write the correct chemical formulas with state for the products that would form if any when the following aqueous
if someone takes a breath and the lungs expand from 42 l to53 l in volume and the initial pressure was752 mm hg what is
whennbspn2gnbspreacts withnbspo2gnbspto formnbspno2gnbspaccording to the following equation energy is absorbed from the
a rubber ball with a mass of 066 kg is released from rest from a height of 10 meters above the ground due to the
any help with solving this problem would be appreciatedan adult is riding on a carousel and finds that he is feeling a
why does it make sense to consider workforce planning and aggregate planning simultaneously in many
a 196nbspkg dog is running northward at 248nbspmsnbsp while a 674nbspkgnbspcat is running eastward at 275nbspms their
consider the following distribution of objects a 100-kg object with its center of gravity at 0 0 m a 420-kg object at 0
how tall in centimeters must a column of liquid water with a density of 1000 kg m-3 be to balance an atmospheric
a not so brilliant physics students wants to jump from a 3rd floor apartment window to the swimming pool below the
a ship has a top speed of 3 ms in calm water the current of the ocean tends to push the boat at 2 ms on a bearing of
a playground merry-go-round massnbspm842 kgnbspr3087 m is initially rotating with an angular speed of omega0634 radsto
a 195-kg load is hung on a wire of length of 390 m cross-sectional area 2000 10-5 m2 and youngs modulus 800 1010 nm2
a massless pull-up bar in the gym has a length ofnbspl841 cm and is connected to the wall through a joint at the bottom
you are standing a distancenbspl2676 m away from a straight road watching a car with massnbspm13588 kg travelling
consider the rotation of the sun m1989times1030nbspkg r6955times108nbspm if it were to collapse without losing mass
a playground merry-go-round massnbspm784 kgnbspr2578 m is initially rotating with an angular speed of omega0805 radsto
bell telephone and later atampt was the pioneer of the telecommunications industry in the united states they ran the
a heavy flywheel rotating initially at 1500 rpm is allowed to slow down to 1120 rpm in 102 minutes due to air and
if a person of massnbspm651 kg stands on a bicycle pedal at rest with a lengthnbspl 211 cm what is the torque that the