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carbonated beverages like coke pepsi and 7-ip contains acids usually phosphoric and or citric acid propoese a
according to a rule-of-thumb every five seconds between a lightningflash and the following thunder gives the distance
using a ph meter the ph of cranberry juice cocktail was found to be 2046 which indicate that the h3o3047 x10-3 m
to weigh a fish a person hangs a tackle box of mass 35 kilogramsand a cooler of mass 5 kilograms from the ends of a
the armature of a shunt motor has a mass of 250 kg and a diameter of 30 cm assume the mass of the amature is evenly
an attempt at synthesizing a certain optically active compound resulted in the mixture of its enantiomers the mixture
a block of mass 25 kg is placed on a horizontal table the coefficient of friction between block and table is 020 this
the cofficient of friction between the 3 kg blockand surface in figure is04the system starts from rest what is the
a plane is inclined at an angle of 30 degrees with respect tothe horizontal a block of mass 60 kg is placed at
a gas mixture with a total pressure of 740 mmhg contains the following gases at the indicated partial pressures co2 115
suppose one of the global positioning system satellites has aspeed of 446 kms at perigee and a speed of 364 kms at
two paticles of equal mass have different velocities and acceleration of one particle is zero what is the movement
the density of a 245m solution of methanol ch3oh is 976 gml what is the molality of the
while you are traveling in a car on a straight levelinterstate highway at 90 kmh another car passes you in the
you heat a 045 kg sample of metal to a temperature of 80 degrees then quickly transfer it into a beaker that contains
can someone explain why nuclear fission and nuclear fusion processes produce large amounts of energy the processes are
a boy starts from point a and moves 5 unitstoward the east then turns back and moves 3 units toward the west what is
calcium reacts with oxygen to make calcium oxide cao what is the theoretical yield g of caos that could be prepared
a beaker containing 250 ml of a 0500 m solution of acetic acid ch3cooh is added to 125 ml of a 0850 m solution of
a 040 kg ball attached to the end of a horizontal cord isrotated in a circle of radius 13 m ona frictionless horizontal
when hydrogen sulfide gas is bubbled into a solution of sodium hydroxide the reaction forms sodium sulfide and water
calcium nitrate and ammonium fluoride react to form calcium fluoride dinitrogen monoxide and water vapor what mass of
1-when 305 ml of 0565 m h2so4 is added to 305 ml of 113 m koh in a coffee-cup calorimeter at 2350degc the temperature
one thousand kg-molehr of an equimolar mixture of propane1n-butane2 is burned in 60 excess air where 45 of propane1
uranus requires 84 years to orbit the sun find uranuss orbital radius as a multiple of earthss orbital radius show your