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a 352ml 166m kmno4 solution is mixed with 167ml of 892m kmno4 solution calculate the concentration of the final
you push with a horizontal force of 480 against a 230 box pressing it against a rough wall to hold it in place the
consider a 0500 l buffer solution that is prepared from ch3cooh 0400 m and ch3coo- 0300 m calculate the ph of this
a load of bricks with mass 158 hangs from one end of a rope that passes over a small frictionless pulley a
a cars catalytic converter combines carbon monoxide a poisonous gas with oxygen to form carbon dioxide gas a balanced
a toboggan approaches a snowy hill moving at 148 the coefficients of static and kinetic friction between the snow and
what is the concentration in moll of a solution with 852g mgcl2 dissolved in 1500ml of solution what is the
a light bulb radiates most strongly at a wavelength of about 3000 nm what is the temperature of its
suppose a student creates a solution by dissolving 05095 g of a non-dissociating non-volatile unknown solute in 1558 g
a 76 man weighs himself at the north pole and at the equator how much higher is the scale reading in the north pole and
for each of the following statements determine whether the statement is true or false if statement is false provide an
two blocks are connected by a horizontal rope block 1 has a mass of 20kg and block 2 has a mass of 12kg the horizontal
a 900kg car is initially moving with a speed of 30 ms when it applies its abs brakes to come to a stop the coefficients
a set of narrow vertical slits is located a distance d from a screen the slits are equally spaced and have the same
a 5000kg rocket takes off from the surface of the earth with an initial speed of 20ms the rocket uses its engine to
the steel i-beam in the drawing has a weight of 351 times 103 n and is being lifted at a constant velocity what is the
if the pressure of oxygen is 140 mmhg on inhaled air and the pressure of oxygen is 40 mmhg o the veinous blood in the
a small ball is launched with a speed of 40 ms and an angle of 30 degrees toward the building shown the height of the
a solution is prepared my mixing 40 ml of pentane c5h12 d 063 gml with 100 ml of hexane c6h14 d 066 gml assuming the
a small ball is thrown with a speed of 15 ms downward from the top of a 50 meter tall buildinga determine the time the
assume a cross is made between aabband aabb plants and that the offspring occur in the following numbers 106 aabb
a small stone is dropped from the top of a building and strikes the ground 2 seconds latera determine the height of the
you add 56 g iron to 2820 ml of water and observe that the volume of iron and water together is 2891 ml calculate the
suppose substance x is present at a higher concentration outside of cells and that after a time its concentration
in a typical lightning flash the potential difference between the cloud and the ground is 109 v and the charge