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if you thought you had discovered a new element how could you get the scientific world to accept your discovery what
for an acid-base reaction what is the reacting species in barium
a disk and a hoop of the same mass and radius are released at the same time at the top of an inclined plane the height
a baseball has a velocity of 402 ms 899 mih directed horizontally as it is released by a pitcher the balls velocity
if internal ph of muscle is 68 what is the hpo4 2-h2po4 - ratio in this cell the values are pk1 212 pk2 721 and pk3
a girl delivering newspapers covers her route by traveling 1000 blocks west 400 blocks north and then 200 blocks easta
the star system algol is a binary with a separation of 1010 m the system is 51x1017 m from the earth what is the
if the linear dimensions of an object are doubled by how much does the surface area increases by how much does the
concentrated h2so4 is 96 by weight h2so4 and has a density of 184 gmml calculate the volume of concentrated h2so4 acid
a curling stone with a mass of 7 kg moves across the ice at a speed of 135 ms in the positive x direction it collides
a reaction mixture for an enzyme assay has a final volume of 0210 ml in the buffer 0030 m tris
a lawn mower has a flat rod-shaped steel blade that rotates about its center the mass of the blade is 065 kg and its
a 023kg block oscillates between two 19nm springspart a whats the oscillation period express your answer using two
at a certain temp 0500 mol of h2 and 0500 mol of i2 were placed in a 100 l container to react what concentration of hi
a ray of one color for which n151 and a ray of another color for which n16 travel through a piece of glass they meet
the total volume of seawater is 15 1021 l assume that seawater contains 31 percent sodium chloride by mass and that its
a vessel at rest at the origin of an xy coordinate system explodes into three pieces just after the explosion one piece
vanillin used to flavor vanilla ice cream and other foods is the substance whose aroma the human nose detects in the
an experiment requires 120 g of cyclohexane whose density at 25 degrees c is 07781 gml what volume of cyclohexane
to aid in the prevention of tooth decay it is recommend that drinking water contain 090 ppm fluoride f-a how many grams
a 250-kg ball moving to the right at a velocity of 383 ms on a frictionless table collides head-on with a stationary
express the concentration of a 00260 m aqueous solutioin of fluorire f- in mass percentage and in parts per million
a 250 kg object is attatched to a spring and placed on a horizontal smooth surface a horizontal force of 25n is
you are trying to overhear a juicy conversation but from your distance of 190 it sounds like only an average whisper
water has a density of 1 gcm3 how much pressure would a column of water exert that has a cross sectional area of 1 cm2