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a 01669-g sample of an unknown monoprotic acid was dissolved in 334 ml of water and titrated with 00688 m naoh solution
a single-turn square wire loop 50 cm on a side carries a 450 ma- current what is the magnetic dipole moment of the loop
complete and balance the equation naclaqhg2c2h3o22aq express your answer in a chemical
a solenoid that is 75 cm long produces a magnetic field of 13 t within its core when it carries a current of 69 a how
a 203 kg book is placed on a flat desk suppose the coefficient of static friction between the book and the desk is 0602
if a neurons inter-celluar potassium level k is 410mm and it takes -70mv to maintain resting cell potential what is the
the equilibrium of fischer esterification reactions in general is slightly towards product formation the equilibrium
suppose you throw a 0058-kg ball with a speed of 109 ms and at an angle of 309deg above the horizontal from a building
an important characteristic in the fischer esterification mechanism is the formation of a tetrahedral intermediate
a satellite is in a circular orbit around an unknown planet the satellite has a speed of 113 x 104 ms and the radius of
solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate
a proton traveling at 310deg with respect to a magnetic field of strength 490 mt experiences a magnetic force of 57
there is a charge of -3e locked down at a point on a table 15 meters away a charge of 3e is released from a scientists
a car battery with a 12 v emf and an internal resistance of 0035 is being charged with a current of 60 aa what is the
whats the melting point would be if you mixed acetanilide with 10 by weight of naphthaleneacetanilide mp 1135-114
what is the density of lithium metal in gcm3 if a cylindrical wire with a diameter of 240 mm and a length of 150 cm has
a 1250 w radiant heater is constructed to operate at 240 va what will be the current in the heaterab what is the
calculate the osmotic pressure at 20c of the solution 0050m c12h22o11 assume complete dissociation for an ionic
mg3n2 reacts with h2o to produce mgoh2 and nh3 determine the rate of change in the amount of mg3n2 given the rate of
an unknown resistor is connected between the terminals of a 750 v battery energy is dissipated in the resistor at the
a reverse osmosis unit is used to obtain drinkable water from a source that contains 0570 g nacl per liter what is the
a common flashlight bulb is rated at 030 a and 28 v the values of the current and voltage under operating conditions if
the molar mass of compound is measured to be 334 352 341 339 gmol in four trials what is the avg molar mass amp
a crate is hanging from a rope which is attached to a metal ring through which a second rope runs what is the angle if
although the viscosity varies over a factor of more than two in the series from hexane to nonane the surface tension at