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two particles of mass m1 26 kg and mass m2 48 kg that are free to move on a horizontal track are initially held at
calculate the empirical formula for the following compound potassium tartrate found in baking powder 208 k 27 h 255 c
1 how many ways are there to choose 12 sushi plates if there are 5 varieties of sushi plates including conger eel and
a bullet of mass 13 g is fired with an initial speed of 289 ms into a wooden block that is initially at rest the bullet
an unknown compound has a molar mass of 11810 gmol given the following mass percent composition 407 c 513 h and 542 o
a bullet of mass m 28 g is fired into a wooden block of mass m 41 kg as shown in the figure below the block is
how many moles of oxygen are needed to produce 6 mol of fe2o3 in the following unbalanced equation fe o3 --gt
how many molecules of oxygen are produced from the decomposition of 875 g of hydrogen peroxide in the following
two objects are moving along the x axis with velocities of 37 ms object 1 and -15 ms object 2a if the center of mass
1 what factors are involved in determining the solubility of an ionic salt2 a solution of barium hydroxide baoh2
a military gun is mounted on a railroad car m 1400 kg as shown in the figure below there is no frictional force on the
a pure gold ring and pure silver ring have a total mass of 157 g the two rings are heated to 653 degree celcius and
two cars of equal mass are traveling as shown in the figure below just before undergoing a collision before the
consider the collision between two hockey pucks in the figure below they do not stick together their speeds before the
a particular balloon can be stretched to a maximum surface area of 1257 cm2 the balloon is filled with 32l of helium
a positron moving in the positive x-direction at 2 108 ms collides with an electron at rest the positron and electron
a what is the osmotic pressure of a solution formed by dissolving 440 mg of aspirin c9h804 in 0357 l of water at 25
a rubber ball is dropped and bounces vertically from a horizontal concrete floor if the ball has a speed of 37 ms just
a circuit consists of a resistor in series with an inductor and an ac generator that supplies an rms voltage of 115 v
the gas-phase decomposition of n2o5 is the first-order process with a rate constant of 150 x 10-3s-1 at 55c the
31 h -gt 32 he determine the amount of energy the reaction releases be sure to take into account the mass of the
a positively charged particle of mass 600 10-8 kg is traveling due east with a speed of 80 ms and enters a 042 t
1 a chemical engineer studying the properties of fuels placed 1500 g of a hydrocarbon in the bomb of a calorimeter and
when all of the products and reactants are gases the type of equilibrium that will be established is aa static
for the reaction of iodine atoms to form i2 the experimental rate law is rate ki2 what are the units for k if the unit