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calculate the molar mass of a gas that has a density of 0605 gl at 229 degrees celsius and 499 torr use r 00821
a mass of 10-kg accelerates along a straight line from a speedof 54 kmhr to 108 kmhr in 5 minutesa find the force
how can calculate the percent yield if i had the mass of the beaker the product 49073 and the mass of the beaker
a railroad car of mass 250 104 kg is moving with aspeed of 409 ms itcollides and couples with three other coupled
question heating elemental cesium and platinum together for several days at 973 k gives a dark red ionic compound that
two solid spheres simultaneously start rolling from rest downan incline one sphere has twice the radius and twice the
which should experience the greater effective nuclear charge a 2p electron in oxygen or a 2p electron in
the electric field of a sinusoidal electromagnetic wave obeysthe equation e - 375 vmsin 597 1015rads t 199
what must the celsius temperature be if 20 moles of a gas in a 40 l steel container has a measured pressure of 100
give an example of a ketone which will produce a positive iodoform test and another ketone w the same of carbon atoms
to stop a gas leak from gas well the gas was deliberately set on fire until leak could be stopped what pollutant
a 60 kg suitcase is being pulled along the ground by means of a strap which exerts a force of 20n at an angle of 30
a 175 g mass of ice at 273 k is added to 125 g of h2ol at 325 k at constant pressure is the final state of the system
an object is being acted upon by 3 forces and moves with a constant velocity one force is 40n along the x axis the
two coils are wound around the same cylindricalform when the current in the first coil is decreasing at a rate of-0240
a light string can support a stationary hanging load of270 kg before breaking a280 kg object attached to the
a 911-g piece of zinc metal is dissolved in 75-ml of 35-m hcl and hydrogen gas is evolved the exact amount of 50-m naoh
the rod in question c is now lies horizontally supported on eachend by a piece of wood point a is the end farthest from
a 75 kg block is being pulled up a 25 degree slope by a force of 200n which is parallel to the slope the coefficient of
a 4 kg particle moves at a constant speed of 25 ms around acircle of radius 2 mwhat is its angular momentum about the
how many metric tons of 7 -s coal would be needed to yield the h2so4 required to produce a 84 cm rainfall of ph 200
from the ground a projectile is fired with a velocity of 30msat 30 degrees above the horizontal how long will the
limonene mw 136 is a pleasant smelling liquid found in lemon and orange peels the bp of limonene is 175 but it
a 150-gm ball is attached to a 3-m long string to form apendulum the pendulum is pulled until it forms an angle of
a train engine weighs 5 times as much as a flatbed car if theengine coasts a 3 kmhr into the boxcar that is initially