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you are on an airplane traveling 30deg south of due west at 1000 ms with respect to the air the air is moving with a
in the morning a camper walks dues north for 16 kilometers and then stops for lunch after lunch he walks 10 kilometers
polonium crystallizes in a simple cubic lattice the po atoms are at the lattice points only if the density of the metal
nonmetals like cns and p are typically the central atom in a molecular compound rather than nonmetals such as ofh and
a single slit has a width of 210x10-6 m and is used to form a diffraction pattern find the angle that locates the
neglect air resistance for the following a soccer ball is kicked from the ground into the air when the ball is at a
show how to perform the following dilution using mathematics and a brief explanation of the preparation procedure how
it takes more energy to boil away a pan of water at 100 oc than to heat it from room temperatue to 100
the total electric flux from a cubical box 110cm on a side is 1580 nm2c what is the charge on the enclosed box answer
a chemist was studying the solubility of two new compounds she made in her laboratory at work ni3 and cbr4 they will
three equal charges of q 400x10-7 care located at the corners of a right triangle whose sides are the length 600cm
what is the enthalpy of formation of cog in kj 2cog o2g --gt 2co2g h reaction -566 kj h co2g -3935
when a 42 g sample of an alloy at 1000 oc is dropped into 900 g of water at 226 oc the final temperature is 305 oc what
a 20-kg object is attached to a spring k556 nm that hangs vertically from the ceiling the object is displaced 0045m
three positive particles of charges 1 c 2 c 3 c and 4 c are located at the corners of a square of side 1 cm calculate
determine the number of sulfate ions in 2l of a 05m caso4 aqueous solution then determine the number of calcium ions
13 of nitrogen gas at stp are compressed in an isochoric process to a pressure 20part a what is the final temperature
consider the elements o ba co be and br from this list select the element that exhibits a maximum positive oxidation
a sample of s8 g is placed in a container at 1325 k at an initial pressure of 100 atm where it decomposes to s2 g by
when the sun is directly overhead a hawk dives toward the ground with a constant velocity of 690 ms at 700 degrees
calculate the amount of c6h12o6 glucose you would need to measure out on a balance in order to have 1504 x 1023
a nonconducting solid sphere of radius r carries a volume charge density that is proportional to the distance from the
the crystal field splitting energy for a complex is 160 kjmol what wavelength of light is absorbed by this complexa 750
a 50 microc point charge is placed in an external uniform electric field of 200 104 nc at what distance from the charge
the absorption rate constant is smaller than the elimination rate constarnt therefore the terminal decline of the