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a car of 1200 kg travels east at 24 ms while a truck of 2200 kg travels north at 19 ms they collide and stick together
what is the formal charge on the central chlorine atom in the molecular ion clo4- assume that all of the cl-o bonds
a spherical balloon is made from a material whose mass is 300kg the thickness of the material is negligible compared to
assuming that a neutron star has the same density as a neutron calculate the mass in rm kg of a small piece of a
at the start of a trip a driver adjusts the absolute pressurein her tires to be 283 x 105 pa when the outdoor
how does solubility of polar and non-polar molecules in water set up cell membranes and disolve essential bio
with its wheels locked a van slides down a hill inclined at 360 to the horizontal-find the acceleration of this van if
using a spectrometer a sample was analyzed to have a percent transmittance of 85 what percentage of light was actually
a ladder is leaning on a frictinoless wall a painter climbsup 70 of the ladder the painter weights is 55 kg and the
what is the order from greatest to least most polar to least polar of acetaminophen 4-acetamidophenol caffeine and
physicians use a high-frequency f 1-5 mhz sound wavescalled ultrasound to image internal organs the speed ofthese
what are the solvent and solute in a solution contatining 100 grams of ethanol and 3 grams of
a box of bananas weighing 450 n rests on a horizontal shysurface the coefficient of static friction between the box and
when heat is added to a solution of cocl2 and hcl in water what happens on the molecular level that causes the reaction
the coefficients of static and kinetic friction between a 522 n crate and the warehouse floor are 0715 and 0420
a sealed cubical container 120 cm ona side contains three times avogadros number of molecules at atemperature of
when cobalt hexahydrate reacts with chloride to form cobalt chloride a change in the geometry occurs about the cobalt
a rectangular air mattress is 22m long 057 m wide and 007 m thick if it has a mass of 20 kg what additional mass can it
project seafarer was an ambitious program to construct anenormous antenna buried underground on a site about 10000km2
an internal explosion breaks an object initially at restinto two pieces one of which has 15 times the mass of theother
calculate the molarities of all ions present in a solution made by mixing 150102 ml of 20010-2 m baoh2 with 100102 ml
which mixture 1 a mixture of benzene toluene and p-xylene or 2 a mixture of o-m- and p-xylene and ethyl benzene gave
calculate the amount of 10 acetic acid you will need to add to 1000 ml of your milk in order to bring the final acidity
what is the boiling point in celsius degrees of 150 g of aluminum bicarbonate in 040 kg of
calculate the enthalpy of reaction at 420 k from the data for the reaction given on the course website you may assume