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draw the structure of the two tertiary 3deg alcohols with the molecular formula c7h16o that contain a one-carbon
a skateboarder shoots off a ramp with a velocity of 66 msdirected at an angle of 58deg above the horizontal the end
a gratign spectrometer while in a vaccum on earth sends 500nm light off at angle 200 degrees in first order spectrum on
a ideal gas with cp 52r y cv 32r changes from p1 2 bar and v1 5 m3 to p2 5 bar v2 2 m3through the next
a block a block in the shape of a rectangularsolid has a cross-sectional area of 400cm2 across its width a
a three-way lightbulb can produce 50w 100w or 150w at120v such a bulb contains two filaments that can beconnected to
swimmer stroiking along at 22 ms ceases all body movement uniformly comes to a dead stop after 10m how far swimmer
in an experiment 100g of caco3 was placed in a 0500-l container and when it was heated to a constant temperature 50 of
near earth near earth the density of protons inthe solar wind a stream of particles from the sun is 860 cm-3 and their
the graphite in a pencil has a resistivity of784times10minus6 wtimesmthe graphites diameter is 0700 mm and its length
the drawing shows three objects they are connected bystrings that pass over massless and friciton-free pulleys
a toy train rolls around a horizontal 15-m-diameter trackthe coefficient of rolling friction is 015what is the
a 000062g sample of benzene c6h6 is dissolved in 2000 ml of water the solution gives an absorbance of 0102 at 227nm
the circuit in the drawing contains two resistors and two capacitors that are connected to a battery via a switch when
in a gravimetric chloride lab a source of error was that the precipitate was washed to remove the adsorbed ag1 ions
a penny of mass 31 g rests on a small 13 g block supported bya spinning disk of radius 11 cm the coefficients of
an empty capacitor is connected to a battery and charged upthe capacitor is them disconnected from the battery and a
the equilibrium constant kc for the reaction c--ampgtamplt-- is 510e-5 the initial composition of the reaction mixtures
have a 25l soln made up of 005m cl- 00002m br- and 0100m cro4 you slowly add drops of a 05m agno3 solnksp for
if the value of kc for the reaction is 250 what are the equilibrium concentrations of the products if the reaction
a stream of air enters a 750-cm id pipe at a velocity of 60ms at 27c and 180 bar gauge at a point downstream the air
in the drawing the weight of the block on the table is450 n and that of the hanging block is160 n ignore all frictional
two tugboats pull a disabledsupertanker each tug exerts a constant force of 155 x 106 none 20deg west of north and
a perfume company wants to dispense 192 quarts of a new fragrance into small vials how many 150 ml vials can they fill
a 040 kgball attached to the end of a horizontal cord is rotated in acircle of radius 15 m on a frictionless horizontal