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the wavelength of visible light varies from 380 nm to 750nm as the color of the light changes from violet to red
a small ball rolls horizontally off the edge of a tabletop that is117 m high it strikes the floor at a point 118 m
110-phenanthroline forms a bright red complex with ironiii the complex has an analytical wavelength of 510 nm and has a
assume that the engine of a car with mass m supplies a constantpower p to the wheels to accelerate the car the car is
an unknown compound contains only carbon hydrogen and oxygen combustion of 400 of this compound produced 587 of carbon
an airplane is flying with a velocity of 260 ms at an angle of 300deg with thehorizontal as the drawing shows when the
if 63 g barium chloride is reacted with excess sodium sulfate how many grams of barium sulfate are
a particle is uncharged and is thrown vertically upward from groundlevel with a speed of 500 ms as aresult it attains a
how many moles of ironiii hydroxide are needed to react with excess nitric acid to produce 670 g ironiii
how many grams of nickelii nitrate are needed to produce 498 g nickelii phosphate in the presence of excess sodium
two very long wires carrying a current i of 30 a out of the pageare at two of the corners of an equilateral triangle
how many grams of aluminum oxide are produced by the complete reaction of 224 g aluminum with excess
a free electron is placed between two large parallelnonconducting plates that are horizontal and 16 cm apart one plate
in writing a lab report a hypothesis is needed the experiment called for a titration hcl solution of unknown molarity
a grandfather clock is controlled by a swinging brass pendulum thatis 10 m long at a temperature of30degca what is the
a 426 g sample of an unknown alkali metal hydroxide is dissolved in 1000 ml of water an acid-base indicator is added
a an ideal gas occupies a volume of 18 cm3 at 20degc and atmosphericpressure determine the number of molecules of gas
a 500 ml aqueous solution containing 108g of a blood plasma protein a molecular compoud was found to have an osmotic
a solid aluminum sphere has a radius of 234 m and atemperature of 890 degc the sphere is then completely immersedin a
a parallel-plate capacitor has circular plates of 610 cm radius and 110 mmseparationa calculate the capacitanceb what
calculate the mass of 500ml of water using the date from all members of group these numbers are the ones from my group
a 120 gcube of ice at 0degc is dropped into 10 kg of water that wasoriginally at 86degc what is the final temperature
water at the top of niagara fallshas a temperature of 80degc if itfalls a distance of 700 m and all ofits potential
what proposal did pauling make to estimate the ratio of the radii of certain anion-cation
a steel rod rho 7860 kgm3 has a length of240 m it is bolted at both ends between immobile supportsinitially there is