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limonene mw 136 is a pleasant-smelling liquid found in lemon and orange peels the bp of limonene is 175ordmc but it
iron iii oxide is formed when iron combines with oxygen in the air how many grams of fe2o3 are formed when 167g of fe
419 kj of energy is required to ionoze potassium what is the minimum frequency of light required to ionize
a silver block initially at 562celcius is submerged into 1000g of water at 252celcius in an insulated container the
the value of ka for nitrous acid hno2 at 25c is 4510-4 what is the value of deltag when h 5910-2 m no2- 6110-4 m and
a saturated solution of magnesium fluoride was prepared by dissolving solid mgf2 in water the concentration of mg2 ion
phosphorous acid h3po3aq is a diprotic oxyacid that is an important compound in industry and agriculture calculate the
americium-241 is used in smoke detectors it has a first order rate constant for radioactive decay of k16 x 10-3 yr-1 by
a deep-space probe moves away from earth with a speed of 074c an antenna on the probe requires 30 s in probe time to
an astronaut is traveling in a space vehicle that has a speed of 0500c relative to earth the astronaut measures his
2 moles of ideal gas at 300k with an initial volume of 25l are compressed under an external pressure of 2800 torr
an astronaut at rest on earth has a heartbeat rate of 72 beatsmin when the astronaut is traveling in a spaceship at
show the correct expression for the equilibrium in the reaction of benzoic acid with methanol to form methyl benzoate
derive a rate law for the exothermic reaction 2o3 3o2 based on the following mechanism and draw the corresponding
two hockey pucks a and b on a frictionless surface are coverd with velcro both pucks have a mass of 50kg puck a is
40 moles of methanol is allowed to react with 10 moles of benzoic acid to form methyl benzoate and water after the
pendulum a small rock with mass 022 kg is fastened to a massless string with length 070 m to form a pendulum the
methanol ch3oh is manufactured by the reaction of carbon monoxide with hydrogen in the presence of a znocr2o3
what is the minimum quantity of atmospheric oxygen required to completely convert 030 moles of propan-1-ol into carbon
a plane electromagnetic wave with wavelength 18 m travels in vacuum in the positive direction of an x axis the electric
assume you live in a medium-sized city of 150000 people and that 660 l of water is consumed per person per day what
to make sure that the white powder was all sodium chloride and not mixed with sodium hydrogen carbonate would you need
a 59 h coil with a resistance of 84960 ohm is in series with a 373824 ohm resistor this circuit is connected to an ac
when a certain liquid of molar mass 461 gmol freezes at -365 degrees celsius its density changes from 0789 gcm3 to 0801
pressure was exerted with a piston on molten naphthalene at 95 degrees celsius the vapour pressure of naphthalene