Find the cost of one kilogram box
A one kilogram box of chocolates costs $0.90 less than twice the cost of a box of a 500g box. Two one kilogram boxes and three 500g boxes cost $34.60. Find the cost of:
a) one kilogram box
b) 500g box.
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Let x and y be the number of litres of Laughter and Joy respectively that are produced per week. Calculate the maximum possible profit.
Benzene (C6H6) is often produced asa side product during Grignard reactions using phenylmagnesiumbromide. Explain how benzene's formation can be made. Alsowrite a balanced equation for this reaction .
After scoring the game winning goal a player celebrates by dragging the 55kg goal around the rink. the player drags the goal form rest to 7m/s over a period of 3 seconds.
A farsighted man has a contact lens prescription of +2.8 diopters, enabling him to see items in focus when they are no closer to his eyes than 28 cm. What is his near point when he is not wearing the contact lenses?
A one kilogram box of chocolates costs $0.90 less than twice the cost of a box of a 500g box. Two one kilogram boxes and three 500g boxes cost $34.60. Find the cost of one kilogram box.
Greg Nard added an equivalent of 3,4-epoxy-4-methylcyclohexanol to an ether solution of methyl magnesium bromide and then added dilute hydrocholoric acid. He expected that that the product would be a diol.
A circular coil of wire carries a current of 22 A. The radius of the loop is 9.0 cm, and the magnitude of the magnetic field at the center of the loop is 6.0 mT (millitesla). How many turns does the coil have?
A horizontal wire that is 4.4 m long is exposed to a uniform external magnetic field of magnitude 79 mT (millitesla). The external field is directed at an angle of 39o below the horizontal. The magnetic force on the wire has a magnitude of 3.5 N.
Write four equations showing structures for the reactions used in separating and recovering m-nitroaniline, benzoic acid, and naphthalene.
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