Sail to reach the original destination
A ship sets out to sail to a point 154 km due north. An unexpected storm blows the ship to a point 74 km due east of its starting point. In what direction must it now sail to reach its original destination?
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Suppose that a fully charged lead-acid battery contains 1.50L of 5.00M H2SO4. What will be the concentration of H2SO4 in the battery after 3.40A of current is drawn from the battery for 4.50 hours?
A toothpaste contains 0.240% by mass sodium fluoride used to prevent dental caries and 0.30% by mass triclosan, an antigingivitis agent.
& ;Discuss why HIV and AIDS information is more sensitive than other types of health conditions.
The hydrolysis(addition of water) of an ester is called saponification and is a reversible reaction. What kind of experimental conditions do you think you would need in order to carry out the reverse reaction.
Compounds X and Y have the formula C6H12. Both X and Y react with one molar equivalent of hydrogen in the presence of a palladium catalyst to form 2-methylpentane.& ; The heat of hydrogenation of X is less than that of Y.& ; X and Y react with HBr
How much energy is required to boil 45.5g of water at 100 degrees C at sea level? The molar heat of vaporization of water is 40.6 kJ/mol
How much heat does your body lose when 2.50 of sweat evaporates from your skin at 25 ? (Assume that the sweat is only water.) The heat of vaporization of water at 25 is 44.0 .
What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight?
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Identify the relationships the partner has in his personal life that may be related to the day care tornado call.
How quickly is a first impression made? 10 minutes 7 seconds 12 seconds 7 minutes
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