Consider a neutralization reaction in which NaOH(aq) is mixed with H2SO4(aq) in a coffee-cup calorimeter. If 159.0 g of liquid in the coffee-cup calorimeter rises 7.70 degrees C, how much heat is released by the neutralization reaction?

kJ

Anurse practitioner prepares an injection of promethazine, an antihistamine used to treat allergic rhinitis. if the stock bottle is labeled 25 mg/ml and the order is a dose of 11.0 mg , how many milliliters will the nurse draw up in the syringe?

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.