Given that AHºrxn = - 52.3 kJ for the following. calculate the AHºf for HNO2 (g). HNO2 (g) + 1/2 O2 (g) = HNO3(aq)

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

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)