How much ice at 0°C could be melted by the addition of 15 kJ of heat? (ΔHfus = 6.01 kJ/mol)

a. 0.4 g
b. 2.5 g
c. 7.2 g
d. 45 g

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

Why does ammonia, nh3, behave as a base when it reacts with an acid? z