10. lead nitrate can be decomposed by heating. what is the percent yield of the decomposition reaction if 15.6 g pb(no3)2 are heated to give 9.4 g of pbo? 2pb(no3)2(s) → pbo(s) + 4no2(g) + o2(g) *
a. 59%
b. 73%
c. 82%
d. 90%

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

What will most likely happen when two bromine atoms bond together?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature