A piece of lead loses 78.00 J of heat and experiences a decrease in temperature of 9 oC. What is the mass of the piece of lead? The specific heat of lead is 0.130 J/goC.

What information does a complete ionic equation give that the balanced equation doesn’t show?

Nitrogen dioxide decomposes according to the reaction 2 no2(g) ⇌ 2 no(g) + o2(g) where kp = 4.48 × 10−13 at a certain temperature. if 0.70 atm of no2 is added to a container and allowed to come to equilibrium, what are the equilibrium partial pressures of no(g) and o2(g)

Which words or phrases identify layers of groundwater? check all that apply. water table kettle lake saturation zone underground lake sinkhole will give brainiest, answer quickly.