For the answer to the question above asking how many moles of lead atoms are in 354g Pb. The answer is the third one among the given choices which is c. 1.71mol. Start what you have and apply what you know: 354g Pb *1molPb/207g Pb =1.71 mol Pb
Answer from: Quest
Organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.
Answer from: Quest
because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.
Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?
Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these