How many O2 molecules are present in 0.470 g of oxygen

gas? Can you guys tell me how answer this kind of problem ... I appreciate it.

Why can't heat travel from cold to hot?

You had to heat the NaHCO3 strongly in order for it to decompose. This is an example of an endothermic reaction.

What three things are made during celluar resprition

The enzyme urease catalyzes this reaction. If urease is added to a solution that contains ammonia and other nitrogen-containing compounds (but no urea), will the urease catalyze any reactions? E

Which of the following statements is false? A) Entropy increases with the number of microstates of the system. B) The total entropy of the universe increases in any spontaneous process.

Peter is 5 ft, 11 inches tall. Paul is 176 cm tall. Who is taller?

Which is the MOST accurate description about how the different types of feedback mechanisms work

What was one of the main benefits to the use of the icebox for cooling food?

How many moles of chlorine gas would occupy a volume of 35.5 L at a pressure of 0.98 atm and a temperature of 373 K?

What are the building blocks