How many molecules of CO2 are contained in a 10.0 L tank at 7.53 atm and 485 K?
5.69 × 1023 molecules
1.14 × 1024 molecules
4.89 × 1024 molecules
3.30 × 1024 molecules
2.28 × 1024 molecules

What is the body’s main processing system? it uses input from various parts to control voluntary and involutiontary movement. it’s composed of two main parts-the brain and spinal cord. a. nbs b.cns c. ans d. pns

Which element below could be and isotope of this atom

Place the following substances in order of ph from lowest ph to highest. a. neutral compounds, bases, acids b. acids, neutral compounds, bases c. bases, acids, neutral compounds d. bases, neutral compounds, acids