How does magnification occur in an electron microscope?

A 4.5-liter sample of a gas has 0.80 mole of the gas. If 0.35 mole of the gas is added, what is the final volume of the gas? Temperature and pressure remain constant. 3.9 liters 5.3 liters 6.3 liters 6.5 liters

Which of the following numerical expressions gives the number of moles in 5.0g of CaO? 5.0g*56g/mol A 5.0g56g/mol B 56g/mol5.0g C 15.0g*156g/mol

What Type of energy conversion occurs when you place your feet near the fire place and They become warm

3) Explain the difference between CO2 and C204.

A phase diagram shows phase changes of a substance by illustrating which of the following? A. pressure vs. time B. pressure vs. density C. temperature vs. time D. pressure vs. temperature

Consider two equal size rooms connected by an open door. One room is maintained at a higher temperature then the other one. Which room contains more air molecules? Explain.

When and how was benzene first used

How does magnification occur in an electron microscope?

What does Earth's crust consist of?

A neutral solution of a salt in water contains fewer H30 + ions than OH' ions more H3O + ions than OH ions an equal number of H30 + ions and OH' ions neither H30 + ions nor OH ions 4.