Which of the following elements in the periodic table are liquids at room temperature

A scientific law: is well tested, is unusually an equation, is an example of a scientific model, all of the above

Which of the following is a compound machine? a screw being screwed into a piece of wood a can opener a crowbar a wheel and axle

According to the sixth postulate of the kinetic-molecular theory, a group of gas particles will have an average kinetic energy based on what?

Hikers have noticed that a sealed bag of potato chips puffs up when taken to the top of a mountain. Suppose that at the valley floor below, the air pressure is 1.0 atm, temperature is 25°C, and the volume of the chip bag is 0.985 L.

Sally Ride entered space in which spacecraft?

How will increasing the pressure on the system affect this equilibrium reaction? 2H2 (g) + O2 (g) - > 2H2O (g)

What are small round structures in the cell that breaks down large food particles into smaller ones

A balloon has a volume of 2.5 L and contains 0.100 moles of Helium. Another balloon has a volume of 5.0 L. They are at the same temperature and pressure. How many moles of gas does the second balloon contain?

Why is it important to that the solid be dry before the final mass measurement?

What is 0.00055030 in Scientific form?