What do scientists use to measure the volume of a substance?

A rigid container holds a gas at a pressure of 55 kPa and a temperature of - 100.0*C. What will the pressure be when the temperature is increased to 200*C

What is a phylogeny?

Which system would be responsible for moving the body so you can wave to a friend?

The following reaction does not proceed to a product: H2O + Cu - - > no reaction. Why is that? a. Copper has a lower activity than hydrogen and cannot replace it. b. The reaction cannot occur because water is a reactant. c.

What kind of reactions are redox reactions a. reactions involving substituting different isotopes b. reactions involving losing and gaining electrons c. reactions involving protons transferring between atoms d.

The element hydrogen adom is made up of wich kinds of adams

What type of igneous rock contains large mineral crystals? Explain why.

Why does it require creativity to devise a new atomic model? The atom cannot be seen directly, so scientist must use creativity to interpret information about its structure. It is impossible to test a theory about the atom.

What will be the the net ionic equations for the following ones: - a) AgNO3 + KCl b) Ni (NO3) 2 + Na2S c) CaCl2 + Na2CO3.

How many carbon atoms will be in the longest chain of 3,3,4,4-tetramethylhexane? How many sub-chains will there be in 3,3,4,4-tetramethylhexane?