A scientific theory is a statement that describes what scientists expect to happen every time under certain conditions.

a) true

b) false

What is the substance that taste sour, reacts with metals and carbonates, and blue limtus paper red.

How is condensation explained by the Kinetic Molecular Theory? Cooling reduces particle motion, resulting in coalescence by attractive forces. Cooling increases collisions, which causes molecules to bond together.

If you had to pick one organelle that was the most important, which one would you pick? Why would you pick that one?

How does a trigonal pyramid differ from a tetrahedron so far as molecular geometry is concerned? Bond angles in the tetrahedral molecule are 120°, while those for trigonal pyramid are 109.5° A trigonal pyramid is a tetrahedron with two vacant vertex.

In the electron configuration [ar]4s23d104p4, which are valence electrons?

2. An automobile tire has a pressure of 210 kPa at 293 K. What will be the tire pressure after driving, if the tire temperature rises to 308 K?

Students measuring the mass of a rock record 6.759 g, 6.786 g, 6.812 g, and 6.779 g. Which other measurement of the block's mass would be most precise? A. 6.702 g B. 6.781 g C. 6.605 g D. 6.858 g

What two elements make up dihydrogen monoxide?

What did scientists observe using the earliest microscopes

Which statement describes the redox reaction that occurs when an object is electroplated? A. It is spontaneous and requires an electric current. B. It is spontaneous and produces an electric current. C.