3. Give one example of an element and one

example of a compound. Explain how they

are different.

Cuando las plantas capturan y transfieren la energía

A student finds two unlabeled flasks of clear liquids. One is believed to be 0.1 m nacl and the other to be 0.1 m naclo3. What is a quick way of determining what is in each flask?

How does increasing temperature increase the number of reactions?

What is the total number of atoms in the formula Ca (NO3) 2? (1) 7 (2) 2 (3) 3 (4) 9 The answer is 9 but I don't understand why, Can someone explain?

Explain to me why a pressure cooker does not explode.

Enter a balanced chemical equation for the combustion of gaseous methanol.

Being able to identify good source of scientific information and apply the knowledge to problems in your life is a part of having A Scientific hypothesis B Scientific inquiry C Scientific literacy D Scientific laws

Hexane and heptane are miscible with each other in all proportions. In making a solution of them, is the entropy of the system increased, decreased, or close to zero, compared to the separate pure liquids? a. The entropy of the system is increased.

Determine the hydronium ion concentration in a solution that is 0.00014 M HCl. Answer in units of M.

Which element in period 2 has the most mass