Density is a measure of how much space or volume a certain amount of mass takes up. It is relative heaviness.

TRUE/FALSE

If 1 mole of HCl (aq) was reacted with 2 moles of NaOH (aq), the pH of the solution would be? Acid or base

Is there any difference between carbon (iv) oxide and carbon (ii) oxide

How is the partial pressure exerted by n2 gas affected when some o2 is introduced into a container if the temperature and volume remain constant?

In this redox reaction, identify the reducing agent. 2MgO → 2Mg + O2 A. H2O B. Mg C. MgO D. O

If a small amount of zinc remains at the conclusion of a reaction between zinc and hydrochloric acid, which reactant is in excess? A. zinc B. neither C. hydrochloric acid D. can't tell

2H2S (g) 2H2 (g) + S2 (g) Kc = 1.67 * 10 ^-7 at 800 C A 0.500 L reaction vessel initially contains 0.0125 mol of H2S at 800 C. Find the equilibrium concentrations of H2 and S2.

An atom has an atomic number of 9 a mass number of 19 and an electron configuration of 2-6-1 explain why the number of electrons in the second and third shells shows that this is in an excited state

How can a chemical reaction be sped up? Pack in more of the reactant to increase the_.

How does a mixture of benzoic acid and benzaldehyde can be isolated separately by extractions?

What is a compound? a) a combination of two or more substances that are not chemically combined b) a combination of two or more elements that are combined in a certain ratio