In atomic mass units, what is the average atomic mass of the atoms that make up boron (B) ?

A. 2

B. 5

C. 13

D. 10.81

According to the Arrhenius concept, if NaOH were dissolved in water, it would act as A) a base. B) an acid. C) a source of hydronium ions. D) a source of H - ions. E) a proton donor.

At constant pressure, 492 mL of a gas at 31.00C is heated and the volume expands to 876mL. What is the new temperature in Kelvin? A) 171 K B) 291 K C) 328 K D) 541 K

Oxalic acid reacts with sodium hydroxide according to the following equation: H2C2O4 + 2 NaOH → Na2C20. + 2 H20 A 25.00 mL sample of the H2C2O solution required 19.62 mL of 0.341 M NaOH for neutralization. Calculate the molarity of the acid.

What name do we give to the family that combines liquid and gas

Which layer of ground contains organic matter and tiny rock particles?

How do kinks affect inter molecular attractions in unsaturated fats?

What is the broadest level of classification

Lewis base is a (n) a. producer of OH ions. b. proton acceptor. c. electron-pair donor. d. electron-pair acceptor. In the reaction represented by the equation Ag (aq) + 2NH3 (aq) - [Ag[ a. Bronsted-Lowry acid. b. Lewis acid

What is the main reason cells are replaced in the body? A The cells are too large. B The cells are inactive. C The cells are damaged. D The cells are cancerous.

There are six elements in Group 14 on the Periodic Table. One of these elements has the symbol Uuq, which is a temporary, systematic symbol. This element is now known as flerovium. 66 Identify an element in Group 14 that is classified as a metalloid.