The atomic number of barium is 56 what do you know about the subatomic particles in an atom of this element

What thoughts and feelings have you had about the protests that have taken place?

Imagine that you mixed 25 mL of water at 0 C and 25 mL of water at 50 C. What is the final temperature of the water, how do you know? What is the ▵T for the cold water? How much heat energy transferred to the cold water?

Are the properties of sodium and chlorine the same as sodium chloride

Barium can be analyzed by precipitating it as BaS04 and weighing the precipitate. When a 0.713-g sample of a barium compound was treated with excess H2S04, 0.5331 g of BaSO4 formed.

Which radioactive isotope is most useful for determining the age of mastodont bones found in late Pleistocene sediments?

A marshmallow has an initial volume of 0.084 L at standard pressure (1.0 atm). If the marshmallow is placed in a vacuum chamber and the final volume is 0.785L, what is the pressure inside the chamber?

Can you think of another example of energy doing work fill out the table below with your idea

Write the net ionic equation for the reaction between agno3 (aq) and na2so4 (aq). be sure to include states of matter in your answer.

Witch compound has an element ratio of 2:1

Consider the total ionic equation below. 2 upper N upper H subscript 4 superscript plus, plus 2 upper O upper H superscript minus, plus 2 upper H superscript plus, plus upper S upper O subscript 4 superscript 2 minus right arrow 2 upper N upper H