Why do atoms receive a positive or negative charge when they give or take electrons? Include the nucleus in your explanation.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.