HCI + NaOH -> NaCl + H2O How many moles of water is formed when 4 moles of HCI are completely neutralized with NaOH?

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.

How many moles of no2 will form when 3.3 moles of cu are reacted with excess hno3?