One mole of nitrous acid (HNO2) contains 1.00 gram of hydrogen (H), 14.0 grams of nitrogen (N), and 32.0 grams of oxygen (O). What is the percent composition of nitrogen in nitrous acid?

Breaking bonds requires what type of energy flow?

Calculate the time required for a constant current of 0.800 A to deposit 0.250 g of (a) Co (II) as the element on a cathode and (b) as Co3O4 on an anode. Assume 100% current efficiency for both cases.

Define power and explain how to determine power.

In most lewis dot structures of neutral compounds, carbon as the central atom will be bound to a maximum of how many atoms, nitrogen will be bound to a maximum of how many atoms, and oxygen will be bound to a maximum of how many atoms?

Which of the following represents a compound? a. H c. H2O b. H-3 d. O-16

What is the term for the amount of salts in water? Evaporation Evaporation Salinity Thermocline Density

In an acid-base titration, of 20 ml of a m HCI solution with 1 m NaOH. How many ml of NaOH are needed

Which of the following is not a source of air pollution related to human activities

Objects and substances in motion is I

If you were to remove an electron from a sodium atom that has eleven protons, what would be the electrical charge of the ion?