1.Which Statement best describes the use of a catalyst in a fuel cell? A. It reduces waste
B. It lowers energy requirements
C. It reduces toxic exhaust
D. It increases reaction rates

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

Some familiar products contain some of the same types of atoms. for instance, the chemical formula for baking soda is nahco 3. the chemical formula for liquid bleach is naclo, and the chemical formula for table salt is nacl. which choice best describes why these three products have some of the same types of atoms in common?

Titration reveals that 11.6 ml of 3.0m sulfuric acid are required to neutralize the sodium hydroxide in 25.00ml of naoh solution. what is the molarity of the naoh solution?