A cell from the heart muscle must continually use energy to contract which causes the heart to beat. Muscle cells in the heart would have an unusually high proportion of: A) Lysosomes
B) Mitochondria
C) DNA
D) Golgi bodies

Which element is the least metallic between cadmium, silver, zinc, or iron?

If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)

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?