What is a binary compound?

a compound composed of two different elements
a compound with at least one double bond between the atoms
a compound composed of two atoms that are ionically bonded
a compound composed of three elements, one metal and two nonmetal

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml