A scientist is observing a cell and notices the presence of starch. What does this tell her about the cell?

Starting with the unbalanced equation for the combustion of ethanoic acid, CH3COOH (l) + O2 (g) →CO2 (g) + ? H2O (l) what coefficient should be placed in front of H2O to balance the hydrogen atoms?

What is the vertical movement of the surface of a body of water called?

The only way to seperate a compound into its elements is by a

Although the nucleus of an atom is very important, it is the ___ of the atom that determine its chemical properties

A scientist is examining a mixture of nitrogen, hydrogen, and ammonia. The individual pressures that are exerted by nitrogen and hydrogen are 0.26 atm and 0.28 atm, respectively. If the total pressure is 0.

The atomic mass of fluorine in 19.0 amu, so the molar mass is?

A rod shaped organism with no nucleus commonly found in Garbage will most likely belong to which kingdom

Alka-Seltzer is a solid mixture of two substances, sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O7). The substances react to form water, carbon dioxide (CO2), and Na3C6H5O7.

Four properties of water are listed. 1. It is colorless and odorless in its pure form. 2. It reacts with metals to form metal hydroxide and hydrogen gas. 3. When heated to 100 °C, water evaporates. 4. It decomposes to form hydrogen and oxygen.

Water is A. Acidic B. Basic C. Neutral