Explain what happens to the particles in a substance during a physical change.

A volume of 60.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4). What was the molarity of the KOH solution if 17.2 mL of 1.

Define the following terms.

Why is pure acetic acid often called glacial acetic acid? (A) Because it freezes just below 0°C, forming white crystals. (B) Because it freezes just below 100°C, forming white crystals.

What type of bond is formed between elements with a large difference in electronegativity?

What is the most important reason to consider ethics when conducting experiments? O A. The scientific results would not be believable if they were obtained unethically. O B. It is important that people are not harmed for the sake of science. O C.

Water is unique because the density of it's solid is less than the density of it's liquid. Describe how life would be different if this weren't true

If an element has 1 valence electrons, how many dots will be in the elements dot diagram?

What is the temperature of a gas at STP?

What is the numerical meaning of centimeter

You run an experiment to test the effects of temperature on solubility. What would you heat? A.) solvent B.) solute C.) the room B.) the beaker