An observation which requieres measuresment is called

5 mL of ethanol has a mass of 3.9 grams and 5.0 mL of benzene has a mass of 4.4 grams, which liquid is denser?

What term is used for the deepest parts of the ocean floor? A) Ridge B) Slope C) Hydrothermal vent D) Trench

What does the group number tell us about the atom?

Identify the compound with the smallest dipole moment in the gas phase. identify the compound with the smallest dipole moment in the gas phase. lif cl2 clf hf

An aqueous solution contains 1.00 g/L of a derivative of the detergent laurel alcohol. The osmotic pressure of this solution is 17.8 torr, at 25°C. What is the molar mass (in g/mol) of this detergent?

If a new substance is formed in a chemical reaction, what atoms do they consist of?

What is a scientific explanation for a range of hypotheses and observations supported by testing

A chemical reaction involves the rearrangement of atoms to form new molecules. During a chemical reaction, however, atoms are neither created nor destroyed. Which of the following is true about the atoms involved in a chemical reaction? A.

What is the new concentration, after diluting 300 mL of a 1.5 M LiCl solution to 1L

The answer that he gave was wrong