A marshmallow has an initial volume of 0.033 L at standard pressure (1.0 atm). If the marshmallow is placed in a vacuum chamber and the final volume is 0.439L, what is the pressure inside the chamber?

How is a yeast cell different from an onion skin cell? 1. Yeast has chloroplasts. The onion skin cell doesn't have chloroplasts. 2. Yeast lacks a cell membrane. An onion skin cell has a cell membrane. 3. Yeast can reproduce by budding.

Liquid hexane (CH3 (CH2) 4CH3) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2O). What is the theoretical yield of water formed from the reaction of 62.9 g of hexane and 158.

How does a balanced equation show the conversation of mass

Energy from food is measured in ... 1) Joules 2) Watts 3) Calories 4) Kilograms

An oxygen atom has a mass of and a glass of water has a mass of. Use this information to answer the question below. Be sure your answers have the correct number of significant digits.

Which term is used to describe the attraction that an oxygen atom has for the electrons in a chemical bond?

Suppose you wanted to dissolve 109 g of sodium carbonate in enough water to make 6.00 L of solution. What is the molarity of this solution?

0.0055 in scientific notation

Mineral oil dissolves in hexane but not in ethanol

Which compound becomes less soluble in water as the temperature of the solution is increased