Is plastic a mixture, compound, or an element?

A "fizz saver" pumps air under pressure into a soda bottle to keep gas from escaping. will this keep co2 in the soda bottle? explain your answer.

Which type of chemical reaction occurs in Ca+CI2 CaCI2

Determine the vapor pressure of a solution at 25°C that contains 76.6 g of glucose (C6H12O6) in 250.0 mL of water. The vapor pressure of pure water at 25°C is 23.8 torr. 70.8 torr7.29 torr72.9 torr22.9 torr23.1 torr

Which of the following statements regarding redox reactions is true? Which of the following statements regarding redox reactions is true? Redox reactions are only seen in the electron transport chain.

Consider an ice cube with a volume of 0.50 cup. (1 cup = 240.0 mL, density of ice = 0.9167 g/mL). How many water molecules (molar mass = 18.015 g/mol) are present in this ice cube?

The volume of a gas is reduced from 4 l to 0.5 l while the temperature is held constant. what does the pressure of the gas do?

In an experiment, an unknown gas effuses at one-half the speed of oxygen gas, which has a molar mass of 32 g/mol. which might be the unknown gas?

7. Foam cup A has 36 mL of water that contain 2 moles of HCL at 20°C. Foam cup B has 36 mL of water that contain 2 moles NaOH of at 20°C. The contents of foam cup A are added to foam cup B and a chemical reaction occurs.

Which statement is false? a. At equilibrium, equal amounts of products and reactants are present. ΔG° is a function of Keq. b. When reactants become products, they do so through an intermediate transition state. Most biocatalysts are proteins.

What is the name of a compound that has the formula C6H6