Which part of the cell goes all around the outside and acts as a gatekeeper to the cell, controlling what goes in and out? Group of answer choices

cell wall

nucleus

cell membrane

mitochondria

Identifying limitations of kinetic-molecular theorya chemist is studying the properties of a gas under various conditions. he observes that when the gas is at room temperature and low pressure, it behaves as an ideal gas. when the gas is cooled to 10 kelvin and is placed under high pressure, however, it deviates significantly from an ideal .

Suppose that during that icy hot lab 65,000 j of energy were transferred to 450 g of water at 20°c what would have have been the final temperature of the water

Why does his teacher ask him to balance the equation by including the correct coefficient