Select all of the following that are chemical changes Group of answer choices

photosynthesis

breaking a window into very tiny pieces

melting a can

turning a tin can into aluminum foil

iron rusting and breaking apart

crushing a can

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.