Which of the following are homogeneous solutions?

salt water

air

sand and water

vinegar

cement

Condensation occurs when matter changes from a

12) Photosynthesis is a chemical reaction where carbon dioxide and water react to form glucose (C6H12O6) and oxygen gas. Which represents the proper balanced equations for photosynthesis?

What tectonic feature lies along chinas chinas eastern border

In a thermostat, what property of the bimetallic coil allows it to contract and expand? The two metals absorb different amounts of thermal energy. The two metals are placed perpendicular to each other. The two metals burn at different temperatures.

Which has greater potential energy, a book on the top shelf of a bookcase or a book on the bottom shelf? Why?

A ball is moving across a level platform 1.6m above the floor. After rolling off the ball hits the floor 20 from the base of the platform.

Which of the following is an effect of increasing the wavelength of an electromagnetic wave?

a mass of 0.400 is raised by a vertical distance of 0.450m in the earths growth gravitational field. what is the change in its gravitatioanal potential energy? show your work

G davisson and germer performed their experiment with a nickel target for several electron bombarding energies. at what angles would they find diffraction maxima for 48 ev and 60 ev electrons?

A friend tells you that a rowboat is propelled forward by the force of its oars against the water. First explain whether the statement is correct and then identify the action and reaction forces