When placed in a freezer, liquid water turns into solid ice. Why is this considered a physical change?

2+2 because i really know im just trying something real quick

What type of mixture is a solution? heterogenous homogeneous none of these answers immiscible

You are presented with a mixture of iron beads and iron filings. how can you separate them? use a magnet dissolve the filings in water use a screen distillation

Which of the following individual actions would do the most to reduce atmospheric methane?

What type of property is volume

How many atoms are present in 0.0350 mol of barium phosphate

Star x has a magnitude of 13. star y has a magnitude of 10. the brightness is?

1. Aluminum chloride (AlCl3), and sodium hydroxide (NaOH) can react to form aluminum hydroxide (Al (OH) 3) and sodium chloride (NaCl). You have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide.

For the vaporization of a liquid at a given pressure: A.ΔG is positive at all temperatures. B.ΔG is negative at all temperatures. C.ΔG is positive at low temperatures, but negative at high temperatures (and zero at some temperature). D.

The calculated yield for water was 176 g but the measured yield what is 140 g what percent is the yield