What is wind? (1 Point)
air that moves upward
air that moves downward
air that moves from high pressure to low pressure
air that moves from low pressure to high pressure

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?

In which of these cases are the two wave points considered to be in phase with each other?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.