Example 4. Balance the equation below in which methane reacts with oxygen in the atmosphere to release heat and the atoms recombine to form carbon dioxide and water vapour. CH4 + O2>CO2 + H2O 1 10

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.

Light waves can move through , but they travel fastest when they move through a(n) .

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth