4. Describe a simple experiment that can be performed in the laboratory to demonstrate the formation of iron (III) chloride from iron fillings.​

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

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

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted