How many gallons of soft drink are there in a 2.0L bottle

Consider the reaction between aluminum and oxygen in a closed container. The equation for this reaction is: 4Al + 3O2 - > 2Al2O3 What is true about this chemical equation? A.

How many neutrons Are there in an atom of hydrogen - 3

List 4 observations that suggest a chemical change is occurring

Which one of the following indicates a falling in temperature a. the column of liquid in a thermometer moves up three degrees. b. the brass on a bent bimetallic strip is on the outside curve. c.

Which of the following is an example of a mechanical wave? O A. A light ray B. A seismic wave C. A radio wave D. An X-ray

Why is scientific notation useful?

Hydrochloric acid, HCl, reacts with solid NaOH. What are the products of this chemical reaction?

Why are emission spectra referred to as the fingerprints of the elements?

David has a weather balloon that he fills with helium and then releases. As the balloon rises into the atmosphere, the balloon gets bigger and bigger.

Beaux has purchased a synthetic material for a product he is launching. What is most likely a benefit of this material? A) It is biodegradable. B) It can be recycled cheaply. C) It is heavy. D) It can be mass produced.