List three examples of substances. Explain why each is a substance.

Here is the answer for the question – List three examples of substances. Explain why each is a substance.. You’ll find the correct answer below List three examples of substances. Explain why each is a substance. The Correct Answer is Sulfur and diamond which are pure substances and chemical elements. All elements are pure substances. … Read more

When burning 180 g of glucose in the presence of 192 g of oxygen, water and carbon dioxide are produced, how many grams of carbon dioxide are produced?

Here is the answer for the question – When burning 180 g of glucose in the presence of 192 g of oxygen, water and carbon dioxide are produced, how many grams of carbon dioxide are produced?. You’ll find the correct answer below When burning 180 g of glucose in the presence of 192 g of … Read more

Which of the following are the same and which are different?

Here is the answer for the question – Which of the following are the same and which are different?. You’ll find the correct answer below Which of the following are the same and which are different? a. a substance and a pure substance b. a heterogeneous mixture and a mixture c. a substance and a … Read more

phase change

Here is the answer for the question – phase change. You’ll find the correct answer below phase change The Correct Answer is a transition of matter from one state to another Reason Explained a transition of matter from one state to another is correct for phase change Alex Timmonsrandnyevg34.com/

chemical change

Here is the answer for the question – chemical change. You’ll find the correct answer below chemical change The Correct Answer is a process involving one or more substances changing into new substances; also called a chemical reaction Reason Explained a process involving one or more substances changing into new substances; also called a chemical … Read more

Correct the following statements.

Here is the answer for the question – Correct the following statements.. You’ll find the correct answer below Correct the following statements. a. an element is a combination of two or more compounds. b. when a small amount of sugar is completely dissolved in water, a heterogeneous mixture is formed. The Correct Answer is a. … Read more

a. what is the percent by mass of carbon in 44 g of carbon dioxide (CO2)?

Here is the answer for the question – a. what is the percent by mass of carbon in 44 g of carbon dioxide (CO2)?. You’ll find the correct answer below a. what is the percent by mass of carbon in 44 g of carbon dioxide (CO2)? b. what is the percent by mass of oxygen … Read more

List the three states of matter, and give an example for each state. Differentiate between a gas and a vapor.

Here is the answer for the question – List the three states of matter, and give an example for each state. Differentiate between a gas and a vapor.. You’ll find the correct answer below List the three states of matter, and give an example for each state. Differentiate between a gas and a vapor. The … Read more

When mercury oxide is heated, it decomposes into mercury and oxygen. If 28.4 g of mercury oxide decomposes, producing 2.0 g of oxygen, what is the percent by mass of mercury in mercury oxide?

Here is the answer for the question – When mercury oxide is heated, it decomposes into mercury and oxygen. If 28.4 g of mercury oxide decomposes, producing 2.0 g of oxygen, what is the percent by mass of mercury in mercury oxide?. You’ll find the correct answer below When mercury oxide is heated, it decomposes … Read more