B. Write the chemical equation of the following reactions. Balance the equation if needed. 1. Aluminum metal reacts with iron (II) oxide powder to produce an aluminumṁ oxide solid and an iron metal. 2. Dinitrogen pentoxide gas decomposes to form nitrogen gas and oxygen gas. 3. Lead (II) nitrate reacts with hydrochloric acid to form lead (II) chloride and nitric acid.
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
![B. Write the chemical equation of the following reactions. Balance the equation if needed.
1. Aluminum metal reacts with iron (II) oxide powder to produce an aluminum oxide solid
and an iron metal.
2. Dinitrogen pentoxide gas decomposes to form nitrogen gas and oxygen gas.
3. Lead (II) nitrate reacts with hydrochloric acid to form lead (II) chloride and nitric acid.
4. Oxygen gas reacts with solid copper metal to form solid copper (II) oxide.
5. Barium chloride and sodium sulfate form sodium chloride and barium sulfate.
C Solve the following word problems. You may do online research to do this activity.
1. How many atoms are in 0.89 mol of iron?
* How many grams of carbon dioxide are in a container with a volume of 16.50 L at STP?
*A sample contains 27.1 g of sodium hydroxide. How many moles of sodium hydroxide are
in the sample?
Dynamic Minds: A
Science Workbook (Grade](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c72de6e-2707-45d9-bd04-849913783b96%2F73cb0e3e-754a-4742-838f-de437a1306f5%2F50ok3re_processed.jpeg&w=3840&q=75)
![4. A 4.00 g sample of ammonia is mixed with 8.00
of
oxygen. Which is the limiting
reactant, and how much excess reactant remains after the reaction has stopped? Determine
the percentage yield of the product.
Connect and Apply to the Real World
1. You are a food technologist working at the Food and Drugs Administration. A certain
educational magazine company has asked you to write an article. The editors of the
magazine want to inform the public about food spoilage and food poisoning. The goal of
this is to inform the readers or the public about food poisoning, especially in the school
setting, and help the public to prevent it from happening. Your article will be checked by
It chould be accurate, up-to-date, and free from grammatical errors.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8c72de6e-2707-45d9-bd04-849913783b96%2F73cb0e3e-754a-4742-838f-de437a1306f5%2Fod76xqc_processed.jpeg&w=3840&q=75)
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