Chemistry, 12.06.2021 14:30 ashbromail

PLEASE HELP ME! When magnesium powder is heated, it combines with oxygen to form white magnesium oxide powder.

(a) State one use of magnesium oxide.

(b) Write the chemical equation of this reaction.

(c) Calculate the mass of magnesium oxide formed if 3g magnesium is completely burnt in excess oxygen.

(d) The magnesium oxide is basic and reacts with hydrochloric acid to form magnesium chloride salt and water. Write the chemical equation of this reaction. (Relative atomic mass of O=16,Mg=24)

Answers: 2

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 13:00

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

Answers: 2

Answer

Chemistry, 22.06.2019 13:00

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

Answers: 1

Answer

Chemistry, 22.06.2019 23:00

What is the chemical formula for dihydrogen monoxide

Answers: 2

Answer

Chemistry, 23.06.2019 02:20

How do you convert celsius to kelvins

Answers: 1

Answer

You know the right answer?

PLEASE HELP ME! When magnesium powder is heated, it combines with oxygen to form white magnesium ox...

Questions

Mathematics, 06.05.2020 20:20

What is the distance between (2, 6) and (7, 6)? On a coordinate plane, points are at (2, 6) and (7, 6). 2 units 5 units 7 units 9 units...

Social Studies, 06.05.2020 20:20

The ancestors of most of the people in Latin America were . African European Australian Native American Asian Amer...

Spanish, 06.05.2020 20:20

Choose the best Spanish equivalent to the phrase. I know where to shop. Yo sabo dónde ir de compras. Yo conozco dónde i...

History, 06.05.2020 20:20

Which of the following best describes the Bush presidency? o It took place during a time of peace, prosperity, and calm in American history.

Spanish, 06.05.2020 20:20

Choose the best word or phrase to complete the sentence. Pregunto . una limonada su ayuda cuál es correcto m...

Chemistry, 06.05.2020 20:20

¿Hay alguna diferencia entre el transporte pasivo y la difusión?...

Chemistry, 06.05.2020 20:20

You and a friend want to start a some company. For ingredients you have a sucrose( table super), carbon dioxide gas, concentrated juices from differen...

Mathematics, 06.05.2020 20:20

The table shows Mr. Winkler's schedule for paying off his credit card balance. Interest Balance $650.00 Payment $100.00

Spanish, 06.05.2020 20:20

Select the correct answer Which verb form correctly completes this sentence? Queremosir de fiesta, pero nosotros - - estudiar....

Mathematics, 06.05.2020 20:20

What is the area of triangle FGH? Round your answer to the nearest tenth of a square centimeter. 6.5 cm 136 cm 3.0 cm 5.4 cm...

Mathematics, 06.05.2020 20:20

What’s equivalent for x to the power of -3 that uses positive exponents? A. x to the power of -3 B. x to the square root of 3...

Mathematics, 06.05.2020 20:20

A 3-column table with 5 rows. Column 1 has entries Mean, median, mode, range, M A D. Column 2 is labeled Noah with entries 87, 85.5, 85, 8, 2.67. Colu...

History, 06.05.2020 20:20

A state’s refusal to follow a federal law is called.....

English, 06.05.2020 20:20

Read the excerpt from Outcasts United. A few minutes later, Luma arrived. Members of the Under Fifteens and Seventeens were warming up when she walked...

Mathematics, 06.05.2020 20:20

Two positive integers are 3 units apart on a number line. Their product is 108. Which equation can be used to solve form, the greater

English, 06.05.2020 20:20

Read the two excerpts from We’ve Got a Job by Cynthia Levinson. Audrey talked quietly with her mother and father. As far as she could tell...

History, 06.05.2020 20:20

Which is the last step in the problem-solving process?gathering informationevaluating the solutionconsidering optionsweighing...

Chemistry, 06.05.2020 20:20

SUU What explains the key difference between a bomb calorimeter and a coffee cup calorimeter? A bomb calorimeter is 10 times larger but wo...

Mathematics, 06.05.2020 20:20

Anja simplified the expression 10x9 15 10 to 15. What mistake did Anja make?...

Mathematics, 06.05.2020 20:20

The top of a ladder rest at a height of 15 feet against the side of a house. If the base of a ladder is 6 ft from the house what is the length of the...

More questions: Chemistry Another questions