subject

Chemistry, 23.04.2021 01:00 mckinley2006

A reaction of heating potassium permanganate produces potassium manganate, manganese dioxide and oxygen gas.
Heat 15.8 g potassium permanganate until no more oxygen gas
is given off. The remaining material has a mass of 14.2 g. What
mass of oxygen gas was produced in the reaction?
g

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 09:20

How have the greenhouse gasses increased from the year 2000 to 2018

Answers: 2

question

Chemistry, 22.06.2019 12:30

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Answers: 2

question

Chemistry, 22.06.2019 18:00

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?

Answers: 3

question

Chemistry, 23.06.2019 10:30

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?

Answers: 1

You know the right answer?

A reaction of heating potassium permanganate produces potassium manganate, manganese dioxide and o...

Questions

question

Physics, 22.05.2020 00:10

How are these ions distinguished from one another in writing formulas for compounds? A. using Latin prefixes B. using numerical superscripts C. using...

question

Mathematics, 22.05.2020 00:10

Suppose your SAT score is 1180. You look up the average SAT scores for students admitted to your preferred colleges and find the list of s...

question

Business, 22.05.2020 00:10

The Juarez family is looking for a new cable company. After conducting research, they decide on a new cable provider. They call the new cable provider...

question

English, 22.05.2020 00:10

Why does Strick begin her essay with the comment from her son and the list of activities she does badly?...

question

History, 22.05.2020 00:10

Short summary for The Flower Myths: Narcissus, Hyacinth, Adonis. Pls answer asap. THNKS!...

question

History, 22.05.2020 00:10

Which was one of the most important kingdoms of the West African forests...

question

Business, 22.05.2020 00:10

For each of the following financial ratios that are based on comprehensive annual financial report (CAFR) information by selecting the appropriate let...

question

Mathematics, 22.05.2020 00:10

A city received 4/7 inch of rain on July 31. This represents 4/10 of the total amount of rain the city received in July. The...

question

English, 22.05.2020 00:10

Although Mayan cities were centers for religious activity, they may have had no permanent inhabitants. a. compound b. complex

question

Business, 22.05.2020 00:10

Suppose that there are many stocks in the security market and that the characteristics of stocks A and B are given as follows: Stock Expected Return S...

question

English, 22.05.2020 00:10

How "The Weary Blues" and "How it feels to be colored me" in their style, form, etc, illustrate the themes of *Harlem Renaissance*...

question

Chemistry, 22.05.2020 00:10

Hitesh wants to learn swimming. He brought swimming costumes and a cap. What kind of material should these be made of and why?...

question

Biology, 22.05.2020 00:10

A student is observing a sample of pond water and provides the following description in her observations.“I see euglena and paramecium swimming around...

question

Social Studies, 22.05.2020 00:10

Name three countries in the “end of the Cold War video” that ended Soviet rule/domination....

question

Mathematics, 22.05.2020 00:10

The owner of a landscaping business wants to know how much time, on average, his workers spend mowing one lawn. Which is the mostappropriate rat...

question

Computers and Technology, 22.05.2020 00:10

Which setting is used to determine the order of printing pages?Collation SettingsOrientation SettingsMargin SettingsScal...

question

Mathematics, 22.05.2020 00:10

Suppose that the function h is defined, for all real numbers, as follows.2X+2 if x<-13x+2h(x)=(x + 1)2 if -1<x<2

question

Mathematics, 22.05.2020 00:10

If f(x) = 3x2 + 2 and g(x) = -5x +3, find f(g(x)). PLEASE HELP ME

question

History, 22.05.2020 00:10

How has the Supreme Court changed its stance on the meaning of the Second Amendment? a) It ruled that concealed weapons required a license after...

question

Social Studies, 22.05.2020 00:10

What do the sahara and gobi desert have in common?...

More questions: Chemistry Another questions

Questions on the website: 13722361