subject

Chemistry, 07.07.2019 02:30 wolfsaway

Which equation obeys the law of conservation of mass? a. 2fe + 3o2 → 2fe2o3 b. 4fe + o2 → 2fe2o3 c. fe + o2 → fe2o2 d. 4fe + 3o2 → 2fe2o3

ansver

Answers: 1

Show answers

Another question on Chemistry

question

Chemistry, 22.06.2019 00:30

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

Answers: 1

question

Chemistry, 22.06.2019 12:30

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Answers: 3

question

Chemistry, 22.06.2019 13:30

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Answers: 2

question

Chemistry, 22.06.2019 20:00

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

Answers: 1

You know the right answer?

Which equation obeys the law of conservation of mass? a. 2fe + 3o2 → 2fe2o3 b. 4fe + o2 → 2fe2o3...

Questions

question

Social Studies, 09.10.2019 16:10

Summarize the reason for writing the declaration of independence...

question

History, 09.10.2019 16:10

Discuss how politics of the 1920s reflected the new postwar mood of the country. what did the harding administration’s policies attempt to achieve, an...

question

History, 09.10.2019 16:10

Match the geographical feature to the correct letter, cape cod james river jamestown colony new amsterdam colony p...

question

Mathematics, 09.10.2019 16:10

The height of a building is proportional of the number of floors the figure shows the height of the building with 9 floors a reasoning write the ratio...

question

Biology, 09.10.2019 16:10

The engineers noted that the area was prone to rockfalls and landslides. they proposed a plan to secure the rocky hillside slopes using . they also a...

question

Biology, 09.10.2019 16:10

Which statement correctly describes a reason for the very large variety of these chains?...

question

Mathematics, 09.10.2019 16:10

Which number line represents the solution set for the inequality 3(8 – 4x) < 6(x – 5)? a number line from negative 5 to 5 in increments of 1. an...

question

Social Studies, 09.10.2019 16:10

dr. pohler is a neurobiologist studying ways to enhance the perception of sound in people with hearing difficulties. he discovers a natural neurotrans...

question

Business, 09.10.2019 16:10

Look at this design closely. which of the following is true? a. it is an advertisement that is not recognizable to the general public. b.it was origin...

question

Physics, 09.10.2019 16:10

The planet earth travels in a circular orbit at constant speed around the sun. what is the net work done on the earth by the gravitational attraction...

question

Business, 09.10.2019 16:10

Accept or reject a special order steve murningham, manager of an electronics division, was considering an offer by pat sellers, manager of a sister di...

question

Mathematics, 09.10.2019 16:10

For the given pair of events a and b, complete parts (a) and (b) below. a: when a page is randomly selected and ripped from a 26-page document and de...

question

Biology, 09.10.2019 16:10

1) glycogen phosphorylase catalyzes the removal of glucose from glycogen. the ∆g°’ for this reaction is 3.1 kj/mole 1. calculate the ratio of [pi]/[gl...

question

Mathematics, 09.10.2019 16:10

The account balance of each of three children at the end of a month is shown below: daniel has −$1.25 libby has −$2.00 sandra has as much savings in...

question

Mathematics, 09.10.2019 16:10

In its first year of operations, cullumber company recognized $33,700 in service revenue, $6,700 of which was on account and still outstanding at year...

question

English, 09.10.2019 16:10

In this unit, you learned about social and personal changes from reading informational texts. you also discussed the topic of change in a group settin...

question

Mathematics, 09.10.2019 16:10

How many seconds are required to produce 4.00 g of aluminum metal from the electrolysis of molten alcl3 with an electrical current of 12.0 a? how man...

question

Business, 09.10.2019 16:10

Acompany that specializes in pool and spa installations plans to buy tv commercial time during a home improvement program on a local tv station. the c...

question

Chemistry, 09.10.2019 16:10

Which of the following statements regarding thin layer chromatography are true? in thin layer chromatography, a polar organic compound will be repell...

question

Social Studies, 09.10.2019 16:10

Although it is unknown if one must buy 1, 10, or 100 scratch-off lottery tickets to get a winning ticket, it is probable that if one keeps buying, eve...

More questions: Chemistry Another questions

Questions on the website: 13722361