subject
Biology, 29.01.2021 01:00 marklynr9955

During a chemical reaction, a fixed amount of iron combines completely with a fixed amount of oxygen to form iron oxide. Which statement best describes the mass of the iron oxide that is produced? The mass is equal to the mass of the iron plus the mass of the oxygen.
The mass is less than the mass of the iron but greater than the mass of the oxygen before reacting.
The mass is greater than the combined mass of both the iron and the oxygen.
The mass is equal to the mass of the iron minus the mass of the oxygen before reacting.

ansver
Answers: 2

Another question on Biology

question
Biology, 22.06.2019 03:30
How can active reading strategies you? o a. they can you get into better physical shape. o b. they can you read fewer science articles. o c. they can you understand what you read. o d. they can you avoid reading altogether.
Answers: 1
question
Biology, 22.06.2019 05:00
Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.
Answers: 2
question
Biology, 22.06.2019 12:10
What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?
Answers: 1
question
Biology, 22.06.2019 18:00
Select the correct answer. for their summer holiday, jane and her family are visiting places surrounding the mediterranean sea. which type of biome is jane and her family visiting? a. rainforest b. shrubland c. tundra d. coniferous forest reset next
Answers: 1
You know the right answer?
During a chemical reaction, a fixed amount of iron combines completely with a fixed amount of oxygen...
Questions
question
Mathematics, 18.02.2022 22:00
question
Mathematics, 18.02.2022 22:00