1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alex787 [66]
3 years ago
13

Plz help me find # 1 and 2. Thanks

Chemistry
1 answer:
Andreyy893 years ago
5 0
1. The independent variable is the activities that the athletes are doing. An independent variable is what changes in an experiment so that's why it's the different activities.
2. The dependent variable is the rate of oxygen consumption. A dependent variable is something that is measured, which is what they're trying to do in the experiment. They want to know if certain activities affect the oxygen consumption that the athletes are receiving.
Hope this helped!
You might be interested in
The molecular structure of water contains two atoms of hydrogen and one atom of oxygen . When water reaches its boiling point an
Arisa [49]
Molecules starts to get farther apart from each other. At boiling point the state of water changes to gas.
4 0
3 years ago
What causes these H-bonds to form?
erik [133]

Answer: It is caused by the tendency of some atoms in molecules to attract electrons more than their accompanying atom.

4 0
3 years ago
What initial observation led to the Alvarez asteroid-impact theory? a large undersea crater off the coast of the Yucatan Peninsu
Nikitich [7]

Answer: high iridium levels in a 66- million-year-old clay layer in Denmark and Italy

Explanation:

6 0
3 years ago
Read 2 more answers
What is the powerhouse of the cell?
nordsb [41]

Answer:

Mitochondria is the powerhouse of the cell, but don't let this distract you from the fact that Mr. Krabs sold SpongeBob's soul for 62 cents

3 0
4 years ago
Read 2 more answers
3Fe+4H2O(yields) Fe3O4+4H2. What is the mole ratio of Fe3O4 to Fe?
WINSTONCH [101]

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

Mole ratio is defined as the ratio between the stoichiometric coefficients of the molecules present in the chemical reaction.

For the given balanced chemical equation:

3Fe+4H_2O\rightarrow Fe_3O_4+4H_2

By Stoichiometry of the reaction:

3 moles of iron metal reacts with 4 moles of water to produce 1 mole of iron oxide and 4 moles of hydrogen gas.

The mole ratio of Fe_3O_4:Fe=1:3

Hence, the correct answer is Option A.

7 0
3 years ago
Read 2 more answers
Other questions:
  • How much does a gold bar wiegh and how much is it wotrth
    11·1 answer
  • which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use?
    11·2 answers
  • Which indicator of a chemical change is shown?
    14·2 answers
  • What has a higher temperature a match or an ice cube
    8·1 answer
  • Why are chromosomes not always visible?
    7·1 answer
  • Enter the net ionic equation for the reaction of aqueous sodium chloride with aqueous silver nitrate.
    11·2 answers
  • Interconic attraction theory states what​
    12·1 answer
  • A student uses 0.0821 L• atm/mol • K as the value of the gas constant. What is most likely true about the variables in the ideal
    15·2 answers
  • Please help ASAP! Please and thank you have a great and blessed day!,
    9·2 answers
  • I'll mark you the brainlest just hurry up and answer the question.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!