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
Hatshy [7]
3 years ago
9

Kobe is testing whether 100 g of substance A, 100 g of substance B, or 100 g of substance C produces more oxygen in a chemical r

eaction at 25°C. What is the independent variable? a) the nature of the substances.b) the masses of the substances.c) the amount of oxygen produced.d) the temperature of the substance.
Chemistry
2 answers:
ella [17]3 years ago
5 0

Answer: Option (a) is the correct answer.

Explanation:

An independent variable is defined as a variable whose value or which is controlled in a scientific experiment. Basically, an independent variable is able to change the value of dependent variable.

The value of an independent variable can be changed by the experimenter.

For example, nature of substances in a chemical reaction will act as an independent variable.

This is because if a substance is reactive in nature then in the presence of another substance cannot become unreactive. Hence, nature of a substance is an independent variable.

Thus, we can conclude that out of the given options the nature of the substances is the independent variable.

rewona [7]3 years ago
4 0

Answer:

The answer is A.

Explanation:

Kobe is testing whether 100 g of substance A, 100 g of substance B, or 100 g of substance C produces more oxygen in a chemical reaction at 25°C.

What is the independent variable?

>the nature of the substances

the temperature of the substances

the amount of oxygen produced

the masses of the substances

You might be interested in
Contains a nonmetal and metal
Dahasolnce [82]
Salt - Na Cl
Sodium(metal) and chloride(nonmetal)
3 0
3 years ago
Which of the following elements has the largest electronegativity?
stira [4]

Answer:

FLUORINE

Explanation:

It has 5 electrons In Its 2P shell!

3 0
2 years ago
Read 2 more answers
How are atoms connected to Electricity
qwelly [4]
The protons and electrons of an atom are attracted to each other. They both carry an electrical charge. Protons have a positive charge (+) and electrons have a negative charge (-). The positive charge of the protons is equal to the negative charge of the electrons.
5 0
2 years ago
When did the first particles of matter originate
Alisiya [41]
No one is 100% sure when particles of matter originated however scientist believe it had to be some time before the Big Bang
5 0
3 years ago
Do bacteria help people?? This is science but there is no tab
Charra [1.4K]

Answer:

Yes

Explanation:

Some bacteria is good for you like the bacteria in your digestive system, which helps with breaking down food and keeping you healthy

4 0
2 years ago
Other questions:
  • An unknown solution has a pH of 2 . How would you classify this solution?
    9·2 answers
  • Why could the mass of argon be greater than the mass of potassium even though it has a lower atomic number?
    14·1 answer
  • The activation energy for a reaction is 84.0kJ/mol. Addition of a catalyst lowers the activation energy by 23.0 kJ/mol, while le
    13·1 answer
  • If you have 65.8 grams NH3, how many grams of F2 are required for complete reaction?
    7·1 answer
  • Draw the correct Lewis structure of this molecule by placing atoms on the canvas and connecting them with bonds. Include all hyd
    8·1 answer
  • Definition: This is a measure of the quantity of matter.
    9·2 answers
  • An atom is to a molecule as
    7·2 answers
  • Transform boundaries occur where two plates – a slide past each other. b slide apart from each other. c slide towards each other
    10·1 answer
  • Can someone pls help me with this its due in 20 minutes.
    12·1 answer
  • A central atom has two lone pairs on opposite sides and four single bonds. What is the molecule geometry of the result?
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!