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Fittoniya [83]
2 years ago
11

a student investigated the factors that affect math grades. Which statement from the lab report best represents a conclusion for

this investigation?

Chemistry
1 answer:
Neporo4naja [7]2 years ago
8 0

The correct answer choice from the statement above about investigated factors from lab results is :

Students who spend less time studying after school get lower math grade

Option D is the correct answer

<h3>What is mathlab?</h3>

This is an online platform where mathematics tutors help students to solve their difficulties in mathematics.

Mathematics is one of the most important aspect of knowledge in the education.

So therefore, The correct answer choice from the statement above about investigated factors from lab results is :

Students who spend less time studying after school get lower math grade

Learn more about MathLab:

brainly.com/question/13974197

#SPJ1

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Which of these is a characteristic of science? (5 points) Question 1 options: 1) It cannot be reproduced by any scientist. 2) It
Alex17521 [72]

Answer:

3

Explanation:

It is based on empirical evidence

4 0
3 years ago
Describe how the molecular structures of alkenes and alkynes differ from the structure of alkanes
evablogger [386]

Alkanes are saturated hydrocarbon that contains only single bonds, whereas Alkenes and Alkynes are unsaturated hydrocarbons which contain one or more double bond and triple bonds.

<u>Explanation:</u>

  • A saturated hydrocarbon with an only single bond is called alkanes. Ethane consisting of two carbon atoms that are bonded with a single bond and six hydrogen atoms sharing the other valence electron of carbon atoms. The molecular structure of alkane is CnH2n+2.
  • An unsaturated hydrocarbon with a two bond is called alkenes. Ethene consisting of two carbon atoms double-bonded to each other. The molecular structure of alkene is CnH2n.
  • An unsaturated hydrocarbon with a triple bond is called as alkynes. It involves sharing three pairs of electrons. The molecular structure of alkyne is CnH2n-2.
4 0
3 years ago
Which of the following values is measured the LEAST precisely? * 22mL 45.2mL 50mL 100mLchem​
nekit [7.7K]

Answer:

If you're looking at the data as a whole, it would most likely be 100ml.

Explanation: The definition of precise is data close together so 100ml is furthest away from the other recorded numbers

7 0
3 years ago
The graph below shows the decay of a radioactive isotope. What is the half-life of the isotope?
Stells [14]
I think the answer is b
3 0
3 years ago
The pressure of a basketball is 412 mmHg. How many kPa is that equal to?
pychu [463]

Answer:

d. 54.9 kPa

Explanation:

mmHg and Pa are units of pressure used in chemistry principally in the study of gases. 1mmHg is equal to 133.322Pa. 412mmHg are:

412 mmHg * (133.322Pa / 1mmHg) = 54929 Pa

The prefix K (Kilo) represents one thousand of the determined unit.

54929Pa are:

54929Pa * (1KPa / 1000Pa) = 54.9kPa

Right answer is:

<h3>d. 54.9 kPa </h3>

3 0
3 years ago
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