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Elenna [48]
3 years ago
7

What is the main purpose of conducting experiments? question 8 options: proving a theory correct proving a hypothesis correct ma

king initial observations disproving a hypothesis?

Chemistry
2 answers:
aliya0001 [1]3 years ago
7 0

<em>The main purpose of conducting experiments is proving a hypothesis correct</em>

<h3><em>Further explanation</em></h3>

The development of chemistry begins with experiments that consist of chemical stages/processes. This method is a form of a scientific method that is commonly used by scientists in carrying out experiments.

This scientific method is carried out in several stages:

  • 1. Observation,
  • 2. Determine the problem,
  • 3. Data,
  • 4. Hypothesis,
  • 5. Experiments,
  • 6. Analysis,
  • 7. Conclusion,
  • 8. Compilation of laws or theories, the hypotheses that have been tested through various experiments can be compiled a theory

From this research will be obtained from the numbers or values ​​recorded, carefully recorded and carefully both observed, like color, texture, etc. or quantitative data in the form of numbers, large, high. volume etc.

From these data, scientists can take information that is used as a temporary conclusion in the form of a hypothesis. Next, several experiments, trials, and errors will be carried out to test this hypothesis until the expected results are in the predetermined problem at the outset.

The proven hypothesis is a statement about conditions that can occur in other cases with the same situation.

If this law has been tested from various research scientists will produce a theory

If we see the answer:

  • 1. proving a theory correct,

The theory that has been stated by a scientist must have gone through various experiments and has been investigated by many scientists so that the truth has been tested

Research is only able to determine the hypothesis of an existing theory, not to prove it

So wrong statement

  • 2. proving a correct hypothesis

The hypothesis must be accompanied by research to prove the hypothesis made

So it's a true statement

  • 3. making initial observations

Observation is the initial stage of research on a particular object, so it is not the basis for doing research

So wrong statement

  • 4. disproving a hypothesis

The hypothesis is only a temporary conjecture, so it can be proven or may be wrong, but not to be denied

So wrong statement

So the correct answer is proving the correct hypothesis

<h3><em>Learn more</em></h3>

the scientific method steps and process

brainly.com/question/241928

the Scientific Method

brainly.com/question/5033788

scientists use the scientific method

brainly.com/question/9602076

the purpose of the scientific method

brainly.com/question/1178992

Keywords: scientific method, hypothesis

Dafna1 [17]3 years ago
7 0

The main purpose of conducting experiments is  \boxed{{\text{proving a hypothesis correct}}}

Further Explanation:

Scientific Method: It involves thinking about any scientific problem, subject or content. It also includes the observation, hypothesis, comparison, organization, prediction, experimentation, evaluation and application.

Following are the steps of scientific methods:

1. Understanding the experiment

2. Pose a testable question

3. Research the topic

4. State a hypothesis

5. Design the experiment

6. Perform the experiment

7. Data collection

8. Draw conclusions

Experiment:

It is a procedure that is designed for a specific purpose and is a part of the scientific method. It involves dependent as well as independent variables. There are three main types of experiments such as controlled experiments, field experiments, and natural experiments.

Theory:

It is a well-established explanation for the data. It can be established only when tested by various scientists. It can also be rejected by just a single contrasting result.

Observation:

It is any sort of information collected with the help of human senses. It results in raising several questions that lead to further investigations. It is necessary to collect proofs for the respective investigations.

Hypothesis:

It is an explanation that is being proposed for observation and is tested by an experiment.

Proving a theory correct:

A theory is provided by scientists after a long set of experiments. It is also verified by other scientists. So it is not the purpose of conducting experiments and therefore this option is incorrect.

Proving a hypothesis correct:

The hypothesis is made regarding the experiment, followed by the research work that proves the assumed hypothesis. So this option is correct.

Making initial observations:

Observation is a part of conducting an experiment that comes into play when research is being done on something but it cannot be considered as the purpose to conduct experiments. So this option is incorrect.

Disproving a hypothesis:

The hypothesis is just an assumption that can be either right or wrong. But it cannot be refused. So this option is incorrect.

Learn more:

1. Transformation in chemistry by Lavoisier: brainly.com/question/5310569

2. Which of the phase changes is an exothermic change? brainly.com/question/1875234

Answer details:

Grade: Senior School

Subject: Chemistry

Chapter: Keys to studying chemistry

Keywords: experiment, purpose, observations, hypothesis, proving, disproving, correct, theory, data collection, conclusion, right, wrong, scientific method, scientists, investigation.

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Hitman42 [59]

Answer:

The final volume is 3.07L

Explanation:

The general gas law will be used:

P1V1 /T1 = P2V2 /T2

V2 =P1 V1 T2 / P2 T1

Give the variables to the standard unit:

P1 = 345 torr = 345 /760 atm = 0.4539atm

T1 = -15°C = -15 + 273 = 258K

V1 = 3.48L

T2 = 36°C = 36+ 273 = 309K

P2 = 468 torr = 468 * 1/ 760 atm = 0.6158atm

V2 = ?

Equate the values into the gas equation, you have:

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4 years ago
25 points please help
maxonik [38]

Answer : Option (A) Accelerator 2 model has the lowest percentage of energy lost as waste.

Solution : Given,

For Accelerator 1 model,

Input energy = 2078.3 J

Wasted energy = 663.1 J

Output energy = 1415.2 J

For Accelerator 2 model,

Input energy = 7690.0 J

Wasted energy = 2337.5 J

Output energy = 5353.5 J

For Accelerator 3 model,

Input energy = 4061.9 J

Wasted energy = 2259.6 J

Output energy = 1802.3 J

Formula used for lowest percentage of energy lost as waste is:

% energy lost as waste = (Total energy wasted / Total input energy )  ×  100

For Accelerator 1 model,

% energy lost as waste = \frac{663.1}{2078.3}\times100 = 31.90%

For Accelerator 2 model,

% energy lost as waste = \frac{2337.5}{7690.0}\times100 = 30.39%

For Accelerator 3 model,

% energy lost as waste = \frac{2259.6}{4061.9}\times100 = 55.62%

So, we conclude that the Accelerator 2 model has the lowest percentage of energy lost as waste.



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Ooooh boy alright. So, this may or may not be a limited reactant problem so we need to first find out of it is.

First, how many moles of each substance are there

the molar mass of BCl3 is <span>117.17 grams so 37.5 g / 117.17 is ~ .32 mol.
The molar mass of H2O is 18.02 so 60 / 18.02 is ~ 3.33 mol.

Now, for every 1 mole of BCl3, there are 3 moles of HCl created. Therefore, BCl3 can create ~ .96 moles.
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But, there is not enough BCl3 to support that 3.33 moles, only enough for .96 moles, therefore BCl3 is the limiting reactant. Now, to answer the question, simply multiply .96 moles by the molar mass of HCl.

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