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suter [353]
3 years ago
13

A pattern that has been established based on verified experimental data that describes an observation but does not provide an ex

planation as to the reason why said observation occurs is a _________.
Chemistry
2 answers:
SSSSS [86.1K]3 years ago
8 0

Answer:

Hypothesis

Explanation:

This is a hypothesis. A hypothesis is simply a scientific guess to explain a particular phenomenon. It provides different approaches to which an observation can be verified and properly ascertained.

If we can deduce a pattern from a set of experimental data that we have but we have not explained why the observations occur, this is still within the phase of the scientific method called hypothesis.

Paraphin [41]3 years ago
5 0

Answer:

The correct answer will be-scientific law

Explanation:

The experiment is performed to test a tentative explanation or hypothesis which explains the process to a limited extent. The hypothesis when proved through repeated experiments gets transformed either in the scientific law or the scientific theory depending on the quantitative measurement.

The scientific law represents the description of any natural phenomenon by providing the mathematical expressions but it does not provide an explanation to the natural process as provided by the scientific theory.

Since the statement does not provide the explanation but only the description of the natural events therefore, a scientific law is the correct answer.

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2 years ago
How many grams of F2 gas are there in a 5.00-L cylinder at 4.00 × 10^3 mm Hg and 23°C?
GuDViN [60]

Answer:

41.17g

Explanation:

We are given the following parameters for Flourine gas(F2).

Volume = 5.00L

Pressure = 4.00× 10³mmHG

Temperature =23°c

The formula we would be applying is Ideal gas law

PV = nRT

Step 1

We find the number of moles of Flourine gas present.

T = 23°C

Converting to Kelvin

= °C + 273k

= 23°C + 273k

= 296k

V = Volume = 5.00L

R = 0.08206L.atm/mol.K

P = Pressure (in atm)

In the question, the pressure is given as 4.00 × 10³mmHg

Converting to atm(atmosphere)

1 mmHg = 0.00131579atm

4.00 × 10³ =

Cross Multiply

4.00 × 10³ × 0.00131579atm

= 5.263159 atm

The formula for number of moles =

n = PV/RT

n = 5.263159 atm × 5.00L/0.08206L.atm/mol.K × 296K

n = 1.0834112811moles

Step 2

We calculate the mass of Flourine gas

The molar mass of Flourine gas =

F2 = 19 × 2

= 38 g/mol

Mass of Flourine gas = Molar mass of Flourine gas × No of moles

Mass = 38g/mol × 1.0834112811moles

41.169628682grams

Approximately = 41.17 grams.

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2 years ago
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Answer:

i think the answer is c hoped this helped

Explanation:

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