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3 years ago

How do scientist analyze empirical evidence?

1 answer:

4 0

They utilize and apply the scientific method in gathering, interpreting and analyzing empirical evidence.

Empirical evidence, data or knowledge is an obtained set of facts or figures or existing and presenting data that was yielded during the process of experimentation or scientific discovery. These empirical data or evidence is further studied and investigated by the scientist in a formal scientific approach which follows the steps of observation, making a hypothesis, gathering data, interpreting data and evaluating the data. These steps of the scientific approach are vital in the course to explain and discuss the result and evidence obtained during the process.

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The freezing point of a solution prepared by dissolving 150 × 10–3 g of caffeine in 10.0 g of camphor is lower by 3.07°C than th

Finger [1]

Answer:

Molar Mass=193.9738 g/mol

Molar Mass≅194g/mol

Explanation:

Consider the formula:

m=ΔT/K_{f}

where:

ΔT is freezing point depression

K_{f} is freezing point depression constant

m is the morality=(moles of solute/kg of solvent)

Now:

$m=\frac{3.07}{39.7}$

$m=0.07733 moles of solute/kg of solvent$

Now:

0.07733 (moles of solute/kg of solvent) *0.010 kg of solvent

$7.733*10^{-4}$ moles of solute(Caffeine)

Molar mass = Mass of solute/moles of solute

Molar Mass= $\frac{150*10^-3}{7.733*10^{-4} }$

Molar Mass=193.9738 g/mol

Molar Mass≅194g/mol

6 0

3 years ago

Why neon is in the same group as helium?

guajiro [1.7K]

Neon and helium are both gases that fall under the Noble Gases section in the periodic table of elements.

Hope this helped to answer your question. :D

5 0

3 years ago

Pls help I’m being timed!!

Firdavs [7]

Answer:

Explanation:

Heat increase molecular motion

6 0

3 years ago

Read 2 more answers

What kind of energy does a car possess when it is raised on a lift?

saw5 [17]

Answer:

Kinetic energy

Mechanical Energy is possed by an object due to its change in motion or position. In more generalized, a moving car possess a kinetic energy.

3 0

3 years ago

A car starts from rest at a stoplight and reaches 20 M/s in 3.5 seconds determine the acceleration of the car

grigory [225]

$a = \frac{v}{t}$
so just plug in the velocity for v, which is 20 m/s
and plug in the time for seconds which is 3.5s

so
$a = \frac{20 \frac{m}{s} }{3.5s}$
that will give you your answer

4 0

3 years ago