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3 years ago

Why do the particles of objects have both kinetic and potential energy?

1 answer:

3 0

The particles of objects have both kinetic and potential energy because these forces are drive by the force of motion or stillness of an object. Potential energy is the a type of energy which an object possess however without motion. Kinetic energy in the other hand, is the energy in motion or if the object moves along from one space to another with respect to time. They both have these two energies by the presence of atoms in these entities.

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Evaluate (754 mm )/(43 s ) to three significant figures and express answer in si units using an appropriate prefix.

muminat

solution:

According to the question we need to convert it into SI units.

= 754 mm / 43 s

= 754 * 10 ^ -3 m / 43 s

=0.017534 m/s

3 0

3 years ago

If a 12oz can of Soda contains 48.0g of sugar and you drink one can a day for one month (31 days), how many pounds (lb) of sugar

marishachu [46]

Answer:

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Explanation:

3 0

3 years ago

Two atoms With diferent mass number but the same atomic number are called

USPshnik [31]

Answer:

they are called isotopes

5 0

3 years ago

Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of hydrogen, and 54.2 grams of oxygen.

Lilit [14]

The Empirical formula of compound is C₁H₂O₁. The Molecular Formula of the compound is 4 (C₁H₂O₁).

<h3>What is Empirical Formula ?</h3>

Empirical formula is the simplest whole number ratio of atoms present in given compound.

Element % Atomic mass Relative no. of atoms Simplest whole ratio

C 40.6 12 $\frac{40.6}{12}$ = 3.3 $\frac{3.3}{3.3} = 1$

H 5.1 1 $\frac{5.1}{1}$ = 5.1 $\frac{5.1}{3.1} = 2$

O 54.2 16 $\frac{54.2}{16}$ = 3.3 $\frac{3.3}{3.3} = 1$

The Empirical formula of compound is C₁H₂O₁ or CH₂O

<h3>How to find the Molecular formula of compound ?</h3>

Molecular formula = Empirical formula × n

$n = \frac{\text{Molecular weight}}{\text{Empirical Formula weight}}$

$= \frac{118.084}{30}$

= 4

Molecular formula = n × Empirical formula

= 4 (C₁H₂O₁)

Thus from the above conclusion we can say that The Empirical formula of compound is C₁H₂O₁. The Molecular Formula of the compound is 4 (C₁H₂O₁).

Learn more about the Empirical Formula here: brainly.com/question/1603500

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6 0

2 years ago

CONVERT 2 MOL OF OXYGEN TO ATOMS.<br><br>PLeasee...?

kiruha [24]

Answer:

1.2044 × 10^24 oxygen atoms

Explanation:

To convert from moles to atoms, simply multiply the number of moles by Avogadro's number, 6.022 × 10^23

2 × 6.022 × 10^23

=1.2044 × 10^24

4 0

3 years ago