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sweet-ann [11.9K]
3 years ago
9

The Kelvin scale is based on the concept of absolute zero.explain the concept

Chemistry
1 answer:
allsm [11]3 years ago
6 0

Answer:Absolute zero is the lowest possible temperature where nothing could be colder and no heat energy remains in a substance. ... By international agreement, absolute zero is defined as precisely; 0 K on the Kelvin scale, which is a thermodynamic (absolute) temperature scale; and –273.15 degrees Celsius on the Celsius scale.

Explanation:

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Which of the following has the ability to turn light energy into chemical energy? A. a generator B. an automobile C. a tree D. w
densk [106]
C. A tree          Trees can turn light into chemical energy using photosynthesis. 
7 0
4 years ago
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In terms of particle movement and energy what occurs when a solid is heated to its melting point
Lelechka [254]
The particles are given more energy and start to vibrate faster. In certain temps the particles vibrate so much that their ordered structure breaks down to the point the solid melts into liquid
4 0
3 years ago
According to VSEPR theory, the structure of the ammonia molecule, NH3, is
Hatshy [7]

According to VSEPR theory, the structure of the ammonia molecule, NH3, is linear.

So your answer is B) linear



5 0
3 years ago
Consider the following reaction: 2 Bi(s) + 3 Cl2(g) → 2 BiCl3(s)
Mandarinka [93]

Taking into account the reaction stoichiometry, 1.119 grams of chlorine gas are required to produce 3.32 grams of bismuth chloride is produced.

<h3>Reaction stoichiometry</h3>

In first place, the balanced reaction is:

2 Bi + 3 Cl₂ → 2 BiCl₃

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

  • Bi: 2 moles
  • Cl₂: 3 moles
  • BiCl₃: 2 moles

The molar mass of the compounds is:

  • Bi: 209 g/mole
  • Cl₂: 70.90 g/mole
  • BiCl₃: 315.45 g/mole

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

Bi: 2 moles ×209 g/mole=418  g

Cl₂: 3 moles ×70.90 g/mole= 212.7 g

BiCl₃: 2 moles ×315.45 g/mole= 630.9 g

<h3>Mass of Cl₂ required</h3>

The following rule of three can be applied: If by reaction stoichiometry 630.9 grams of BiCl₃ are formed by 212.7 grams of Cl₂, 3.32 grams of BiCl₃ are formed by how much mass of Cl₂?

mass of Cl_{2} =\frac{3.32 grams of BiCl_{3}x212.7 grams of Cl_{2} }{630.9 grams of BiCl_{3}}

<u><em>mass of Cl₂= 1.119 grams</em></u>

Finally, 1.119 grams of chlorine gas are required to produce 3.32 grams of bismuth chloride is produced.

Learn more about the reaction stoichiometry:

<u>brainly.com/question/24741074</u>

<u>brainly.com/question/24653699</u>

5 0
2 years ago
Calculate the number of atoms in 4g of bromine molecule.(Br).
KIM [24]

Answer:

\\ N=n * N_{A}

We do not have n - the amount of substance.

n=\frac{m}{M}\\

The molecular weight (M) of Bromine is 80.

n=\frac{4}{80} = 0.05 \text{ mol}

N = 0.05 * 6.02 * 10^{23} = 0.301 * 10^{23}

3 0
3 years ago
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