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Xelga [282]
3 years ago
12

Describe how the behavior of the bees can be used to model the states of matter. Include the behavior and spacing of particles i

n each state of matter in your answer.​
Chemistry
1 answer:
Luda [366]3 years ago
7 0

Answer:

The temperture and about to flowers could affect the behavior of the bees

Explanation:

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What are examples of molecular compounds that we use in everyday life?
IrinaVladis [17]

Answer:

Carbon dioxide and hydrogen monoxide

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3 years ago
PLEASE HELP BRAINLIEST AND 15 points.
PtichkaEL [24]

Answer:

Substance B, boiling point of 105 °C

Explanation:

Non volatile substances have high boiling points

5 0
2 years ago
What is required on a chemical label
Pani-rosa [81]

Answer: What is required on a chemical label includes pictograms, a signal word, hazard and precautionary statements, the product identifier, and supplier identification.

Explanation:

4 0
3 years ago
Which statements are true?
schepotkina [342]

Explanation:

  • Evaporation is defined as a process in which liquid state of water is changing into vapor state.

So, we need to break the bonds of liquid substance in order to convert it into vapor state. And, energy is absorbed for breaking of bonds which means that evaporation is an endothermic process.

Hence, the statement evaporation of water is an exothermic process is false.

  • When a hydrocarbon reacts with oxygen and leads to the formation of carbon dioxide and water then this type of reaction is known as combustion reaction.

A combustion reaction will always release heat energy. Hence, combustion reaction is exothermic in nature.

  • When energy is transferred as heat from the surroundings to the system then it means energy is being absorbed by the system. And, absorption of heat is an endothermic process for which \Delta H is positive.
  • Whereas when energy is transferred from system to the surrounding then it means energy is released by the system which is an exothermic process.

Hence, for an exothermic process value of \Delta H is negative.

Thus, we can conclude that statements which are true are as follows.

  • A combustion reaction is exothermic.
  • When energy is transferred as heat from the system to the surroundings, \Delta H is negative.
  • For an endothermic reaction Deta H is positive.
5 0
3 years ago
What would you use if you needed to determine the density of an object
IrinaVladis [17]
In order to find the density of an object, you need to know the mass of the object and the volume.
That is why the unit of density is kg/m3.
Hope it helps
8 0
3 years ago
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