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3 years ago

Using the following phase diagram, which line segment describes the interface between solid and vapor?

1 answer:

7 0

In the given <span>phase diagram, the line segment that describes the interface between solid and vapor is A-B. The rest of the choices do not answer teh question above</span>

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Which has more thermal energy, a bucketful of water at 21 Celsius degrees or a swimming pool at the same temperature?

worty [1.4K]

Answer:

Bucket full of water

Explanation:

Metal burns easy

4 0

2 years ago

A 36.2 g object has a heat capacity of 12.5 J/ oC. How much energy (in J) is required to raise the temperature by 5.73 oC?

iren2701 [21]

Answer:

$\Delta H=2592.825\ J$

Explanation:

The expression for the calculation of the enthalpy change of a process is shown below as:-

$\Delta H=m\times C\times \Delta T$

Where,

$\Delta H$ is the enthalpy change

m is the mass

C is the specific heat capacity

$\Delta T$ is the temperature change

Thus, given that:-

Mass of object = 36.2 g

Specific heat = 12.5 J/g°C

$\Delta T=5.73\ ^0C$

So,

$\Delta H=36.2\times 12.5\times 5.73\ J=2592.825\ J$

$\Delta H=2592.825\ J$

7 0

3 years ago

Read 2 more answers

Which of the following statements about catalysts is true ?

Leokris [45]

A. Organic catalysts are called enzymes.

Explanation:

The true statement of all is that organic catalysts are called enzymes. For example, saliva in the mouth is made up of different enzymes which are secreted in the human body.

Catalysts reduces the activation energy and makes reaction proceed very fast. They generally increase the rate of chemical reactions.
Catalysts like temperature affects the rate of chemical reaction. Chemical reactions increases as temperature increases.
Catalysts in the human body are very useful because they help chemical reactions in the body to proceed at a much faster rate.

Learn more:

Biological catalysts brainly.com/question/8413755

#learnwithbrainly

4 0

3 years ago

Organisms can be classified either as multi-celled or single-celled. Which of the following groups contains at least some single

VLD [36.1K]

Ok, So bacteria and fungi are unicellular or single-celled. While Animals are multi-celled.

6 0

3 years ago

Read 2 more answers

Propane is used as a fuel source on many barbeque grills. What is undergoing reduction during the burning of propane while grill