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3 years ago

How steadily supplying thermal energy to a sample of ice will

Chemistry

1 answer:

Aloiza [94]3 years ago

3 0

Answer:

Explanation:

As the ice absorbs the thermal energy, its temperature rises. At some point, the temperature stops rising and begins to change to liquid water. This process is called melting. The thermal energy causes the particles of the ice to vibrate rapidly causing the change of state.

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Four students all do the same experiment for the science fair. They test reaction times for pushing a button when a specific col

dsp73

The order of the students from the most reliable to the least reliable is C. Student 4, Student 1, Student 2, Student 3.

<h3>what student has the most reliable data?</h3><h3 />

the student with the most reliable data is the one that has the least variation in their data in the various trials.

this student is therefore student 4.

the next student would be student 1 and student 2 would be the third most reliable.

student 3 has large variations in their trials which makes their data the least reliable.

find out more on reliable data at brainly.com/question/8391667.

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7 0

2 years ago

What is the concentration of a solution of 10. Moles of copper nitrate in 5.0 liters of solution

Alja [10]

Answer:

10.5

Explanation:

well we added together so thats the result

3 0

3 years ago

What are the fundamental particles of an atom<br>

tatyana61 [14]

Protons, neutrons, and electrons are the fundamental subatomic particles.

5 0

3 years ago

Methane is the main component of natural gas. Using the given reaction enthalpy, calculate the heat energy produced by the combu

SVETLANKA909090 [29]

Answer: The heat energy produced is 53831.25KJ

Explanation:

METHANE is the main component of natural gas. It can undergo combustion reaction in air with a bright blue flame to produce carbondioxide and water. The heat of reaction (enthalpy) is negative because heat is absorbed during the chemical reaction. To calculate the heat energy produced by the combustion of one kilogram (1 kg) of methane the following steps are taken:

Molecular mass of methane =16 gm/mol.

So moles of 1 kg methane =

Given mass of methane ÷ molecular weight of methane

But the given mass = 1kg = 1000g

Therefore,

moles of 1000g methane = 1000÷16

= 62.5 moles

Hence, energy evolved = (moles of methane) × (heat of combustion)

Therefore,

heat energy produced= 62.5 × (-861.3kj)

= -53831.25kj

7 0

3 years ago

Granola a solution colloid or suspension

dangina [55]

Its a suspension because a colloids ingredients cant be seen.

8 0

4 years ago