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Inessa [10]
4 years ago
14

In bullet points: explain the difference between thermal energy, heat and temperature.

Chemistry
1 answer:
sergeinik [125]4 years ago
3 0
  • Thermal Energy- is the energy that comes from heat. This heat is generated by the movement of tiny particles within an object. The faster these particles move, the more heat is generated.

  • Heat-energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases. Heat energy can be transferred from one object to another. The transfer or flow due to the difference in temperature between the two objects.

  • Temperature- is a measure of how hot or cold something is; specifically, a measure of the average kinetic energy of the particles in an object, which is a type of energy associated with motion.
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The heaviest commonly used United States coin is the half dollar, which has a mass of 11.340g. The lightest United States coin i
Kruka [31]

Answer:

13.6×10^3

Explanation:

11.340+2.268= 13.608

7 0
4 years ago
Could someone describe a procedure to separate a mixture of salt, sand, and water?
frosja888 [35]
Water and salt, since the salt has dissolved into the water, assumingly, and sand isn't dissolvable so it can't pass through. If the water were to dry up, then you'd get the salt back, then it won't be able to go through the filter
4 0
3 years ago
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I need help with these chem converions pleaseeee
Vlad [161]

Answer:

For the Extra Credit Question your answer is 6.307e+9

Explanation:

8 0
3 years ago
Is HF the most polar among covalent bonds?
Sladkaya [172]

Answer:

No.

Explanation:

HI is more polar than HF

3 0
2 years ago
A stock solution of HNO3 is prepared and found to contain 13.1 M of HNO3. If 25.0 mL of the stock solution is diluted to a final
musickatia [10]

Answer:

The diluted solution is 0.65 M

Explanation:

Dilution formula to solve the problem is:

M concentrated . V concentrated = M Diluted . V diluted

We can also make a rule of three though.

In 1000 mL of concentrated solution, we have 13.1 moles of  HNO₃

So in 25 mL we have (25 . 13.1 ) / 1000 = 0.327 moles of HNO₃

This moles are also in 0.500 L of diluted solution, the new molarity will be:

0.327 mol / 0.5L = 0.65 M

Molarity of diluted solution must be always lower than concentrated solution, otherwise the excersise is wrong.

If we replace in the formula

13.1 M . 25 mL = 500 mL . M diluted

M diluted = 13.1 m . 25 mL / 500 mL = 0.65 M

6 0
3 years ago
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