What takes longer to melt a small quantity or a large quantity?

Answers

Answer 1

Answer:

Answer:

A large quantity

Explanation:

A large quantity will take much longer to melt compared to a small quantity of the same matter.

The rate of melt of a substance is particularly a function of the nature of the substance and the amount of energy supplied to it.

If we assume that we are dealing with different quantities of the same substance, then the one that has more mass will melt faster because less energy would be required to change its state.

A large quantity of matter will take more time to melt.

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The ______ parts of organisms are most likely to become fossils.

Answers

The hard parts of an organism, such as shells and bones.

hard parts of organisms are mist likely to become fossils

Can atoms combine in different ways to make up all the substances you encounter every day

Answers

yep, for example "COKE" atoms of sugar, and other stuff combined to make a delicious drink.

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Is 2 pounds bigger than 80 ounces

Answers

no because 2 pounds only equals 16 ounces times 2 so it equals 32 ounces which is not bigger than 80

no because 2 pounds is 16

Which of the following is a element water,oxygen, carbon dioxide ammonia

Answers

If you look on the periodic table, you'll find that oxygen is an element. You can also find out by looking up how each formula is written. Oxygen - O | Carbon Dioxide - CO2 | Water - H2O | Ammonia - NH3. An element has only one capital letter. Oxygen is the only one which falls under that category.

Answer:oxygen

Explanation:

After decaying for 48 hours,1/16 of the original mass of a radioisotope sample remains unchanged. What is the half-life of this radioisotope?

Answers

Half-life is the period in which radioisotope sample halves it's mass.
If 1/16 of the sample remains it means that there were 4 half-life periods (16=2⁴)
4 half-life periods = 48 hours /4
half-life period = 12 hours

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The radioisotope is an unstable chemical element. The half-life of the radioisotope after decaying for 48 hours is 12 hours.

What is half-life?

Half-life is a period taken by the radioisotope to get decayed by half the original amount. The half-life is the time that is needed by the reactant to get decreased and form the product.

If the sample remained is 1/16 then there are 4 half-life periods present.

4 half life = 48 hours ÷ 4

= 12 hours

Therefore, 12 hours is the half-life period.

Learn more about half-life here:

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Write the pressure equilibrium constant expression for this reaction. 2CO2 (g) + 4H2O (g) → 2CH3OH (l) + 3O2 (g)

Answers

Answer:

The pressure equilibrium constant (Kp) = (P O₂)³/(P CO₂)²(P H₂O)⁴.

Explanation:

For the reaction:

2CO₂ (g) + 4H₂O (g) → 2CH₃OH (l) + 3O₂ (g).

The pressure equilibrium constant (Kp) = the product of the pressure of the products side components / the product of the pressure of the reactantss side components.

each one is raised to a power equal to its coefficient.

∴ The pressure equilibrium constant (Kp) = (P O₂)³/(P CO₂)²(P H₂O)⁴.

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