2 years ago

What biological factors and/or actions contribute to increases in entropy?

1 answer:

3 0

Answer:

If you increase temperature, you increase entropy. (1) More energy put into a system excites the molecules and the amount of random activity. (2) As a gas expands in a system, entropy increases.

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The boiling process is considered to be____

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your answer is D. physical change, because a new substance is not formed.

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2 years ago

A brick measures 25 cm by 12 cm by 13 cm. What is the volume of the brick in cm3? How many milliliters of water would this brick

hodyreva [135]

Volume is lxwxh so do 25x12x13

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3 years ago

Theory is often used as a synonym for idea in everyday life.

Rasek [7]

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3 years ago

135 grams of sodium has ______ moles. (Enter just the number for this one.)

just olya [345]

Answer : 135 grams of sodium has 5.869 moles.

Solution : Given,

Mass of sodium = 135 grams

Molar mass of sodium = 23 g/mole

Formula used :

$\text{Moles of sodium}=\frac{\text{Mass of sodium}}{\text{Molar mass of sodium}}$

Now put all the given values in this formula, we get

$\text{Moles of sodium}=\frac{135g}{23g/mole}=5.869moles$

Therefore, the moles of sodium present in 135 grams of sodium is, 5.869 moles.

6 0

3 years ago

How many moles are in a 111.5 gram sample of sodium chloride, NaCl?

Katarina [22]

Answer: 1.91 moles

Explanation:

First you want to find the molar mass of NaCL

Na = 22.99g Cl = 35.45g

22.99g + 35.45g = 54.44g

Then divide 111.5g by 54.44g and this will give you moles.

5 0

2 years ago