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kogti [31]
3 years ago
14

What does the symbol (–Delta.Hfus) indicate in a phase change?

Chemistry
1 answer:
Rufina [12.5K]3 years ago
8 0

Answer:

changes from a solid to a liquid

Explanation:

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A balloon is filled with 0.400 moles of gas. How many liters of gas at STP were pumped into the balloon?
Fynjy0 [20]

Answer:

8.96 L

Explanation:

At STP, 1 mole = 22.4 L

0.400 mole *   (22.4 L. /1 mole of gas) = 8.96 L

3 0
3 years ago
What do butterflies and lobsters have in common?
Stella [2.4K]

Answer:

They all wear their skeletons on the outside! This is called an exoskeleton and all creatures that have their structure on the outside are included in the phylum of Arthropods.

Explanation:

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3 years ago
a fixed amount of gas at 25.0 degrees Celsius occupies a volume of 10.0 L when the pressure is 629 torr. Use Charles law to calc
kirill [66]

Explanation:

Since pressure remained constant, we can eliminate P from the equation

\frac{pv }{t}  =  \frac{pv}{t}

Doing some algebra and converting temperature to Kevin by adding 273, you should obtain the same result.

8 0
3 years ago
When the pressure of a gas decreases, which quantity will increase, assuming all other variables are held constant?
frosja888 [35]

I don't think the answer is in one of the options- unless I am reading it wrong and there is a 'V' option.

The volume (V) of gas increases when the pressure of the gas decreases assuming all the other variables are held constant.

I hope this helps!

7 0
3 years ago
What is the correct electron configuration for 48Cd
kherson [118]

Answer:

1s² 2s²2p⁶ 3s²3p⁶ 4s²3d¹⁰4p⁶ 5s²4d¹⁰

Explanation:

Cd is the last element in the 4d block of the Periodic Table (see Figure).

It has the electron configuration of Kr, plus filled 5s and 4d subshells.

Thus, its electron configuration is

1s² 2s²2p⁶ 3s²3p⁶ 4s²3d¹⁰4p⁶ 5s²4d¹⁰

3 0
3 years ago
Read 2 more answers
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