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DanielleElmas [232]
3 years ago
5

The element with the most stable nucleus and smallest mass per particle is

Chemistry
1 answer:
Margaret [11]3 years ago
4 0
"18) the element with the most stable nucleus and smallest mass per particle is:A) uranium.B)argon C) helium."
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The initial pressure and volume of a gas are 55.16 kilopascals and 0.500 liter. According to Boyle’s law, if the volume of the g
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Answer: The final pressure is 34.48kPa

Initial Pressure P1 = 55.16kPa

Initial Volume V1 = 0.500L

Final Pressure P2 = ?

Final Volume V2 = 0.800L

Boyle's law P1V1 = P2 V2

P2 = P1V1/V2

P2 = 55.16*0.5/0.8

P2 = 34.48kPa

7 0
3 years ago
When a piece of sodium carbonate reacts with dilute HCl, a gas X is produced. When gas X is passed through lime water then the s
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Gas x would be carbon dioxide.

note/ acid + carbonate —> salt + water + carbon dioxide

the white precipitate would be calcium carbonate. CaCo₃

note/ this is a common eqn u need to remember.

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sodium carbonate is a basic salt
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3 years ago
A geological process (2 points)
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They are all correct good job bud I hope it helps and good luck

4 0
3 years ago
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A sample of a gas is placed inside a cylinder that is a fixed size. The cylinder is heated as additional gas is added to it. Wha
makkiz [27]
The pressure of gas will increase because gaseous state is the final state and even if the heat added is evaporating some more gas is still added. It also depends on the temperature of heat added, if the temperature doesn't change the it's most likely for the pressure to be stable...
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Identify the type of error in the following scenario. SCENARIO: A group is trying to find the volume of a given liquid. To do th
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Error of parallax it usually occurs when the cylinder is above or below the eye level,and thus resulting in differences In reading the millimeters

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