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aivan3 [116]
3 years ago
11

Help plz it due in 20 mins

Chemistry
2 answers:
pashok25 [27]3 years ago
8 0

The answers are: T, T, F, T, T, T

Iteru [2.4K]3 years ago
7 0

Answer:

True

True

False

True

True

True

Explanation:

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Is the arctic circle generally warmer or colder than antartica
aev [14]
The answer would be, it would be warmer.
8 0
4 years ago
A 19.0 L helium tank is pressurized to 26.0 atm. When connected to this tank, a balloon will inflate because the pressure inside
vesna_86 [32]

Answer:

The new volume of the balloon when the pressure equalised with the pressure of the atmosphere = 494 L.

The balloon expands by am additional 475 L.

Explanation:

Assuming Helium behaves like an ideal gas and temperature is constant.

According to Boyle's law for ideal gases, at constant temperature,

P₁V₁ = P₂V₂

P₁ = 26 atm

V₁ = 19.0 L

P₂ = 1 atm (the balloon is said to expand till the pressure matches the pressure of the atmpsphere; and the pressure of the atmosphere is 1 atm)

V₂ = ?

P₁V₁ = P₂V₂

(26 × 19) = 1 × V₂

V₂ = 494 L (it is assumed the balloon never bursts)

The new volume of the balloon when the pressure equalised with the pressure of the atmosphere = 494 L.

The balloon expands by am additional 475 L.

Hope this Helps!!!

6 0
3 years ago
What does the word subcellular mean
Lerok [7]

Answer:

the word subcellular means contained within a cell. at a level of organization lower than the cellular.

Explanation:

6 0
3 years ago
What is the molarity of a solution in which 25.3 grams of potassium bromide is dissolved in 150. mL of solution?
irga5000 [103]

Answer:

~1.417M

Explanation:

Molarity=(number of moles of solute)/(litres of solution)

In this case, we need to find moles of potassium bromide.

Mass=25.3g

Molar mass= 119g/mol

moles=(mass/molar mass)

        =(25.3)/(119)

        =0.2126moles of potassium bromide

Molarity=(0.2126)/(150/1000)

       ~1.417M

Hope this helps:)

6 0
3 years ago
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Answer:

GOOD MORNING DIDI be happy

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3 years ago
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