Answer:

Explanation:
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In this case, since Helium is undergoing a volume-pressure change, according the Boyle's law, we infer the following equation is used:

Thus, since we are not given the volume at 0.25 atm, we can solve for V2 to do so:

Thus, we plug in to obtain:

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Answer:
When a gas occupies a smaller volume, it exerts a higher pressure; when it occupies a larger volume, it exerts a lower pressure (assuming the amount of gas and the temperature do not change). Since P and V are inversely proportional, a graph of 1/P vs. V is linear.
Explanation:
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Answer:
30.8994048km
Explanation:
19.2 mi * 1.609344 km/1mi = 30.8994048 km
A common question isHow many mile in 19.2 kilometer?And the answer is 11.930326891 mi in 19.2 km. Likewise the question how many kilometer in 19.2 mile has the answer of 30.8994048 km in 19.2 mi.
Might be false
Hope so
So sorry if it is wrong
The answer is true, catalysts increase rates by lowering the activation energy of a reaction. Catalysts lower the reaction energy and so the reaction occurs faster. Enzymes perform the role of biological catalysts. Most metabolic pathways of the body are controlled by enzymes. Enzymes by classification are proteins. <span />