0.000003721
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Answer:
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Explanation:
What is the heat of reaction for the process NH4CI (s) ----> NH3 (g)+HCI (g)
The reaction taking place is a gas-phase acid-base reaction (both HCl and NH3 are volatile), that produces particulate NH4Cl as the sole product: HCl(g) + NH3(g) → NH4Cl(s). 1.
To solve this problem, use Boyle's Law, which states that the relationship between pressure and volume are inversely proportional.
Boyle's Law: P1 * V1 = P2 * V2
We are given the starting volume, and both pressures, so we can plug those numbers in.
(.428) * (2.5) = (.724) * (V2)
To solve for V2 first simplify:
1.07 = (.724) * V2
Then divide both sides by .724 to leave V2 behind
V2 = 1.478 (Rounded to 3 decimal places)
So the final volume is 1.478L
To find the experimental value I believe we add up all the temperatures found by each trial and divide by the number of trials
When added up and divided up this is 50.7 C
Then we continue with accepted value minus experimental value over accepted
53.0 - 50.7 / 53.0 x 100
4.3% percent error
Answer:
At the Earth's surface, wind blows horizontally from high pressure to low pressure areas. The speed is determined by the rate of air pressure change, or gradient, between the two pressure areas. The greater the pressure difference, the faster the winds.
- sciencing
The Four Forces That Influence Wind Speed & Wind Direction
Explanation:
