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irga5000 [103]
3 years ago
10

PLEASE HELPPPPP!!! Type 1-2 paragraphs describing the changes and potential kinetic and thermal energy of the car to each of the

four positions on the truck be sure to find your system also include the positions of the car where each form of energy is at its maximum and minimum values.

Chemistry
1 answer:
chubhunter [2.5K]3 years ago
7 0

Answer:

you can search in

Explanation:

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A sample of nitrogen is initially at a pressure of 1.7 kPa, a temperature of -10 C and a volume of 7.5 m3. Then the volume is de
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Answer:

\boxed{\text{2.6 kPa}}

Explanation:

To solve this problem, we can use the Combined Gas Laws:

\dfrac{p_{1}V_{1} }{T_{1}} = \dfrac{p_{2}V_{2} }{T_{2}}

Data:

p₁ = 1.7 kPa; V₁ = 7.5 m³;  T₁ =   -10 °C

p₂ = ?;          V₂ = 3.8 m³; T₂ = 200  K

Calculations:

(a) Convert temperature to kelvins

T₁ = (-10   + 273.15) K = 263.15 K

(b) Calculate the pressure

\begin{array}{rcl}\dfrac{1.7 \times 7.5 }{263.15} & = & \dfrac{p_{2} \times 3.8}{200}\\\\0.0485 & = & 0.0190p_{2}\\p_{2} & = & \textbf{2.6 kPa}\\\end{array}\\\text{The new pressure of the gas is \boxed{\textbf{2.6 kPa}}}

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3 years ago
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Which best compares 1 mol of sodium chloride to 1 mol of aluminum chloride?

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Which of the following is closest in meaning to the word “hypothesis”?
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Answer:

suggested explanation

Explanation:

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