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Triss [41]
3 years ago
6

A student completed a lab report. Which correctly describes the difference between the “Question” and “Hypothesis” sections of h

er report?
“Question” states what she is asking, and “Hypothesis” states the result of her experiment.
“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format. “Question” describes what she is trying to find out, and "Hypothesis" states the procedures and methods of data collection.
“Question” describes what she is trying to find out, and “Hypothesis” states any additional information or prior knowledge about the question
Chemistry
2 answers:
valkas [14]3 years ago
6 0

Answer:

b

Explanation:

b

ValentinkaMS [17]3 years ago
4 0

The answer is:

“Question” states what she is asking, and “Hypothesis” states what she thinks the answer to that question is in “if . . . then . . . because” format.

I hope you find my answer helpful.

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Examine the equation.
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Explanation:

The reaction expression is given as;

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From the balance reaction expression:

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Strike anywhere matches contain the compound tetraphosphorus trisulfide, which burns to form tetraphosphorus decaoxide and sulfu
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Answer:

194.6 mL of SO₂

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<u>To solve this problem we need to use PV=nRT</u>, so first let's convert the given units:

  • 23.8 °C → 23.8 + 273.15 = 296.95 K
  • 747 torr → 747/760 = 0.983 atm

We need to calculate V, so in order to do that we calculate n, using the mass of the reactant (P₄S₃):

0.576 g P₄S₃ * \frac{1molP_{4}S_{3}}{220gP_{4}S_{3}} *\frac{3molSO_{2}}{1molP_{4}S_{3}} = 7.85 * 10⁻³ mol SO₂ = n

  • Now we calculate V:

PV=nRT

0.983 atm * V =  7.85 * 10⁻³ mol * 0.082 atm·L·mol⁻¹·K⁻¹ * 296.95 K

V = 0.1946 L

  • Finally we convert L into mL:

0.1946 * 1000 = 194.6 mL

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helloo!!!!!!! I am 12 :)

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