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Amanda [17]
3 years ago
9

What does D represent?

Chemistry
2 answers:
Vitek1552 [10]3 years ago
5 0

Answer:

C. Reactants

I think soo

nadezda [96]3 years ago
4 0

Answer:

B. energy of reactants is the answer

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PLEASE PLEASE HELP ME!!!A 450 ml gas sample has a pressure of 1.25 atm at 65 °C. What is the temperature, in °C, at which the ga
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Answer:

89°C

Explanation:

Combined Gas Law (P₁V₁)/T₁ = (P₂V₂)/T₂

(1.25 atm)(450 mL)/(65°C) = (0.89 atm)(865 mL)/T₂

8.653846154 = 769.85/T₂

T₂ = 769.85/8.653846154

T₂ = 88.96044444 = 89°C

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2 years ago
Describe how the meniscus is used to read volume measurements on a graduated cylinder
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Answer:Tthe liquid in a graduated cylinder curves up at the edge where the liquid meets the wall of the cylinder. This curve in the liquid is called the meniscus and is used to determiine the volume of liquid in a graduated cylinder by observing the measurement tick closest to the bottom of the meniscus.

Explanation:

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