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Minchanka [31]
3 years ago
11

Four students are carrying out different laboratory procedures.

Chemistry
1 answer:
PtichkaEL [24]3 years ago
3 0

Answer:

B: Jason's experiment

Explanation:

I did the Unit test review

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A hot air balloon starts with its temperature at 68.7°C and a pressure of 0.987 ATM and volume of 564L at what temperature in de
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Answer:

54.7°C is the new temperature

Explanation:

We combine the Ideal Gases Law equation to solve this.

P . V = n. R. T

As moles the balloon does not change and R is a constant, we can think this relation between the two situations:

P₁ . V₁ / T₁ = P₂ . V₂ / T₂

T° is absolute temperature (T°C + 273)

68.7°C + 273 = 341.7K

(0.987 atm . 564L) / 341.7K = (0.852 atm . 625L) / T₂

1.63 atm.L/K = 532.5 atm.L / T₂

T₂ = 532.5 atm.L / 1.63 K/atm.L → 326.7K

T° in C = T°K - 273 → 326.7K + 273 = 54.7°C

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3 years ago
What are standards or attributes of a design that can be measured.
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Explanation:

attribute of a person that often cannot be measured directly but can be assessed using numbers of indicators or manifest variables

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Why is it important for someone to hold enzymes in their functional shapes
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there are spaces within the enzymes that is active.  That active site allows substrates to join in.  This helps the enzyme carry out the chemical reaction with the substrate.

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19.K, potassium

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it has all properties of metals

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