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Over [174]
3 years ago
12

When using the benedict's assay, which color would indicate the most reducing sugar present?

Chemistry
1 answer:
hram777 [196]3 years ago
3 0
Brick-red because the most reducing sugar reduces the blue copper salts -that are present in Benedict's solution- to a red compound.
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How many joules of heat are required to raise the temperature of 320.0 grams of water from 24.2°C to 50.8°C? Heat capacity of wa
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Answer:

35750.4 Joules

Explanation:

Using the formula as follows;

Q = m × c × ∆T

Where;

Q = amount of heat (joules)

m = mass of substance (g)

c = specific heat capacity (J/g°C)

∆T = change in temperature (°C)

According to the provided information,

mass (m) = 320.0 grams

c = 4.2 J/g°C

∆T = (50.8°C - 24.2°C) = 26.6°C

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Using; Q = m × c × ∆T

Q = 320 × 4.2 × 26.6

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