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3 years ago

Draw fischer projection for d-2-ketotetrose

1 answer:

3 0

Fischer projection for D-2-ketotetrose is in Word document below.
D-2-ketotetrose is monosaccharide, having both a ketone (a ketose) and four carbons (a tetrose). There are two ketotetroses (the enantiomers) L and D-erythrulose, this is D-erytrhrulose (1,3,4-trihydroxy-2-butanone).
The Fischer projection is two-dimensional representation of a three dimensional organic molecule.

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What is the density of a 32g toy car that has a volume of 8cm3? A. 256alcm3 An3

Greeley [361]

Answer:

density=mass/volume

density=32/8

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3 years ago

A gas is allowed to expand from a volume of 400 ml to 2000 ml at a constant temperature. If the the initial pressure is 3 atm, c

Lostsunrise [7]

Answer:

$P_{2}) = 0.6 \; atm$

Explanation:

Given the following data;

Initial volume = 400 mL

Final volume = 2000 mL

Initial pressure = 3 atm

To find the final pressure P2, we would use Boyles' law.

Boyles states that when the temperature of an ideal gas is kept constant, the pressure of the gas is inversely proportional to the volume occupied by the gas.

Mathematically, Boyles law is given by;

$PV = K$

$P_{1}V_{1} = P_{2}V_{2}$

Substituting into the equation, we have;

$3 * 400 = P_{2}* 2000$

$1200 = 2000P_{2}$

$P_{2}) = \frac {1200}{2000}$

$P_{2}) = 0.6 \; atm$

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3 years ago

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Agata [3.3K]

Answer:

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Explanation:

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3 years ago

Read 2 more answers

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goldfiish [28.3K]

True would seem to be sufficient

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3 years ago

A 0.500-l sample of gas is at a pressure of 625 mm hg. what must the pressure be (in atm), at constant temperature, if the volum

Gemiola [76]

Since temperature is held constant; Boyle's law can be expressed as: P 1 * V 1 = P 2 * V 2
Where P1 = 625 and V1 = 0.5 L
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So P2 = (P1 * V1)/P2
P2 = (625 * 0.5)/0.925
P2 = 337.83 my hg

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3 years ago