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Suppose that you are a colour chemist and had been asked to intensify the colour of a dye without changing the type of compound, and that the dye in question was a polyene. Would you choose to lengthen or to shorten the chain? Would the modification to the length shift the apparent colour of the dye towards the red or the blue?

Physical Chemistry

A hard-working horse can lift a 350 lb weight 100 ft in one minute. Assuming the horse generates energy to accomplish this work by metabolizing glucose: $$\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}(s)+6 \mathrm{O}_{2}(g) \rightarrow 6 \mathrm{CO}_{2}(g)+6 \mathrm{H}_{2} \mathrm{O}(l)$$ Calculate how much glucose a horse must metabolize to sustain this rate of work for one hour at $298 \mathrm{K}$.

A hard-working horse can lift a 350 lb weight 100 ft in one minute. Assuming the horse generates energy to accomplish this work by metabolizing glucose: $$\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}(s)+6 \mathrm{O}_{2}(g) \rightarrow 6 \mathrm{CO}_{2}(g)+6 \mathrm{H}_{2} \mathrm{O}(l)$$ Calculate how much glucose a horse must metabolize to sustain this rate of work for one hour at $298 \mathrm{K}$.

Physical Chemistry

Questions asked

ANSWERED

Isaac Huidobro verified

Numerade educator

Question 5: For the hydrogenic wavefunctions ?n,l,ml below report the magnitude of the angular momentum and its z component as multiples of ? (e.g. 2?3? or -5?). Also indicate whether a transition to the ground state ?1,0,0 by emission of a photon is allowed by checking the box. |J?| Jz allowed? a) ?2,0,0 ____ ____ [] b) ?3,2,-2 ____ ____ [] c) ?2,1,0 ____ ____ []

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ANSWERED

Supratim Pal verified

Numerade educator

A new chemical reaction was studied, and it’s change in enthalpy was measured to be -199.5 kJ/mom and the change in entropy was found to be -476 J/molK. What temperature in Celsius will the reaction occur spontaneously?

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ANSWERED

Jenny Wu verified

Numerade educator

the enthalpy of vaporization of a new species was found ro be 215 kJ/mol at 150 Celsius . Calculate the molar entropy value

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INSTANT ANSWER

Question 17 of 18 Show the stereochemistry of the product.

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ANSWERED

Shalini Tyagi verified

Numerade educator

What is the name of this fatty acid?

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INSTANT ANSWER

4 1 point In the following tetrasaccharide what are the reducing sugars? (a*: \( \beta \)-glucose \( \alpha \)-mannose \( \beta \)-glucose and \( \alpha \)-mannose \( \beta \)-galactose and \( \alpha \)-mannose

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INSTANT ANSWER

Name the following sugar: \( \alpha \)-D-galactopyranose \( (1 \rightarrow 3) \) - \( \beta \)-D-mannopyranose \( \alpha \)-D-galactopyranose ( \( 1 \rightarrow 4 \) )- \( \beta \)-D-mannopyranose \( \beta \)-D-mannopyranose \( (1 \rightarrow 3) \) - \( \alpha \)-D-galactopyranose \( \beta \)-D-mannopyranose \( (1 \rightarrow 4) \) - \( \alpha \)-D-galactopyranose

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ANSWERED

Steven Clarke verified

Numerade educator

5. Determine whether the geometric series 5 + 5/3 + 5/9 + 5/27 + ... converges or diverges. If it converges, state the number that it converges to

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ANSWERED

Lijeesh Krishnan verified

Numerade educator

trans-[IrCl(CO)(PPh3)2].

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ANSWERED

Breanna Ollech verified

Numerade educator

NOTE: Only 2 attempts are allowed for the whole problem. Determine whether each series converges or not. For the series which converges, enter the sum of the series. For the series which diverges enter "DIV" (without quotes). 1. (sum_{n=1}^{infty} frac{11^{n}}{10^{n}} = DIV) 2. (sum_{n=0}^{infty} frac{3^{n}}{8^{2n+1}} = frac{8}{61}) 3. (sum_{n=1}^{infty} frac{8}{n(n+1)} = ) 4. (sum_{n=5}^{infty} frac{10^{n}}{11^{n}} = ) 5. (sum_{n=0}^{infty} frac{6^{n}}{6^{n-4}} = DIV)

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