QUESTION 9 An energy bar contains approximately 16.7 grams of protein. Given that the energy content per gram of protein is approximately 4.0 Calories, that is the total energy content of the energy bar in joules? (1 calorie = 4.184 J) QUESTION 10 A 16.2 gram bar of iron initially at 72.5 "c, was added to 87.9 grams of water initially at 17.9 "C. Given that the specific heat of iron is 0.444 J/g'C and that of water is 4.184 J/g*C, what will be the final temperature of either of the two substances?

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A: Since you have posted questions with multiple subparts, we are entitled to answer the first 3 only. ...

Q: percent of a 762.5 mL solution that is prepared by dissolving 289.15 g of Ca(N3)2 in water?

A: %m/v = mass of solute ×100/Volume of solution  Using above formula,  %m/v = 289.15 × 100/762.5  = 37...

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A: Given, 50.0mL of 0.100M HCl solution and 50.00mL of 0.100M AgNO3 solution, both initially at 22.54 d...

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A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only. ...

Q: What is the molar absorptivity of copper at λmax of cobalt?

A: The data given is,

Q: Draw two other resonance forms for the ion shown

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Q: A 220 ml solution of CMC agar contains 84.99 µg NaNO3 and 174.18 µg K2HPO4, respectively. Determine ...

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Q: How to calculate the mass of 2.7 x 1024 molecules of sugar C12H22O11?

A: Molar mass of C12H22O11 = ( 12 ×12) + (22×1) + (11×16)                                           = 3...

Q: What is the molar absorptivity of cobalt at λmax of copper?

A: The data given is,

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Q: on order in

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A: Given : We have to calculate the activation energy .

Q: Calculate the mass and volume (mL) of 5.0 mmol triethylsilane Mw: 116.28 g/mol Density: 0.728 g/mL

A: Given :-  moles of triethylsilane = 5.0 mmol  Molecular weight = 116.28 g/mol Density= 0.728 g/mL   ...

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A: Expanded structure of CH2=CH(CH2)4CH3 = ?  IUPAC name of this molecule = ? 

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A: At the equilibrium point, the rate of the forward abd backward reaction will be equal. 

Q: standard heat of reaction as a function of temperature

A:                      

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Q: ne osmotic pressure as

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Q: Show a plan for the synthesis of 3-Phenylpentan-3-ol.

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A: If the compound itself try to reduce then it will oxidise other . If the compound oxidise other subs...

Q: What is the molar absorptivity of copper at λmax of copper?

A: The data given is,  

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A: The correct options are:  

Q: QUESTION 2 Based on the given data, what is the Amax of copper? 0.1 M Copper 300 0.157 325 0.233 350...

A: The wavelength at which a sample has the highest absorption, is called absorption maximum.

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A: Nucleophiles are electron rich compounds.

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Q: What is the concentration of cobalt in mM?

A: The data given is,

Q: CH3 ÇH3 H3C HBr CH3 CH,COOH ОН

A: The mechanistic pathway of the given reaction involves origination of OH group followed by nucleophi...

Q: What is the concentration of cobalt in mM?

A: The data given is,

Q: Determine which of the two is more stable and explain

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Q: The van der Waals equation of state was designed (by Dutch physicist Johannes van der Waals) to pred...

A: According to the van der Waals equation,  where P = pressure V = volume n = moles R = gas constant ...

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A: The solution is as follows:  

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A: General chemistry of carbohydrates