A chemist carefully measures the amount of heat needed to raise the temperature of a 281.0 mg sample of C,H100, from 39.2 °C to 53.9 °C. The experiment shows that 6.44 J of heat are needed. What can the chemist report for the molar heat capacity of C,H100,? Round your answer to 3 significant digits. - 1 -1 ·K J•mol

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A:

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A:

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A: As you have mentioned to answer question 4 only so i answered only question 4.Thank you. 

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A: Consider the given information is as follows; Temperature (T) = 230.0°C = 230.0 + 273.15 = 503.15 K ...

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Q: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is...

A: Molarity of solution is defined as number of moles of solute dissolved per litre of solution.

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A: Melting point of a substance is defined as a temperature at which solid changes into liquid.

Q: 1. Provide a systematic name for each of the following compounds

A: Given; structure of molecules

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A:

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A:

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Q: electronegativity

A:

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Q: An buffer is prepared by combining 1.61 moles of HX solution with 0.28 moles NaX and diluting to a t...

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A: Ionic compounds : Ionic compounds are compounds made up of ions that form charged particles when an ...

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A: Given values- Time = 60 minutes Decomposition = 13%

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A: Concentration of ligand= 28mM 

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A:

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A: Balanced reaction is :      Ca2+ + EDTA4- ===> [Ca-EDTA]2-          

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A: For this type of question, we have to discuss first the dxy orbital along with its sign.

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A: Bio instrument mostly uses sensors to detect and measure recording and transmitting physiological da...

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A: ->Each chiral center has specific configuration R or S.  

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A: #Q.2: Both methanol(CH3OH) and water(H2O) are polar solvents capable of forming hydrogen bonding.  

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A: ->Aromatic compounds are most stable than antiaromatic.  

Q: How would you prepare an aqueous solution of a 15.5L of 1.3 M urea [(NH2)2C=O] from 2.1 M urea?

A:

Q: Discuss balancing chemical equation.

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A: First we will find moles of urea present using mole concept. Then find concentration of urea.

Q: Activity 1 1. A sample of compound A (a clear, colorless gas) is analyzed and found to contain 4.27 ...

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.