Part A Which sample is most likely to undergo the smallest change in temperature upon the absorption of 100 kJ of heat? O 67 g lead O 7g lead O 67 g water O 7g water

Q: Write a chemical equation for the combustion of 1 mol of pentane gas, C5H12(g), to form Carbon dioxi...

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product...

Q: In the titration of a solution of acetic acid, CH3COOH(aq), with a solution of KOH(aq), the stoichio...

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Q: The XeO3 molecule displays approximately which bond angles (in degrees)about the central Xe? VSEPR ...

A: What is shape and bond angle in XeO3 ?

Q: pOH

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Q: r entropy

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Q: Match the elements                                                                                 ...

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Q: Select the single best answer. When 6 g of granulated Zn is added to a solution of 2 M HCI in a beak...

A: Given : 6 g of granulated Zn is added to a solution of 2M HCl in a beaker at room temperature, hydro...

Q: neutrons

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Q: Chemistry Arrange the following reactions in order of increasing DSrxn values--without any data ...

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Q: In the synthesis of tert-butyl chloride, what are the side products produced? Kindly show the mechan...

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Q: E

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Q: The freezing point of a 4% aqueous solution of pilocarpine nitrate is -0.56 °C. a. Is a 4% solution ...

A: On the basis of concentration , a solution is called i) hypertonic, if it has higher concentration  ...

Q: 1) LIAIH4 2) H30+

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Q: Why is it better to use 10.0mL or greater of a liquid in measuring its density?

A: We use 10.0ml or greater of a liquid as  graduations on the measuring cylinder make it easier to  fi...

Q: Draw the potential energy profile of 2-methyl-2,3-pentadiol as a function of the dihedral angle. (Co...

A: A question based on energy that is to be accomplished. 

Q: What is the specific heat of a substance in kJ/kg K that absorbs 2500 joules of heat when a sample o...

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Q: The maximum recommended single does for acetaminophen is 15.0 mg per kilogram of body weight for adu...

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Q: Write the mechanism of ozonolysis and photo-oxidation.

A: We have to write the mechanism of Ozonolysis and Photo- oxidation reaction.

Q: A reaction profile (not to scale!) for the reaction 02 + NO2 →03 + NO is shown below: E (kJ) 211 O3 ...

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Q: explain why a titration flask does NOT need to be dry when titrating saturated solutions

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Q: НО SH CH2OH NC

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Q: A solution is 0.01F with respect to Mg++ ions. What concentration of hydroxide ions in  formula weig...

A: A solution is 0.01 F with respect to Mg++ ions. Ksp of Mg(OH)2 is 1.2 * 10-11 . Here, we have to cal...

Q: Balance each redox reaction in acidic solution. Show your solutions 7. As → H2ASO4 + AsH3 6. TeOz²- ...

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Q: Write the equation for the reaction of magnesium ions with sodium stearate. Explain this reaction us...

A: Sodium stearate formula is C17H35COONa. Magnesium stearate formula is (C17H35COO)2Mg.  

Q: buffer

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Q: Calculate the values expected for the total alkalinity and for the phenol- phthalein alkalinity of a...

A: The total alkalinity of water is defined as the measure of the amount of OH-, HCO3-, and CO32- prese...

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Q: 2. A solution that may contain Cu*, Bi", Sn*, or Sb²* is treated with thioacetamide in an acidic med...

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Q: Classify each of the following reactions (acid-base, combination, decomposition, combustion or singl...

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Q: What is the difference between 1X and 5X buffer solution that have the same recipe?

A: The strength of a stock solution is expressed with the symbol X. This notation is more beneficial to...

Q: There is a solution with 5 grams of salt in 100 ml of water if the density of the salt is 2.16 g/ml....

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Q: Directions: Predict the rate of the reaction in the following, Assume that the substances below are ...

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Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 20.0 °C is 90.2 kJ. C...

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Q: For the electrochemical cell 2 Al(s) + 3 Mn²⁺(aq) ⟶ 2 Al³⁺(aq) + 3 Mn(s) (E° = 0.48 V, [Al³⁺] = 1.0 ...

A: Given,  2Al(s) + 3Mn²⁺(aq) ⟶ 2 Al³⁺(aq) + 3 Mn(s) (E° = 0.48 V, [Al³⁺] = 1.0 M),                    ...

Q: 2. Which of the following pairs contai: equal number of atoms? (a) 22.4 L (STP) of nitrous oxide ane...

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Q: Find the saponification # of cod liver oil if a 1.1090 g is saponified with 25 mL of 0.5N alcoholic ...

A: Introduction :  Saponification can be defined as a process that involves conversion of fat or oil in...

Q: Name three (3) other types of samples that can be analyzed in a typical acidimetric process.

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Q: 4. What is the pH of blood with [H+] = 4.8 × 10–8 M? Answer: Computation:   5. What is the [H+] ...

A: 4. What is the pH of blood with [H+] = 4.8 × 10–8 M?  

Q: Given the cell notation: Fe/Fe2*(0.100M)//Cd²*(0.001)/Cd а. Write the cell reaction b. Calculate Ece...

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Q: Which of the following compounds has more than one type of carbon-carbon bond?

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Q: Chemistry 1 mole of ideal gas at 26.85 ⁰C that occupies 1 L of volume. Now this gas isothermally exp...

A: Here we have to determine entropy change of system , entropy change of surrounding and entropy chang...

Q: Mixtures can be quantified using UV-Vis spectroscopy. True False

A: THIS CAN BE DONE BY SELECTIVE ELIMANITION

Q: ОН

A: These reactions are generally proceeds in a heating or light conditions.  Here we are given with hea...

Q: Which of the following compounds is soluble in water? O K,CO3 O Al2(CO3)3 O CacO3 CaCO3 O Bačo3

A: Given; The compounds are: K2CO3, Al2(CO3)3, CaCO3, BaCO3

Q: What is the name of the final products that are shown here?

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Q: A sample of liquid acetone weighing 0.700 g was burned in a bomb calorimeter for which the heat capa...

A: Enthalpy of solution - The   amount of heat evolved or absorbed when 1 mole of the substance  is dis...

Q: -SO,Na H,C + HCl → ? + NANO2 → ? NaOH → ? + H,C

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Q: 3. The nucleotide solution absorbs UV light and absorbance at 260 nm is A(260)=0.64 when measured in...

A: Please find your solution below : According to Lambert beers law, the absorbance of light is directl...

Q: acylation. why does the synthesized compound exhibited fluorescence activity. and which layer in the...

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Q: Activity I. True or False Directions: Read and analyze the statements below, Write True if the state...

A: 1. Sucrose is a disaccharide.  True  2. Starh is composed of many glucose units.     True  3. Fructo...