Determine ΔT (T1 – T2), where T1 is the melting point of pure lauric acid and T2 is the melting point of the unknown & lauric acid mixture.

Q: Why is the enthalpy of neutralization for all strong acid-strong base reactions the same within…

A: The standard enthalpy change of neutralisation is the enthalpy change when solutions of an acid and…

Q: The Caloric Value of carbohydrates in 1g is: 4 5 1 9

A:

Q: What is a heat of reaction? A standard heat of reaction?

A: Heat of a reaction and standard heat of reaction has to be defined.

Q: The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW:…

A: The heat of dissolution for KClO3 is = 3803.8 J

Q: The Kw of water (10-14) is a constant. What does this imply about the relationship between [H+] and…

A: Autoionization of Water - It is the dissociation of a water molecule to form H+ and OH- ions.

Q: Chemical reaction: CH3OH(aq) + C3H602(aq) → C4H8O2(aq) + H2O(1) methanol + propanoic acid → methyl…

A: The answer to the following question is-

Q: OH + LDA THF solvent (S) Ph conc. H,SO4, heat OH conc. H,SO4, heat HO.

A:

Q: D 1. a. s b. C. रे X Но OH N Cro3 Hs04 SOCI 1. MCPBA 2. CH3 CH₂ Mg Br THF 3. Hcl Workup PCC CH₂2

A: CrO3 , H2SO4 is used as an oxidising reagent. It oxidized primary alcohol to carboxylic acid.  In…

Q: C6H4(OH)2(aq)   +   H2O2(aq)   ®   C6H4O2(aq)   +   2H2O(l) hydroquinone…

A: Given:  C6H4(OH)2(aq)   +   H2O2(aq)   →   C6H4O2(aq)   +   2H2O(l) To find: ∆HRxN for this…

Q: Consider the reaction A→ B with AH° = -97.7 kJ/molpn- What should be the AH° in kJ/molm for the…

A: Interpretation - Consider the reaction A→B with ∆Ho  = -97.7KJ/molerxn then what should be the  ∆Ho…

Q: 2QJ3 (g) + 3Q2X (g) – 4Q2 (g) + 3J2X (I) 4QJ3 (g) + 3X2 (g) – 2Q2 (g) + 6J2X (1) Calculate the value…

A: We are given a pair of reactions, with respective enthalpy. we need to calculate enthalpy of…

Q: Nal EtO Na+ acetone ELOH, heat Br

A:

Q: when added an aqueous hydrochloric.2 acid solution to an aqueous sodium hydroxide solution , the…

A:

Q: NH2 N' NH2 H3C CH3 HOCI NEl3 pyridine 2. H3O* (workup) 5. 5.

A: We have to give the products of the given reaction sequence.

Q: 10. Using the values below, calculate AG°rxn for the reaction below at 25 °C. Hg²*(aq) + 2C1 (aq) →…

A: The given reaction at 25oC is, The delta Go of the reaction can be calculated using the below…

Q: 1. 애 OH OH 1. OEt p TSOH (cat) 2. LIAIHY, THE then H30" (5) work-up

A: In the given reactant two functional groups are present. In the first step of the reaction, we…

Q: OH xohn POCI3, pyridine HBr, heat OH OH H₂SO4, heat 1) NaH 2) Ph Br

A:

Q: Phenolphthalein is added to a certain mixture. When the mixture was heated, the color turned pink.…

A: Phenolphthalein is a very common indicator which is used for the detection of presence of acids or…

Q: Use the thermodynamic quantities given below to calculate the theoretical ΔH for this reaction:…

A: The enthalpy of reaction is obtained as follows, The sum of enthalpy of formation of products and…

Q: When 375.0g of iron block is 87C was added to water at 15C, the system reached 33C. What mass of…

A: The energy of a system always remains the same. It is only transferred from one substance to…

Q: Provide an explanation for why the mixing acetone and cyclohexane is endothermic

A: (Firstly it should be exothermic not endothermic) This is so because chloroform forms hydrogen bond…

Q: a coffee cup calorimetry, a 20.0 g of CaCl₂ is dissolved in 300 mL of water in a coffee cup…

A:

Q: Use constant-pressure calorimetry to determine enthalpy change. The salt cobalt(II) chloride is…

A:

Q: (d) ( 1. i-Pr NH2 PhH, heat Me 2. NaBH,CN, ACOH

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: A 5.00 g sample of an unknown salt is dissolved in 50.0 mL of water.  During dissolution, the…

A: The question is based on the concept of chemical thermodynamics. we have to to identify heat change…

Q: Balance & calculate ΔH°(tot) from ΔHf°’s in T6.5 and listed below: __NH3(g) + __O2(g) → __NO(g) +…

A: To balance : NH3(g) + O2 (g) → __NO(g) + __H2O(g)

Q: MgBr 1) M9CI 人, 1) H `MgBr 1) 2) Acid workup TH 2) H* 2) Acid workup MgBr 1) CHMgBr 1) 2) H" 2) Acid…

A:

Q: h) он о а) Ag,0, NaOH, Но Но b) Н,о workup OH

A: The reaction of Ag2O, NaOH and water is done to oxidize the aldehyde group and form the acid in a…

Q: Develop a general equation for the standard heat of reaction as a function of temperature for one of…

A: Heat of reaction is defined as the amount of heat absorbed or released during a chemical reaction.

Q: 1. 1 N NAOH .N. 2. aq. HCl (workup) H3C `CO2Et

A:

Q: how much would the temperature change if 10.0 grams is added to 1000 mL of water?

A:

Q: If 31.5 kJ of heat were generated (i.e. removed) from neutralizing nitric acid with NaOH, how many…

A:

Q: Vinegar consists of about 5% acetic acid and has a pH of 3.4. The standard enthalpy change (at 25.0…

A: Since the reaction has -ve standard enthalpy change means the reaction is exothermic. And we know…

Q: SO₂Cl2 (g) + 2H₂O(l)→ 2HCI(g) + H₂SO4(1) AHf (kJ/mol): SO₂Cl₂(g) -364 H₂O(l) -286 HCI(g) 92 H₂SO4(1)…

A: Here we are required to find the Enthalpy change for the reaction.

Q: acetone 1. MgBr 2. H3O* workup NaBH4 H. МеОн Br Mg', Et,0 MeOH

A: We have given four different organic reaction  We have to find major product with stereochemistry.…

Q: For the reaction below, the constant pressure heat of reaction is qp = −2451 kJ mol−1 at 25 °C. What…

A: Given Data: Reaction:  12 CO(g) + 25 H2(g) ⟶ C12H26(l) + 12 H2O(l) The constant pressure heat of…

Q: C6H4(OH)2(aq) + H2O2(aq) → C6H4O2(aq) + 2H2O(1) hydroquinone quinone Calculate AHRXN for this…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: neel. CHYPLS NaOH szer heat H30+ 2) Hz O HO NaOH heat DLOA CH H30* NaOH Br2 Br Br Br

A:

Q: True or false:  A reaction that has a Gibbs free energy of -3 kcal/mol is an endergonic…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Develop a general equation for the standard heat of reaction as a function of temperature for one of…

A: To develop a general equation for the standard heat of reaction as a function of temperature for one…

Q: A student prepared a 3.00 mL of 3.00 M HNO3 and 3.00 mL of 3.00 M KOH. Afterwards, he teo solution…

A: First, calculate the mass of HNO3 and KOH as follows: mHNO3 = Molarity × Volume × Molar mass= 3.00M…

Q: H 1. HO он (1 еquiv.) cat. TSOH H PhH (benzene, solvent) 2. LİAIH,/THF 3. NaOH/H,O (workup)

A: To obtain the required product we have to follow the following steps. In step -1 protection of the…

Q: Calculation of AHf of Magnesium Oxide Mg + 2 HCI → MgCl2 * H2 AHi = kJ/mole MgCl2 + H20 Mgo + 2 HCI…

A:

Q: NHẠNO3 MgSO4 [1] Mass of salt (g) 1.968 1.981 [2] Volume of DI water (mL) 50.0 50.0 Mass of DI water…

A: When we dissolve a salt in solvent( distilled water), heat is either released or absorbed. The…

Q: Predict the heat of reaction for the incomplete combustion of acetic acid; 11 02(9) 3 CH3CO0H(aq) +…

A: The reactions given are,

Q: You add hydrochloric acid slowly to the water and notices that the flask feels hot. System:…

A: The part of universe choosen for thermodynamics consideration is called as system and all other part…

Q: 2. The AH for CaHa + H2O - CaHsOH is -44 kJ. What is the AH for this reaction? 2 CaHsOH - 2 CHa + 2…

A: Given,

Q: What is the value of Kw for a sample of pure water at room temperature?

A: Water contains H+ and OH- ions. It is known that the pure water has neutral pH.  In other words, the…

Q: Develop a general equation for the standard heat of reaction as a function of temperature for one of…

A:

Q: If Great Lakes Christmas Ale is about 7.5 ethanol ABV (alcohol by volume) it actually about 6% ABW…

A: Given : % w/v of alcohol = 6 % = 6 g/100 mL Volume of alcohol = 500 mL And caloric content of…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.