What is the he entropy change of the universe (J/mol-K) when the entropy change of the system is 89.8 J/mol-K and the surroundings absorbs 66.31 kJ of heat at 11.08 °C.

Q: Which species is the conjugate acid of ammonia, NH3? Select one: O a. HẠN O b. H3N* O c. H2N O d. HẠ...

A: Base : The substance which gain the proton is called as base . The substance or the molecule formed ...

Q: Show the calculation required to determine the pH of a solution that has H3O+ concentration of 0.015...

A: pH of solution is defined as negative logarithm of hydrogen ions. 

Q: 5. Which of the compounds shown below fits the IR spectrum provided. Discuss poth why the correct st...

A:

Q: The following results were found after completion of Part C in the Experimental procedure: 0.056 M ...

A: Rate =k[I-][H2O2]2 We have to calculate the value of k for run 2 of the experiment.

Q: Using the Supplemental Data, calculate the standard enthalpy change (in kJ/mol) for each of the foll...

A:

Q: Determine the atomic and mass ratio of NaCl and calculate how many grams of Na is needed to make a 1...

A:

Q: Calculate the change in pH when 4.00 mL of 0.100 M HC1(aq) is added to 100.0 mL of a buffer solution...

A:

Q: 1.Which of the following is an electrolytic cell? a.Pb(s)|Pb2+(aq)||Zn2+(aq)|Zn(s) b.Pt(s)|Fe2+(aq)...

A: Electrolytic cell are those reaction in which electrical energy is converted into chemical energy. T...

Q: For the following compounds identify and draw freehand structural isomers and/ or stereoisomers wher...

A: Isomers are the compounds having same molecular formula but different structural formula or differen...

Q: 1) Give the IUPAC names for the following ungsaturated hydrocarbons: CH, b) CH, CH3 CH3 c) CH2-CH d)...

A:

Q: Identify whether a primary or secondary alcohol was oxidized to make each of the following compounds...

A:

Q: 3. E ) Listen What type of system is able to exchange both energy and matter with its surroundings? ...

A: An Open system is a system in which exchange of both matter and energy with the surrounding take pla...

Q: 2,2-dimethylbutane

A:

Q: 20.0 g of carbon dioxide gas is stored in a cylinder (a malfunctioned fire extinguisher) with a volu...

A:

Q: The following reaction is used for both HNO3 and KNO2. Based on what you know about acid dissociatio...

A: The following reaction is used for both HNO3 and HNO2:                        NO3-+3H++2e- ↔ HNO2+H2...

Q: Based from the nitrogen test experiment, what is the test for nitrogen?

A: Analytical chemistry is branch of chemistry in which we deal with detection of element in organic co...

Q: JOluLIOnJ a) Ammonium sulfate and barium nitrate b) Lead(II) nitrate and sodium chloride c) Sodium p...

A:

Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.174 M solution of nitr...

A:

Q: Design the synthesis of heptane-2,6-dione starting with any compounds with 4 or fewer carbons.

A:

Q: Question 7 What is the molarity of a solution made by dissolving 8.56 g of potassium acetate (KC2H3O...

A: Given data : Mass of KC2H3O2 = 8.56 g Volume of water = 750.0 mL = 0.750 L

Q: Rubbing alcohol is commonly used as an antiseptic for small cuts. It is sold as a 70% solution of is...

A: Solution is made up of two components. Solute and solvent. Component which is present in major amoun...

Q: Identify the limiting reagent when 6.00 g HCI reacts with 5.00g Mg.

A: Limiting reagent: the reactant which is consumed first in the chemical reaction is called as limitin...

Q: Model H2C=C=CH2. Visualize/sketch molecular orbitals, HOMO, HOMO-1 and HOMO-2 and dentify if it is o...

A:

Q: 17 Give the missing reactant(s), product(s) or reagent(s) ONLY (no mechanisms). (Non-anonymous quest...

A:  T his reaction have two parts . First is the reduction of H2/pd c (1 eq) The Lindlar catalyst allow...

Q: Draw out the peptide IYV and clearly label/identify all the Phi, Psi, and peptide bonds present in t...

A:

Q: Which of the following options has the correct sequence of elements in increasing electron affinity ...

A: The electron affinity is defined as the ease of accepting the electron. The energy will be liberated...

Q: PROBLEM 1: A mixture of argon and xenon was prepared at a pressure of 1 bar and at 25°C. The amount ...

A: Answer ) the argon and xenon both gas are inert in nature so we can assume that the mixture of these...

Q: How many grams of Ag2CO3 will precipitate when excess Na2CO3 solution is added to 41.0 mL of 0.744 M...

A:

Q: Practice Problems: Pressure Complete the following tables. Use the chart in your notes to help you

A: 1 atm = 101.3 kPa 1 atm = 760 mm Hg 1 atm = 29.9 in Hg 1 atm = 14.69 PSI  

Q: (V) Consider three molecules, H7ºBr and deuterated molecule D79Br and H$1Br. The lowest energy trans...

A: The lowest energy transition occur for rotational levels.

Q: NH2 OH NH2 он

A: Enantiomers contain chiral centers that are non-superimposable and mirror images. Diastereomers cont...

Q: 2. Model C2H6, C2H4, and C2H2. Visualize/sketch molecular orbital(s) and identify if it is o- or t- ...

A:

Q: An excess of 0.34 mg Pb is obtained from an assay test determined in an analysis. What is the percen...

A:

Q: Compare and contrast the physical and chemical properties of the following pairs of isomers. Propan...

A: Compounds that contain exactly the same number of atoms but differ in their atomic arrangement is kn...

Q: What is the effect of total concentration of the buffer components on its buffering capacity? What i...

A:   What is the effect of total concentration of the buffer components on its buffering capacity? An...

Q: What kind or type of isomers are the compounds given below? Arrange them in the order of increasing ...

A:

Q: Note: The reaction below is first order with respect to NO and second order with respe Cl, Determine...

A:

Q: 6. The ir and MS for a compound are shown below. Identify the compound. Clearly show your reasoning....

A:

Q: 16. te law for the reaction is rate = k[NO,][CO] ? (a) Increasing the pressure of NO2 from 0.1 atm t...

A:

Q: Equation Balanced Equation Number Ba(OH), (aq) + H,(g) NH,CI(s) 41, (s) + H, S(g) + 4 H, O(1) 1 Ba(s...

A: Answer:

Q: calculate the reaction rate of catalase at room temperature using the following data      Depth of...

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: Draw all resonance for the following: non-bonding electron@and charges are not shown all the times

A:

Q: How many different isomers of [Cu(dmp)(POP)][BF4] are there?

A: We have to find the no of isomers of [Cu(dmp)(POP)][BF4] .

Q: How many atoms are in 45.6 grams of Li, 0.230 grams of Ti and 11.5 grams of Au?

A: Given :-  Mass of Li = 45.6 g  Mass of Ti = 0.230 g  Mass of Au = 11.5 g  To be calculated :-  Numbe...

Q: unknown base with hydrochloric A mixture of an acid concentration was 0.01 normal, and the volume of...

A: A titration is the process of determining the quantity of a substance A by adding measured increment...

Q: po arrangement of electrons.. Using terms such as coulombic and exchange energies, determine the dif...

A: Different possible arrangements are shown :

Q: Background Size A A A NaNO, + PbO > Pb(NO3)2 Na,0 +.

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: 3. After addition of benzophenone, 6 M HCI is added to the Grignard reaction mixture. Why? Show the ...

A: Answer:

Q: A sample of 0.3207 g of an ionic compound containing the bromide ion (Br) is dissolved in water and ...

A: Number of moles is calculated by dividing given mass with molecular mass. 

Q: Ammonium perchlorate (NH¸CIO.) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts wi...

A: Ammonium perchlorate reacts to produce the nitrogen gas, chlorine gas, oxygen gas and water.  The ba...