Which of the following scenes depict the process of an increase in the enthalpy?     Stirring a coffee mixture. Melting of candle wax. Formation of snowdrop. Combination of acid and base.

Q: 1. The gas pressure in an aerosol can is 1.8 atm at 25°C. What pressure would develop in the can if ...

A: Gay-Lussac’s Law: According to Gay-Lussac’s law, if we increase the temperature of a definite amount...

Q: 3. Heating zinc sulfide in the presence of oxygen yields the following: ZnS + 0, àZno + SO, (a)If 1....

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Q: Characteristics of a Buffered Solution Lab Write a balanced equation for the dissociation equilibri...

A: The balanced chemical equation means the equation for chemical reaction in which the number of all t...

Q: Br Br2 Br hv HBr NBS Br HBr Br hv HOOH

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Q: Balance the following equation: Al+O2=Al2O3 and determine how many moles of aluminum oxide can be pr...

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Q: МАТСHING Match each term in Column A with its description in Column B. Write the correct letter in t...

A: Decomposition reaction is the reaction which breaks down the simpler substances into two or more com...

Q: A larger buffer capacity means that:       more buffer is needed to neutralize a strong base     t...

A: A larger buffer capacity means that: Choose the correct option---  

Q: 2. The equilibrium constant K, for the formation of nitrosyl chloride from nitric oxide and molecula...

A: For the reaction., 2NO + Cl2  ----> 2NOCl Kc for the reaction = 1 × 105  Mole of NO = 6.7 × 10-2 ...

Q: 4. For the compound below, indicate the most probable multiplicity profile (ie, singlet, doublet, et...

A: We have to predict the multiplicity of the protons.  

Q: 11. Which of the following statements are true regarding an acid-base indicator? (Select all that a...

A: Acid base indicator is the one which shows the end point or equivalence point of acid base titration...

Q: A mixtu. .. gaseous reactants is put into a cylinder, where a chemical reaction turns them into gase...

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Q: Consider the following rate data for the reaction below 2A + 3B - Products Experiment [A] [B] Initia...

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Q: A cylindrical metal canister is filled with pressurized diatomic oxygen gas, O2. e circular base of ...

A: Radius of circular base of cylinder = r = 0.06m Height of cylinder = h = 0.3m Pressure of gas = 5.78...

Q: EtO OtBu ? NaH Pdz(dba), "OH OtBu NABH, Mеон Br OIBU Pr,SICI ? 1.) LAH 2.) H,O OtBu ? OSiPra OSiPr3 ...

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Q: meo EtO.

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Q: O O O C What is the product of the following reaction: NABH4 H20 OH OH ÓH A B C Question 7 of 20

A: Sodium borohydride, NaBH4 is a reducing agent and it can selectively reduce a carbonyl functional in...

Q: 2. Write balanced equations for each of the following by inserting the correct coefficient in the bl...

A: The balanced equation and types of reaction is given below

Q: Consider a reaction that occurs by the following mechanism: A + BC → AC + B AC + D → A + CD In the p...

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Q: b) What is the heat of reaction for the overall equation? Show your work. c) Which step is the rate ...

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Q: Central Chirality Cahn-Ingold-Prelog Rules: Assignment of Absolute Configuration penicillin 1. Locat...

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Q: Why do you think there are tabs in the non-metal atoms

A: Tabs are obtained when there is either gain or loss of electrons to form certain anion and cation no...

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.91 kg sample ...

A: Mass of the substance = 0.91 kg 1 kg = 1000 g 

Q: Pls help ASAP. Pls show all work.

A: The Hess's law states that the enthalpy change in a chemical process is equal to the sum of the enth...

Q: e equilibrium concentration

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Q: Write out the molecular, ionic, and net ionic equations for the neutralization reaction between sulf...

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Q: Balance

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

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H-C=...

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Q: This is the chemical formula for methyl tert-butyl ether (the clean-fuel gasoline additive MTBE): CH...

A: Answer: This question is based on the stoichiometric calculation where in a molecule, ratio of each ...

Q: 3. A solution is prepared by dissolving 66.0g of acetone, C3HeO, in 146.0g of water. The density of ...

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Q: Applications of Principles (continued) 5. Balance the following reactions and identify the species w...

A: Identify the oxidised and reduced product of the given reactions---   

Q: 2. What would be the mole fraction of BeCl2 in the solution in problem #1?

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Q: 10a.Bulletproof vests are made of the polymer called Kevlar. It is produced by the polymerization of...

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Q: Enter your answer in the provided box. A volume of 36.2 mL of a 0.568 M Ca(NO3)2 solution is mixed w...

A: The concentration of the solution formed by mixing of two or more solutions containing the same solu...

Q: Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with wat...

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Q: Describe how to prepare 15 ml of a 0.25 M CaCl2 solution using deionized water and CaCl2 salt. The m...

A: Given :- Volume of solution = 15 mL = 15×10-3 L Molarity of CaCl2 = 0.25 M Molar mass of CaCl2 = 110...

Q: heat ...

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Q: Practice Problem 16.3 What product is formed when each carbonyl compound is treated with K,Cr,0,? In...

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Q: 3.50 mol NOCl was placed in a 3.50 L reaction vessel at 400ºC.  After equilibrium was established, i...

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Q: The water quality from a well test is given below. If the target hardness is 95 mg/L as CACO3, deter...

A: The water quality from a well test is given below. If the target hardness is 95 mg/L as CaCO3 determ...

Q: What is the percent composition of iron(II) sulfate hexahydrate? Select one: a. 4.2% Fe; 4.2% S; 41....

A: Molar mass of FeSO4 .6H2O = 260.0g/mol In FeSO4 .6H2O Number of Fe = 1 Number of S =1 Number of O=10...

Q: For the nitrogen fixation reaction 3H2(g) + N2(g) 2NH3(g), Kc = 6.0 × 10–2 at 500°C.  If 0.250 M H2 ...

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Q: Which of the following statements determine a reaction to be spontaneous? O The ASpxn is positive. O...

A: The relation between change in entropy, enthalpy, and Gibbs free energy can be given as: ∆G=∆H-T∆S  ...

Q: Part II. Problem Solving (20 pts) Instruction: Solve the colligative property questions. Refer below...

A: Colligative property are those property which depends on amount of solute instead of quality of the ...

Q: What is the total number of nitrogen atoms on the right-hand side of this chemical equation? 3 HNO,(...

A: To understand fully chemical equation reaction must be balanced. In any balanced chemical equation t...

Q: Convert each Fischer projection formula Into a representation that uses wedges and dashed wedges. CH...

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Q: thermometer -1 is put into a calorimeter (see sketch at right) that contains 300.0 g of water. The t...

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Q: The graph below shows the concentration of reactants and products in a chemical reaction that reache...

A: Given:-   We have to explain the nature of graph which is representing equilibrium . 

Q: of lead(II) carbonate, PBCO3, is 7.40 × 10-14. Calculate the molar solubility, S, of this compoun Th...

A: Ksp of PbCO3 = 7.40*10-14   Then,  

Q: Which of the following is incorrect in the set of sign conventions for AH, AS, and AG with the tempe...

A: We have to predict the incorrect set of thermodynamic quantity.  

Q: Another conceptually simple approach to water purification, but it isn’t quite as straightforward as...

A: Forcing the water through small spaces can be done via an osmotic driving force.