Which of these has the LOWEST standard molar entropy? A. Li (s) B. He (g) C. Al2O3 (s) D. PF5 (g) E. All have the same molar entropy.

Q: Give only typing answer with explanation and conclusion 1) A buffer solution contains 0.308 M acetic…

A:

Q: c. If you had a spectrum for this molecule what features would you expect to see on an IR spectrum.…

A: The question is based on the concept of IR spectroscopy. we need to assign characteristic bands to…

Q: 15.34 Coriolic acid, isolated from the hearts of cows, is of interest because of its ability to…

A: Coriolic acid, isolated form the hearts of cow, is of interest because of its ability to transport…

Q: AB,r=kCA-K is to be carried out in a series of reactors with separation of unreacted B between…

A: Let initial concentration of A is CA0 at equilibrium the conversion of A is xAe.Concentration of A…

Q: 12. potassium iodate (0.6 g, 214 g/mol) was dissolved in 100 mL solution and 20 mL was mixed with…

A: 12) Mass of KIO3 dissolved in 100 mL solution= 0.6g Molar mass of KIO3 = 214 g / mol) Volume of KI…

Q: ethyl ethanoate boiling points and purities. basically everything on boiling point and ethyl…

A: With the chemical formula CH3COOCH2CH3, ethyl ethanoate, also known as ethyl acetate, is a widely…

Q: How does trebling the concentration of HCl affect the reaction rate in chemical kinetics?

A: In chemical kinetics, the reaction rate is influenced by the concentration of the reactants.…

Q: The rate of formation of ammonia in the reaction N2 (g) + H2 (g) → NH3 Is reported to be 1.15 mol…

A: N2(g) + H2(g) ----> NH3(g)Rate of formation of ammonia = d[NH3]/dt = 1.15 mol.L-1.s-1Rate of…

Q: Draw the missing products or reagents in the following multistep synthesis. Ignore any inorganic…

A: Here a reaction scheme is given, we have to find the missing products.

Q: Click in the answer box to display choices. Given the following partial structure, how must a…

A: Conformational isomers are a type of stereoisomers where one isomer is converted to another isomer.…

Q: Most of the sulfur used in the United States is chemically synthesized from hydrogen sulfide gas…

A: Hydrogen sulfide gas reacts with dioxygen gas to produce gaseous sulfur dioxide and water.Reaction…

Q: must be represented by one Once the expression is constructed, solve for Kc. Кс

A: moles of CO2 =1.50 molmoles of solid carbon = 10.0 molVolume of container = 20.0 L equillibrium…

Q: What is a counterion in (CH3)3COK? OK™ O (CH3)3CO+ о ко O (CH3)3CO OKT

A: The constituent ions in an ionic compound is known as counter ion. Let's take an example of an ionic…

Q: O: From the following structures, select a reasonable resonance contributing structure for the…

A: Resonance structures are sets of Lewis structures that describe the delocalization of electrons in a…

Q: 23. What is the percent oxygen by mass in Al2(SO4) 3?

A:

Q: (A) (B) (C) (D) ? NaOH, H₂O 50 °C H Н H 'H е H H Н.

A:

Q: In the equilibrium-constant expression, product and reactant concentrations are raised to an…

A:

Q: 7. H20 (200 mL) was titrated with EDTA (21 mL, 0.02 M). Calculate the hardness of water (Ca=40,…

A: The hardness of water is determined by the presence of amount of salt of sulphate and carbonate of…

Q: A chemist combined chloroform (CHCl,) and acetone (C₂H₂O) to create a solution where the mole…

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

Q: For the reaction below, Kc = 4.60 × 10⁻⁶. Note Kc is sometimes called K. What is the equilibrium…

A:

Q: The Pauli Exclusion Principle tells us that no two electrons in an atom can have the same four…

A: According to the Pauli Exclusion principle, no two electrons in an atom can have the same value of…

Q: Is the following reaction balanced? 2C2H6 + 702 → 4CO2 + 6H₂O

A:

Q: How many moles of CH3OH are there in 62.9 mL of 0.400 M CH3OH?

A: Introduction to stoichiometric analysis.

Q: Express the quantity 102,455 m in each unit. fm Express your answer in femtometers to six…

A:

Q: Select the more stable conformation of cis‑1,2‑di(2‑methylpropyl)cyclohexane. A B C D Select the…

A: We have find out the answer.

Q: You prepare a buffer by mixing 0.15 mol propanoic acid (pKa = 4.87) and 0.25 mol sodium propionate.…

A: Mole of propanoic acid = 0.15 molMole of sodium propionate = 0.25 molpKa = 4.87 Mole of NaOH = 0.025…

Q: Could you briefly explain which answer you got for each question?

A: 1) Os2) Ag3) Ag4) Fe5) Zn

Q: oman's Interacti X 68U9zhHgbWASuJSIN7n6mmMh30WJVXTzxEOQhl/edit tensions Help S 100 120 Spanish 24…

A: 4 questions based on nuclear reactions. Each of them are to be suitably answered.

Q: Calculate the molarity of a solution prepared by dissolving 14.5 g of BaCl_2 in 250 mL of solution.

A: Mass of BaCl2 = 14.5 g Volume of BaCl2 = 250 mL Molar mass of BaCl2 = 208.23 g/mol

Q: For the molecule shown below, provide the names for all of the indicated functional groups: 1.…

A: Here some…

Q: 6. Phosphoric acid (25 mL) was titrated with sodium hydroxide (50 mL, 0.05 M) to reach Ph.Ph end…

A: 6) Volume of 0.05 M NaOH solution= 50 mL Volume of phosphoric acid solution= 25 mL

Q: Two substances A and B have retention times of 16.40 and 17.63 min respectively on 30.0 cm column.…

A: Given,Retention times for A (tA)            = 16.40 minThe retention time for B (tB)        =  17.63…

Q: Practice time.... What is the mechanism for the following reactions, include what type of reaction…

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: CH₂COOH + _____0₂ − _____CO₂ + ___H₂0 СООН -

A:

Q: Practice time.... What is the mechanism for the following reactions, include what type of reaction…

A: The question is based on organic reactions.     we need to identify the product formed and explain…

Q: Suppose a 250. ml flask is filled with 1.1 mol of 1₂ and 1.0 mol of HI. The following reaction…

A: Molarity can be calculated by dividing number of moles by volume.  Here, volume of the flask = 250…

Q: student wishes to make a buffer that has a pH of 4.65.  The student has HNO2 and NaNO2.  Nitrous…

A:

Q: 5. Diesters can undergo an intramolecular reaction. These types of Claisen condensations are called…

A: The question is based on organic reactions.    we need to identify the product formed and explain…

Q: If the polypeptide sequence shown below was found within a larger protein, what kind of secondar…

A: In a helix, the carbonyl (C=O) of one amino acid is hydrogen bonded to the amino H (N-H) of an amino…

Q: Write the balanced chemical equations for the following reactions. Silver sulfide (Ag2S) is heated…

A: Silver sulfide is heated in air .

Q: Write the name of the coordination compound (1st row). If any, show all the possible structural,…

A: [Pt(NH3)4(OH)2]SO4 The oxidation state of Pt is x , NH3 is neutral ligand and the oxidation charge…

Q: Fill in the gaps in the following table, assuming each column represents a neutral atom Symbol…

A: While writing atomic symbol of an element, we write atomic number at top and mass number at bottom…

Q: CD et bookmarks…

A:

Q: Urea is an organic compound widely used as a fertilizer. its solubility in water allows it to be…

A: Urea, also recognized as carbamide, is an organic compound with a chemical composition of CO(NH2)2.…

Q: Describe the fundamental principle of all PtX technologies. What is the unifying technology…

A: The fundamental principle of all PtX (Power-to-X) technologies is the conversion of electrical…

Q: Q4/Starting from propene and isopropyl alcohol, how can you prepare 2-methyl -2-pentanol ? Write all…

A: Markovnikov's rule states that when is added to an unsymmetrical alkene, addition of hydrogen takes…

Q: 31. When 10.0 grams of MgCl2 and 10.0 grams of Na₂CO3 are reacted in the balanced equation below the…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: What is the concentration, in mass percent (m/m), of a solution prepared from 150.0 g NaCl and 600.0…

A: To calculate the mass percent (m/m) of a solution, you need to divide the mass of the solute (NaCl)…

Q: The molecular formula for 1,1-dibromobutane is C4H8Br2. Its structure is shown below. How many…

A: The constitutional isomers have the same molecular formula but different bonding connectivities.

Q: Question 7 of 7 > Ⓒ Macmillan Learning compound C H3C CI CH3 CH3 H3C compound E compound G CH3…

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