NTHALPY Example: A balloon was filled and was found out that the volume used is 0.500L with pressure of 150atm. The internal energy was also 125atm. What will be the enthalpy of the system?

Q: When a Grignard reagent reacts with an ester, two equivalents of the Grignard reagent (or an excess)…

A:

Q: Determine the pH of an HNO2 solution (for which Ka= 4.6x10^-4) of each of the following…

A: Given that the Ka of HNO2 is 4.6×10-4. The Ka is very small. So, HNO2 is a weak acid and undergoes…

Q: How many grams of methanol (CH3OH) needed to make 250 ml of a 0.25 m solution?

A: Instead of m, it should be M. So we use the 0.25M solution, not 0.25 molal or 0.25m solution. Please…

Q: 13.102 Chlorine oxide (CIO), which plays an important role in the depletion of ozone (see Problem…

A: This question belongs to Chemical Kinetics.

Q: Consider a system consisting of 2.0 mol CO₂(g), initially at 25°C and 10 atm and confined to a…

A:

Q: 6) Get two medium test tubes. Into one, place about 2 mL of a solution of hydrochloric acid. Into…

A: 6) In the multiple questions, we solve only first question according to the Bartleby guidelines. If…

Q: Will 3-methylhexanoic acid be positive or neutral with an pH of 6.38?

A: To determine if 3-methylhexanoic acid will be positive or neutral at a pH of 6.38, we need to…

Q: 1. The rate constant for the first-order decomposition of a compound A in the reaction 3 A→P is kr =…

A:

Q: vii. Dess-Martin periodinane OH

A:

Q: Using the data in the table, calculate the rate constant of this reaction. k= A+B → C + D Trial [A]…

A: We have to determine the rate constant for the given reaction

Q: Be sure to answer all parts. A gas expands from 252 mL to 936 mL at a constant temperature.…

A: The question is based on the concept of chemical thermodynamics. we need to calculate work done in…

Q: Complete the table with 3 Major IR peaks. IR Peak, cm-1 Bond Type

A: The question is based on the concept of organic spectroscopy. we have to analyse the IR spectra…

Q: What is the molarity of ions in a 0.824 M solution of Li₂SO4 assuming the compound dissociates…

A: Given, Molarity of Li2SO4 solution = [Li2SO4] = 0.824 M Molarity of ions (Li+ and SO42-), Molarity…

Q: Use the concepts learned in class to predict the most likely TWO charges that scandium, Sc, would…

A: Atomic number of Scandium(Sc) = 21 Electron is removed from outermost shell. Electronic…

Q: Question 6 I and III The statements numbered above that refer to reduction are III and IV II and III…

A:

Q: For the reaction shown below, which could be the products? Select all that apply. НО A VA C D В ЊС…

A: Ester hydrolysis : This reaction is ester hydrolysis because water molecule breaks the ester bond…

Q: 9. a. Draw the molecule trans-1,3-butadiene, using any representation that shows the molecule's…

A: The structure of trans-1,3-butadiene and aspartame and IUPAC name of vinyl chloride is given below -…

Q: What is the rate law of the following reaction? A+2B→C+D. Determine both the partial order for A and…

A:

Q: Consider the following reaction: CH3COOH(aq) + OH-(aq) -----> CH3COO- (aq) + H2O(l) How much…

A: Answer :

Q: Need help to calculate the number of moles and the mass of sulfuric acid

A: The question is based on the concept of solutions.   we need to calculate moles and mass of…

Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: Entropy is a measure of randomness or disorderness of the system. The order of entropy of different…

Q: Predict whether the equilibrium constants for the following reactions should be greater than 1 or…

A: This question belongs to Chemical Equilibrium.

Q: how do you this? how to enter it in the calculator?

A:

Q: Please, help me to do question 5 (What purpose does the acetic acid serve in this oxidation reaction…

A: Solution: The oxidation of help the cyclohexanol is achieved by the treatment of sodium hypochlorite…

Q: Consider the reaction below. Which species are the Brønsted-Lowry bases? HCO3(aq) + CN- (aq) =…

A: Since, From the definition, Brønsted-Lowry acid are proton donar and Brønsted-Lowry base are proton…

Q: How many moles of GeF4 is needed to form 8.00 mole of GeF3H according to the following reaction, if…

A: The balanced chemical equation is: GeH4 + 3GeF4 → 4GeF3H This equation tells us that one mole of…

Q: atm 1.50 1.00- 0.50- 0 10 Is NO₂ being created or destroyed by t reaction? 15 seconds If NO₂ is…

A: We have to give the answers in correct unit.

Q: Decribe what the effect of overheating or unevenly heating copper sulfate hydrate in a chemistry…

A: Copper sulfate hydrate has the formula, CuSO4.5H2O.

Q: Select all that apply. Which of the following are insoluble in water? OMn(OH)2 AgC103 OK₂S Ca3(PO4)2

A: The question is based on the concept of solubility.    solubility follows a basic principle "like…

Q: Click in the answer box to activate the palette. Determine the empirical formula of a compound…

A:

Q: 2. Given the following VSEPR codes, draw the following molecules as a 3D model. Use A & B as "atoms"…

A: We have to draw the structures using the VSEPR codes and name the molecular geometry

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: We have to calculate the missing value for the given reaction and check which reaction is…

Q: Experiment 3: Types of Reactions Silver nitrate (aq) + Sodium phosphate (aq) → Silver phosphate (s)…

A: Check the formulas for the compound and then balance that reaction by appropriate coefficient.

Q: What is laboratory safety procedure if the samples in the furnace started to meltdown?

A: This answer provides laboratory safety procedures that should be followed if the samples in a…

Q: Steam reforming of methane (CH4) produces "synthesis gas," a mixture of carbon monoxide gas and…

A:

Q: The following reaction can produce two products. The second of these contains two double bonds. what…

A: In this question, we will draw the structure of the product material which have two double bonds.…

Q: a. Identify the fractions of crude oil and their respective boiling temperature ranges. b. Which…

A: We need to identify the fractions of crude oil and their respective boiling temperature ranges and…

Q: A scientist measures the standard enthalpy change for this reaction to be -739.4 kJ/mol: 2CO(g) + 2…

A: The question is based on the concept of chemical thermodynamics. we need to calculate enthalpy of…

Q: Enter your answer in the provided box. 0 From the standard enthalpies of formation, calculate AH…

A: We have given the reaction C6H12(l) + 9O2(g) → 6CO2(g(  + 6H2O(l) To calculate  ∆H°rxn we have to…

Q: O Prompt Initially it may seem like this unit is composed of two unrelated topics: (1) Solutions and…

A: Solution- The topics of Solutions and Acids and Bases are related because the properties of…

Q: (ii) Given that OH ar 7).- and that =C, au ar Show that Cp Cy=nRT for n moles of an ideal gas =C,

A: Change in enthalpy with respect to change in temperature at constant pressure is known as heat…

Q: For each of the following pairs, which molecule would you expect to react faster with a nucleophile?…

A: For the reaction with nucleophile, we know that nucleophiles are electron rich species i.e. they…

Q: Which of the following molecular geometries exhibits the smallest bond angles? planar triangular…

A: The objective of the question is to find out which molecular geometry exhibits smallest bond angle :…

Q: Consider the reaction below. Which species are the Brønsted-Lowry bases? HCO3(aq) + NO₂ (aq) =…

A:

Q: The reaction for photosynthesis, which occurs in plants, is used to convert carbon dioxide and water…

A:

Q: What is the common name for the following molecule? xo-

A: The common name of an organic compound usually consists of the names of the alkyl groups attached to…

Q: Which of the following is a non-polar molecule? о CH3CI О HCI о CC14 о CH2Cl2

A: A bond formed by the sharing of electrons of atoms of different electronegativity is called a polar…

Q: If a solution has a pOH of 8.64, what is the pH, [OH-], and [H*]? pOH = 8.64

A:

Q: Define what is a buffer and explain the principle under which it works. 2. Define what is an…

A: A buffer is a solution that resists changes in pH when small amounts of an acid or base are added.…

Q: 43. The m/v% of a solution with 9.00 grams of potassium carbonate in enough water to make 67.0 ml of…

A: Given weight of solute = 9 gram