7. A solution is prepared by dissolving 114 grams of NaCl in 475 grams of water. Find the freezing and boiling points of this solution.

Q: 7) 0.1005 g of erythritol (C,H,O₂) is combusted, producing 0.1449 g of CO₂ and 0.0741 g of H₂O. By…

A:

Q: Question 6

A: Given information:Molarity of calcium nitrate solution = 0.800 MVolume of solution = 50.00 mL

Q: negative charge of it. What parameter is generally most important for determining its relative…

A: This question belongs to basic concept of chemistry.

Q: 6. An aqueous solution of a nonelectrolyte boils at 100.82°C. What is the molality of this solution?

A: The liquid boils at 100.82° C.Therefore elevation of boiling point is 100.82° C - 100° C = 0.82° C…

Q: QUESTION 7 Which of the following hexachlorocyclohexanes is the least reactive in an E2 reaction? CI…

A: ->For E2 elimination reaction antiperiplanar beta hydrogen is required . ->In substrate where…

Q: Assuming it behaves as an ideal gas, calculate the density of nitrogen, N,, at STP. density: g/L

A:

Q: Draw the least stable resonance form for the intermediate in the following electrophilic…

A:

Q: C. 100. mL of ethanol (C2H5OH) in 500. mL of solution (The density of ethanol is 0. 6. How many…

A: One of the Concentration measured i methods is Molarity  method  Molarity=moles/liter M=weight…

Q: 11) A peanut butter and jelly sandwich contains 9.00 g of fat, 6.00 g of protein, and 25.0 g of…

A: Here, we need to answer the Question Number 11 -

Q: Question 6

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of heat…

Q: QUESTION 6 An aqueous solution of CaCl, is mixed with an aqueous solution of Na COz and a…

A: The given reaction are some of the well known example of the precipitation reactions, where these…

Q: Write the net ionic equation, including phases, that corresponds to the reaction Fe(CIO,),(aq) +…

A:

Q: Question 6

A: Given information:Mass of sample = 1.00 kgAmount of heat or energy added to it = 35.0 kJInitial…

Q: Enter your answer in the provided box. Muriatic acid, an industrial grade of concentrated HCI, is…

A: Formula to calculate molarity                          Molarity= mass of solute(g) ×1000molar mass…

Q: 5. Use both the metal and the halogen activity series to predict whether each of the following…

A:

Q: Question 7

A: Calculate mass of 0.950 L mercury: 1 L = 1000 mL

Q: A 7.60 L container holds a mixture of two gases at 41 °C. The partial pressures of gas A and gas B,…

A:

Q: Consider the following reaction: 2C2H6 (g) + 702 (g) → 4CO2 (g) + 6H2O (g) Which substance is…

A: Redox reactions are the chemical reactions in which the gain of electron(reduction) and loss of…

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group…

A:

Q: Calculate the energy needed to raise the temperature of an 850.0-g block of aluminum from 22.8°C to…

A: Given that : The mass of the block of aluminum = 850.0 g Initial temperature = 22.8°C Final…

Q: 7. A hyperbaric chamber has a volume of 200. L. (a) How many moles of oxygen are needed to fill the…

A: The ideal gas equation is PV = nRT P = pressure of gas V = volume n = moles of gas R = gas constant…

Q: 6. The pka of formic acid is 3.750. What is the Ka of formic acid?

A: The answer to Question No. 6 is given as -

Q: 7. The figure below represents three sealed 2.0 L vessels, each containing different gases at 298 K.…

A: Given: Pressure of CO2 = 100 kPa Temperature = 298 K Volume of vessel = 2.0 L

Q: The solubility product for chromium(II) fluoride is K sp = 6.6 x 10-11 What is the molar solubility…

A: molar solubility is related to solubility product. molar solubility is the number of moles of solute…

Q: QUESTION 9 Complete and balance the following redox equation. When properly balanceas using the…

A: Option B is correct. Explaination:- The underlying principle involved in this method is that the…

Q: Draw the major organic product for the reaction shown. 1. PPH3 2. BuLi Br 3.

A:

Q: Indicate the major organic product from the reaction shown. NaOCH2CH3

A:

Q: 5. A 26.4-mL sample of ethylene gas, C2H4, has a pres- sure of 2.50 atm at 2.5°C. If the volume is…

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

Q: Question 6

A: During the reaction of salicylaldehyde with piperidine, the lone pairs of nitrogen atom of…

Q: 9. Determine the molar mass (also called formula weight) of the following compounds: a. СаCl, b.…

A:

Q: Question 7

A: When sodium hydroxide reacts with hydrochloric acid the following reaction takes place shown in…

Q: 4. Citric acid was found to contain 37.51% C, 4.20 % H. and 58.29% O by mass. What is the simplest…

A:

Q: For which of the following reactions will AH be approximately (or exactly) equal to AE? O…

A: The enthalpy change (∆H) and internal energy change (∆E) of a reaction are related as  ∆H = ∆E +…

Q: 9.) (a) Calculate the pressure of gas, in atm, if 8.25 × 10² mol occupies a volume of 174.0 mL at…

A: 9. a) Given;

Q: Explain, in terms of ions, why sodium hydroxide, NaOH is considered an Arrhenius Base.

A: Question 6.  There are various concepts of acids and bases ;-  Arrhenius concept  Brønsted-Lowry…

Q: H H H 2 H-C-S + 2→ H-Ċ-s-S-ċ-H + 2HI H Methanethiol Dimethyl disulfide

A:

Q: Does a reaction occur when aqueous solutions of chromium(II) nitrate and aluminum sulfate are…

A: The reactants given are, 1) Chromium (II) nitrate i.e Cr(NO3)2  2) Aluminium sulfate i.e Al2(SO4)3…

Q: What sugar is shown below? -HO- HO- HO O glucose O galactose mannose O allose

A:

Q: question 7

A: Amide is formed when a carboxylic acid reacts with an amine or ammonia. Primary amide is produced…

Q: In mass spectrometry, McLafferty Rearrangements are common in carbonyl compounds. Draw the daughter…

A: Mass spectrometry is a technique used to determine the mass of a given molecule. In the given…

Q: Predict the products of each reaction below. Indicate regiochemistry and stereochemistry when…

A: We have to write the major product of the reaction

Q: 7. An ice cube is dropped into a foam cup calorimeter containing 95.0 mL of water at 20.0°C. The…

A: Calorimeter is used for measuring the heat changes in a chemical or physical change. The quantity of…

Q: 10. True/False: A greater surface area decreases the amount of material dissolved. 11. Dissolving is…

A: Solution [11.] – Dissolving is a surface phenomenon since it depends on solvent molecules colliding…

Q: What is the name of the acid with the formula HCIO3?

A: The compound which donates the proton is called acid.

Q: 1000 4. (EC) 70.4g of hematite (iron ore) was placed in a flask whose maximum volume was 55.0 mL.…

A: 4) Given data is Mass of hematite (iron ore) = 70.4 g  Volume of the flask = 55.0 mL The mass of…

Q: Question 7

A: The reaction is given as follows:

Q: obtained by this process: Q9) Nitric oxide (NO) reacts with oxygen gas to form nitrogen dioxide…

A: Given that -  Balanced Chemical equation is -  2NO(g) + O2(g) ----> 2NO2(g)    And, mole of NO =…

Q: An unknown compound has the following chemical formula: Al,CI where x stands for a whole number.…

A:

Q: Answer the questions about the Lewis dot structure of hydrogen fluoride. H- F How many bonding…

A: It can easily be understood by drawing Lewis dot structure of HF.

Q: Type: MC QUESTION 9 Which of the following reactions gives the elimination products shown? Mark all…

A: 9) Option A and B are correct. As, the geometry of hydrogen required for elimination is…