Calculate the osmotic potential of a 30 mM sodium chloride solution at 20.5 °C. The unit of the result is MPa.

Q: For each of the following sets of volume/temperature data, calculate the missing quantity after the…

A: Given,The set of volume/temperature data:a. V = 2.03 L at 24 °C; V = 3.01 L at ? °Cb. V = 127 mL at…

Q: Liquid A is known to have a higher vapor pressure and higher surface tension than Liquid B. Use…

A: Given:The surface tension of liquid A is higher than liquid BThe vapor pressure of Liquid A is…

Q: Practice Exercise A 1025-g horseshoe at 425°C is dropped into 1550 g of water at 20 °C. If the water…

A: The initial temperature of horseshoe (T_initial_horseshoe) = 425°CThe final temperature of horseshoe…

Q: Calculate the molality of an ethylene glycol (C₂H60₂) soltuion, that has a molarity of 2.18 M. The…

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Q: Ra (A) a T₁/2 = 3,05 menit Ra (B) B T₁/2 = 26,8 menit Ra (C) a

A: This problem is based on Radioactivity. We know that radioactivity is first order reaction. Here we…

Q: Draw a Lewis structure of sulfate (SO42-) that minimizes charge. Include all electrons and formal…

A: Given that, the molecule is SO42-We have to draw the Lewis structure of sulphate ion(SO42-).

Q: A 2.87 L container at 62.6 °C contains 6.25 g of N, O, (g). The N, O, gas decomposes completely,…

A: Given,when gaseous N2O3 completely decomposes into gaseous NO2 and gaseous NO.mass of N2O3 = 6.25…

Q: Why do atoms get smaller as you go across the row on the periodic table? why do atoms get larger…

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Q: H₂C Identify the compound below that is best classified as a Bronsted-Lowry acid: H3C-MgBr || O KⓇ…

A: According to Bronsted -Lowry acid base concept, an acid is a substance which can release H+ ion and…

Q: Click on the "draw structure" button to launch the drawing utility. What is the conjugate base of A?…

A: The conjugate base of p-aminophenol (C6H4NH2OH) is formed when it loses a proton (H+). The chemical…

Q: QUESTION 32 Which pair has similar chemical properties? O ¹H and 22 Na O 12C and 28 O 160 and 32g…

A: Chemical properties depend on the electrons present in the elements.Total electrons of an element =…

Q: Explain in detail why the following reaction will produce the indicated product in negligible…

A: This is Aldol condensation reaction. Based on the stability of carbeneanion produced, this reaction…

Q: Aqueous silver nitrate reacts with solid aluminum to produce aqueous aluminum nitrate and solid…

A: Mass of Aluminium = 8.75 g  andMass of silver nitrate = Excess amountChemical reaction :…

Q: [Review Topics] [References] Write an acceptable IUPAC name for the compound below. Include 'cis'…

A: •Identification of parent chain•Identification of substituents•Numbering of parent chain (it is done…

Q: What kind of intermolecular forces act between a zinc cation and a water molecule? Note: If there is…

A: Intermolecular forces are the forces that are present between 2 molecules. Different types of…

Q: Pls help ASAP

A: • Covalent bond: Bond formed by sharing of electrons between the two atoms in a molecule and bonding…

Q: Draw 3 RC for each of these anions (when converted to their conjugate base). Based on these, rank…

A: Acidity refers to the ability of a substance (usually a compound or ion) to donate a proton (H+) in…

Q: This is a Bransted-Lowry acid-base reaction. Draw structures for all the products, showing any…

A: According to the Bronsted–Lowry theory,Bronsted-Lowry acids are substances that can donate a proton…

Q: Answer the questions in the table about each labeled atom in the molecule below. Atom What is the…

A: The electron group geometry around the labelled atom can be predict by their respective…

Q: After dissolving the aspirin in hot ethanol, why does it crystallize when water is added to the…

A: We have to explain the cause of recrystallization of aspirin in presence of water.

Q: a. Describe the preparation of 1.67 L of 5.00% (w/v) K2Cr2O7 from the solid salt.   b. What is the…

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Q: Comparing the NFPA diamonds for the three chemicals, which statement is true? A. 1,2-dichloroethane…

A: The NFPA Diamond/NFPA Hazard Diamond, provides the information about the specific hazards of a…

Q: Make a 150 mL solution containing 80% MEOH and 30% Acetic acid.

A: Given that, To make 150 ml of solution containing 80 % of MeOH20 % of Acetic acid(NOTE: Acetic acid…

Q: For each compound in the table below, decide whether there would be any hydrogen-bonding force…

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Q: Concentrated HCL has a specific gravity of 1.185 and is 36.5% (w/w) in HCl. Describe how 1.0 L of…

A: To prepare 1.0 L of 0.05 M HCl from concentrated hydrochloric acid (HCl) with a specific gravity of…

Q: Which vibrational mode has a broader corresponding signal – an amide C=O stretch or a ketone C=O…

A: All atoms in a molecule are constantly in  motion while the entire molecule experiences constant…

Q: Be sure to answer all parts. The pk of three different C-H bonds is given below. For each compound,…

A: Acid is a species which donates proton, After donation acid forms anion called conjugate base.

Q: Give detailed mechanism Solution with explanation needed..don't give Handwritten answer

A: Reactions in which the nucleophile substitutes the other group or group of atoms are called as…

Q: The concentration of H+ ions in a solution is 2.54 x 10-6 mol/L. What is the pH of this solution?…

A: pH is negative logarithm of concentration of H+ ion.Here, given is,[H+] = 2.54  × 10-6 mol/L

Q: 2. On the first drawing on the left for each structure below, draw the electron pushing arrows…

A: Resonance structures are the structures where there is delocalization of electrons. The position of…

Q: Identify the type of orbital shown in the picture below. A) sigma (o) bond B) sigma star (0*)…

A: Given are two orbitals: one is p-orbital with two lobes and other is d-orbital with four lobes.

Q: Match each kinetic order of crystal violet listed below with the function of absorbance (A) that,…

A: Zero order reaction:A = -kt + AoFirst order reaction:ln A = -kt + lnAoSecond order reaction:1/A = kt…

Q: Red gold is a gold-copper alloy used to make jewelry. A piece of jewelry made of red gold weighs…

A: Given,Red gold is a gold-copper alloy.mass of red gold = 7.66 gvolume of red gold = 0.541 cm3density…

Q: WHAT REACTANTS WOULD GIVE THE FOLLOWING PRODUCTS? C8O2+NH(CH3)3

A: Given :In the question you mentioned C8O2 but it must be The product of the reaction is Identify the…

Q: 20.3(b) Use the Maxwell distribution of speeds to estimate the fraction of CO₂ molecules at 300 K…

A: We have found out the fraction of CO2 molecule at 300K.

Q: Write the overall reaction, total ionic equation (TIE), and the Net Ionic Equation (NIE) for the…

A: Reaction of sodium bicarbonate () that is base and hydrochloric acid () that is acidic in nature is…

Q: A sheet of aluminum measures 48.5 cm by 22.0 cm. If the volume is 3.00 cm³ what is the thickness of…

A: In dimensional analysis in chemistry, the relations between physical quantities by identifying the…

Q: The following data were obtained when a test tube containing barium chloride hydrate was weighed…

A: Mass of an empty test tube = 18.42gMass of the test tube containing hydrate (before heating) =…

Q: calculate the number of moles and mass (in grams) of cobalt nitrate in the volume was 250 mL

A: Molarity is defined as the moles of solute that is dissolved in required solvent to obtain 1 L of…

Q: 2. You are loading an agarose gel that holds up to 30ul. You need to load 10ul of your PCR sample…

A: Gel electrophoresis is a laboratory technique which can be used to analyze and separate…

Q: Draw the products formed when 2-propanol [(CH3)2CHOH], the main ingredient of rubbing alcohol, is…

A: Bronsted-Lowry acid-base theory:According to the Bronsted-Lowry acid-base theory, acid is a…

Q: Draw the structures of 4 aldehydes with formula C5H100.

A: Aldehyde is an organic compound containing the group -CHO, formed by the oxidation of alcohol.

Q: Be sure to answer all parts. Select the correct Lewis acid and base reaction showing the movement of…

A: A Lewis acid is any species (molecule or ion) that can accept a pair of electrons, and a Lewis base…

Q: The addition of water to ethylene to yield ethanol has the following A thermodynamic parameters:…

A: Given A chemical reaction

Q: Draw the structure of the major organic product(s) of the reaction. N-CH3 1. LIAIH4, ether 2. H₂O

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Q: 17) The spectator ions in the reaction between aqueous hydrobromic acid and aqueous ammonia are A)…

A: Given reaction is in between aqueous hydrobromic acid and aqueous ammonia.Spectator ions are ions…

Q: draw major product(s) if none write no reaction use dash and wedge when nessacary?

A: Diels-Alder reaction is the cycloaddition reaction between diene and dienophile. This reaction is…

Q: 25. The equilibrium constant for the following reaction is 1.95 x 10-¹3 at 298 K. What is the…

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Q: 29) The molecular interaction called “hydrophobic effect" is best described as: A) The attractive…

A: Hydrophobic effect is best described as:

Q: The reduction of iron(III) oxide (Fe₂O₁) to pure iron during the first step of steelmaking. 2 Fe,0,…

A: First of all we calculate number of moles of number of moles of CokeMass of coke = 620 ton = 620…