What is the molar mass of the compound barium nitrate? g/mol Provide an answer with two decimal places.

Q: [Review Topics] [References] Use the References to access important values if needed for this questi...

A: Alkene hydrogenation is the syn-addition of hydrogen to an alkene, saturating the bond and form alka...

Q: Why is adding mineral oil necessary during process of esterification?

A: A mineral acid catalyst is generally needed to make the reaction occur at a very useful rate. Esters...

Q: 9. The % w/w of I- in a 0.2144-g sample was determined by Volhard titration. After adding 50.00 mL o...

A:

Q: Calculate the HLB value for the surfactant shown below. Use equations specifically designed for non-...

A: In an amphiphilic molecule like surfactants, there exists a balance between their hydrophilicity and...

Q: sample of a weak acid with a strong base (titrant). What is the relative pH at

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Q: grams

A:

Q: b. What is the % w/w Fe304 in the sample? 10.33% 32.58% O 23.24% 48.86% O 21.72%

A:

Q: Consider the synthesis of urea: 2 NH₃(l) + CO₂(g) → CO(NH₂)₂(s) + H₂O(l). If 47.7 g of urea is forme...

A: Given: Actual yield of urea = 47.7  g Molar mass of urea = 60.06 g/mol

Q: 20.0 g of sodium acetate (CH3COONa) to 500 mL of a 0.150 M acetic acid (CH3COOH) solution. Determin...

A: Given,  pKa of acid = 4.74 Mass of Salt = 20.0 g Molar mass of Salt = 82 g/mol Moles of Salt = mass/...

Q: 4. A sample of phosphorus weighing 2.50 grams is burned in the presence of oxygen. WhatR the empiric...

A: Solution -

Q: For a certain reaction, the frequency factor A is 3.7 x 10° s1 and the activation energy is 18.3 kJ/...

A: Given, Frequency factor (A) = 3.7 × 109 s-1 Activation energy (Ea) = 18.3 kJ/mol = 18.3 × 1000 J/mol...

Q: Identify which of the graphs represent the given titration experiments best. Graph A Graph B 12 12 1...

A: Titration is a process in which amount of solute in a solution of unknown concentration is determine...

Q: Treatment of a 0.7000 g sample of impure potassium chloride with an excess of AgNO3 resulted in the ...

A: Given, mass of sample of impure KCl = 0.7000 g molar mass of KCl = 74.55 g/mol Excess reactant - AgN...

Q: A chemist fills a reaction vessel with 0.839 g mercurous chioride (Hg, Cl,) solid, 0.302 M mercury (...

A:

Q: Br `NO2

A: Given :-  Benzene → 4-bromo-2-nitrobenzoic acid  To determine :-  reagents that are responsible for ...

Q: 8. How many grams of CaCl, will be dissolved in 50g of water at 70°C2 9. What amount of water is nee...

A: We need to check solubility value at particular temperature from graph.

Q: A girl must convert 1-butyne into 2-pentanione. Assist her by recommending a synthetic plan to follo...

A: Here we have to convert 1-butyne into 2-pentanone by multistep reactions by providing suitable reage...

Q: A 0.3654 g sample of the disinfectant p-cresol (108.1 g/mol) underwent combustion analysis and forme...

A:

Q: Bé sure to answer all parts. Consider the reaction X+ Y-Z Initial Rate of Disappearance of [X] (M) [...

A: Solution -

Q: mg of OXallo acid (H,C,04), a diprotic acid that can be purchased inexpensively in high purity, and ...

A:

Q: What metal ion is responsible for the red firework?   Street lights are yellow/orange in color and n...

A: What metal ion is responsible for the red firework?   Street lights are yellow/orange in color and n...

Q: Draw an enthalpy diagram to represent the following equation:  Pb(s) + PbO2(s) + 2H2SO4(aq) → 2PbSO...

A: Pb(s) + PbO2(s) +2H2SO4(aq) --> 2PbSO4(s) + 2H2O(l) ∆H = -509 KJ  

Q: e quantity of

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Q: What is the rate constant of a first-order reaction if the half-life is 6.62 min

A:

Q: If 20.0 g of H, reacts with 40.0 g of CuO which reactant is limiting?

A: Limiting reactant is the reactant which is present in less amount and is consumed first in the react...

Q: Evaluate the mean radius of a 3s orbital by integration.

A: To evaluate: mean radius of a 3s orbital by integration 

Q: 3. Find the specific heat of a steel that has a mass of 1.57 kg absorbs net thermal energy of 2.5\ti...

A: Answer:- We can determined specific heat of  steel by using q=mc∆T ...

Q: Which of the following glycosidic linkage is found in maltose? *   A. Glucose (a1-2B) Fructose B. Gl...

A: Glycosidic linkage is the linkage between two monosaccharide units through oxygen atoms with the los...

Q: Part I. Evaluate each statement and determine whether it is true or false. 1. A substance that can a...

A: According to the Arrhenius theory, the substance that gives hydrogen ion H+ in the aqueous solution ...

Q: Read each description in the first column of the table below. If any chemical element with atomic nu...

A: Given :  Chemical element with atomic Number 92 or less 

Q: Consider the following endothermic reaction at 345.0 °C HBr (g) = > H2 (g) + Bi2 (g) Kp=4.18×10^-9 A...

A: Given endothermic reaction is :  2HBr (g) <---------> H2 (g) + Br2 (g)  Pressure equilibrium c...

Q: 18 Estimate the difference between ΔHreaction and ΔUreaction (in kJ/mol) for the reaction: 6Li(s) + ...

A: For question 18, given reaction: 6Li(s) + N2(g) →2Li3N(s) We have to calculate the difference betwee...

Q: If a commercially available insulin preparation contains 1.5 ppm of proinsulin, how many mcg of proi...

A: The mass of solute in mg present in a one-liter solution is known as ppm (parts per million) concent...

Q: rate is

A:

Q: OH F OH

A:

Q: 2,3-Dimethylfumaric acid has a molecular formula C6H8O4. It undergoes oxidative cleavage to form two...

A: GIVEN:- 2,3-Dimethylfumaric acid has a molecular formula C6H8O4. It undergoes oxidative cleavage to ...

Q: What mass of AgI (234.8 g/mol) can be produced from a 0.8093 g sample that is 47.6% MgI2 (278.11 g/m...

A: 0.8093 g of sample has 47.6 % MgI2 . Here, we have to calculate the mass of AgI that can be produced...

Q: In solving the rate constant of a reaction, what will we use? Is it the final concentration or the i...

A: Rate constant is proportionality constant that expresses relationship between rate of the reaction a...

Q: The concentration of a drug additive in an animal feed is 12.5 ppm. How many milligrams of the drug ...

A:

Q: Explain in not more than 10 sentences why it is important to know the properties, doses, effects, an...

A: Ans.  It is important to know the properties, doses, effects, and exposure conditions of a cosmetic ...

Q: Compute the E°cell and determine whether spontaneous or not. A. Zn and Fe B. Fe and Pb C. Zn and Pb

A:

Q: 27. Consider the following reaction: 4V + 302 → 2V2O3 How many grams of O2 are needed to react with ...

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Q: What is the name of the compound below?

A:

Q: 24. The oxidation number of phosphorous in the phosphate anion, PO43 is; а. -3 b. +3 с. +5 d. -5 e. ...

A:

Q: 16. Consider the reaction represented by the equation: Fe3* (ag) + SCN- (aq) FESCN²*a 0.45 M Fe3*(aq...

A: Kc is the ratio of the equilibrium concentrations of product over equilibrium concentrations of reac...

Q: 14. 15. Ha PO 16. Br Br (BuONa (2 equiv) t-BUOH heat 17. HO 312 NO2 O2N

A:

Q: Q2 : At 25°C, K = 3.40 x 10-3 S m-1 for 0.00100 M NH4OH. Values of Lo are: NH4C1 = 0.01497, NaOH 0.0...

A:

Q: Quantum numbers

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Q: Esterase hydrolyzes ester bonds. For simplicity, only the amino acids whose side-chains interact wit...

A: Introduction :  Hydrolysis can be defined as a double decomposition reaction with water as one of th...

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.