How much heat in calories is needed to raise 250grams of water from 80°C to 90°C?

Q: Waxes belong to which class of compounds? O alcohols ethers esters carboxylic acids

A: Waxes are one class of lipid that is formed by the combination of two molecules, fatty acid, and…

Q: Step 1: ClO (aq) + H2O) → HCIO (aq) + OH (aq) [Slow] Step 2: l'(aq) + HCIO aq) → HIO(aq) + Cl (aq)…

A: Since you have posted question with multiple subparts as per the guidelines we can answer only three…

Q: more possible constitutional isomer products, it is said to be regiospecific. For example in…

A: Given : We have to make products for the given reactions.

Q: What is the mechanism of the following reaction? B2H6 + O2 -->  B2O3

A: We have to write down the mechanism of the following reaction. B2H6 + O2 -->  B2O3

Q: Which of the following is NOT a polyprotic acid?       H2S…

A:

Q: #5: Titration of 0.1212 g of pure Na2C2O4 (134 g/mol) required 19.14 mL of KMnO4. What is the…

A: Given reaction: 2MnO4- + 5C2O42- + 16H+ → 2Mn2+ + 8H2O + 10CO2 The mass of Na2C2O4 = 0.1212 g The…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. NH2 1. NaNO2, H2SO4 2. CuBr

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Q: Match the following methods of Analysis Fractional analysis, methylation, and periodate oxidation A.…

A: Function analysis, methylation and periodic oxidation is the group detection by the chemical…

Q: At the edges of the paper which you happened to touch with sweated hands, what can you conclude…

A: Chromatography is totally based on capillary action. So if we hold the paper in the middle, then…

Q: Potential energy (kJ) 1) The graph below is a potential energy diagram for the hypothetical…

A: From the graph it is clear that energy of reactants are 40 kJ and energy of products are 10 kJ.

Q: For the reaction below, which one of the following possible products is (CH3),CONA THE Br…

A: Organic compounds can be defined as the compounds containing carbon and hydrogen atoms.For example…

Q: a) N.

A:

Q: According to the following balanced chemical reaction: 6 Li (s) + N2 (g) → 2 Lİ3N (s). How many…

A: Given-> Moles 0f Li = 1.05 mole

Q: Propose a synthesis for the following transformation: `Br 1) NaCN NH2 1) excess CH3! Br 2) xs LAH 3)…

A:

Q: Calculate the pH of vinegar if it has a hydronium ion concentration of 2.8x10-3 M? Use sig. figs.…

A: Given - - - > Concentration of hydronium ion  [H3O+]  = 2.8 x 10-3 M pH of vinegar =?

Q: describe the behavior of the electron. Each function is characterized by three quantum numbers: n,…

A:

Q: Check the box next to each molecule on the right that has the shape of the model molecule on the…

A: The correct answer about ball and stick model is given below

Q: pairs on both nucleophile and leaving group. Exercise 23. Give the products of the following…

A:

Q: Question 2 Hydrolysis of a mixture of glycerophospholipids may yield the following, EXCEPT: O serine…

A:

Q: the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 10-3 min-1. If…

A: Given reaction followed first order kinetics

Q: The coordination complex, [Fe(CN)5(NO)]2", displays linkage isomerism. Draw the structural formula…

A: Given as  The complex [Fe(CN)5(NO]2- shows linkage isomerism. The structural formula of the complex…

Q: Exercise 27. Determine the mechanism of elimination of each reaction. Draw the products and identify…

A:

Q: 9.8 g of H2SO4 (molar mass 98 g/mol) is present in 2.0 L of solution. The molarity of the solution…

A: Given that mass of H2SO4 present = 9.8 g Molar mass of H2SO4   = 98 g/mol Volume of solution = 2L We…

Q: The equilibrium constant for the reaction                         NO(g)  +  1/2 O2(g)  ⇌  NO2(g)…

A:

Q: Consider a fuel cell that works by reacting 7.2 g of liquid methanol with oxygen to form liquid…

A: Concept: Fuel cell: A fuel cell is an electrochemical cell that converts the chemical energy. Here…

Q: A solution is prepared by mixing 20.0 mL of methanol with enough water to produce 400. mL of a…

A: Given - - > Volume of methanol mixed = 20.0 mL Volume of the solution formed = 400.0mL Percent by…

Q: 2.) Draw the condensed structures (NOT line structures) for the following reactions of alcohols. ÇH3…

A: Detail mechanistic pathway is given below to find out the product

Q: Determining the formula of a hydrate: NOTE: SHOW ALL STEPS!! A sample of copper (II) sulfate…

A:

Q: What is the pH of a 0.15 M HOBr solution (Ka = 2.3 x 10-9)?

A: Given Data : 1. Ka = 2.3 x 10-9  2. Concentration C = 0.15 M

Q: Question 11 What is the major product to the following reaction? H,0 H. H,O'

A:

Q: Mass of aspirin used is .090 g  the absorbance for the final solution was .304 nm  Slope is 1708…

A: Given: Mass of aspirin used = 0.090 g  The absorbance for the final solution was = 0.304 Slope is…

Q: In monounsaturated fatty acids, the presence of a double bond is usually found at the position…

A: Fatty acid can be saturated , mono-unsaturated or poly-unsaturated.  Saturated fatty acids doesn't…

Q: Which of the following compounds are aromatic? Select all molecules that apply. ZI

A: A compound is said to be aromatic if it is cyclic, planar, completely conjugated, obey (4n+2) π…

Q: Here is an isomer of the [FeBr,Cl,(OH)] complex: 3- Br CI Fe Cl OH Br Draw another isomer below.

A: In octahedral complexes (CN = 6) , there are two kinds of bonds  Equatorial bonds : The bonds which…

Q: Some measurements of the initial rate of a certain reaction are given in the table below. |H,initial…

A:

Q: Chemistry Propose a synthesis for 4-Fluorobenzoic acid [(3- chlorophenyl)methylene]hydrazide with…

A:

Q: 5- Vacuum fractional distillation of crude oil, when performed, allows the distillation of the most…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: Methylated samples hydrolysate samples can be analyzed using a gas chromatography.  True  False

A: Chromatography is a technique which is used for seperate the reaction mixture

Q: The ratio of rice to water is 500 grams is to 600 millimeters of water. How many liters of water is…

A:

Q: The structure below is a он NH но HO "OH он ÕH

A:

Q: Part A ient wooden club is found that contains 71 g on and has an activity of 8.8 decays per…

A: Given data set,  Mass of carbon = 71 g Activity = 8.8 decay/sec Decay constant = ln 2/T = 0.693/5730…

Q: - Provide the structure of the major organic product for the reaction sequence shown below. 1.…

A: It is a 3 step reaction as shown in the following step.

Q: Select the ingredients required to make a buffer solution. A) A relatively large concentration of a…

A: 19 C is correct option

Q: a. Using the AE = g + w and AH = AE + PAV, show that AH = q @ constant pressure.

A: Given, ∆E= q +WWhere,∆E= change in internal energyq= heat W= work done ∆H=∆E +P∆VWhere,∆H = change…

Q: 2) Write the condensed structure for the following molecules: а) b) HO

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Calculate the pH of a solution that is (This problem requires values in your textbook's specific…

A: Note: As per our company guideline we can answer only three subparts. Kindly repost the question…

Q: What is the molarity of a solution in which 4.00 mol of potassium chloride (molar mass 74.55 g/mol)…

A: Concept:  Molarity = number of mole/ Volume in liter  Mole = weight/Molar weight

Q: What is the mass of H2SO4 (molar mass 98 g/mol) in 400. mL of 0.100 M solution? O 3.92 g O 4.90 g…

A: Given, Concentration of the solution = 0.100 M= 0.100 mol/L Volume of the solution = 400.0 mL = 0.4…

Q: Which of the following is a conjugate acid-base pair in the following equation? H3PO4 + H2O → H3O* +…

A: Which of the following is conjugate acid-base pairs---