USIng bond energies, what is the mng AH för the complete Combustion of gaseous propane (C3 HR? The structure For propane is given below. C- -C-H 1

Q: How many phosphoester (phosphate ester) and phosphoanhydride bonds are in adenosine and adenosine di...

A: We have find out phosphoester (phosphate ester) and phosphoanhydride bonds in adenosine and adenosin...

Q: Hydroxyapatite, Ca,(PO,),(OH),, has a solubility constant of Ksp = 2.34 × 10-5º, and dissociates acc...

A: The solubility reaction given is,                         Given: [OH- ] = 7.40 × 10-4 M.  

Q: a) What is the formula and charge of the of the complex ion? b) What is the coordination number of t...

A: Given that Pt2+ forms a complex with two ammonia molecules, one SCN- and a Cl- ion.

Q: A factory has a solid copper sphere that ne s to be drawn into a wire. The mass of the copper s, nee...

A: According to the mass conservation law when the copper sphere is converted into copper wire the mass...

Q: A student created a solution in a 100 mL volumetric flask by adding 3.753 g KNO3 and 25.77 mL 0.358 ...

A:

Q: An acetic acid buffer contains 0.6 M CH3COOH and 0.6 M CH3COONA. (CH3COOH has a K, 1.76 x 105.) What...

A: Given- Concentration of CH3COOH= 0.6M Concentration of CH3COONa= 0.6M Ka of CH3COOH=1.76 ×10 -5 Mole...

Q: If atmospheric pressure is 0.985 atm and the water vapor is 17.5 mm Hg, what is the pressure of the ...

A: We have to calculate the pressure of gas collected.  

Q: What is the mass of 0.75 moles of (NH4)3PO4? O 111.75 g O 121.75 g O 131.75 g 101.75 g

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

Q: For the following molecule, indicate the number of valence electron, the electron geometry, the mole...

A:

Q: . In aqueous solution, hydrazine is a base that can accept two protons: N2H4(aq) + H2O(1) 2 N¿Hs*(ag...

A:

Q: When you prepare a buffer, it is recommended to use a weak acid whose pKa is close to the pH require...

A: Here we have to explain why to make a buffer solution the weak acid chosen should have pKa close to ...

Q: The compound below is treated with N-bromosuccinimide (NBS) in the presence of light. Draw both reso...

A: NBS in presence of light give allylic bromination .  

Q: Draw the structure of the product of each reaction below. Also, for each reaction, estimate the mech...

A:

Q: Each of the following salts were dissolved in water to give a 0.10 mol.L·' solution. Rank the soluti...

A: The compounds given are Na2S, Na3PO4, NaF, NaCH3COO and AlCl3.  

Q: 22.Which is the conjugate base in the equation? [Fe(H2O)6]+3 + H20 = [Fe(H2O)50H+2 + H30+ А. H30+ В....

A:

Q: don’t understand the first part of the question with the: “You need 2 moles of magnesium…” How do I ...

A:

Q: predict the products, blanace the chemical equation and indicate if the reaction is a precipitation ...

A: Predict the products, balance the chemical equation and indicate if the reaction is a precipitation ...

Q: From the following heats of combustion, CH3OH(1) + 02(g) → CO;(g) + 2H,O(1) AH =-726.4 kJ/mol rxn C(...

A:

Q: 4. Suppose 5 mL of 1.5 M ethylene diamine is added to 50 mL of 0.15 M Ni solution in an identical ca...

A:

Q: Balance the following reaction by typing in the correct coefficients in front of each reactant and p...

A:

Q: To find Qut the nicked jon concentraion im a dolution Porepared Joy mixing 361m2 of oo414m uckel mit...

A: Given: Concentration of Nickel nitrate i.e. Ni(NO3)2 = 0.414 M Volume of solution = 361 mL = 0.361 L...

Q: 1. What is the general formula for saturated hydrocarbons? 2. How is the formula changed if one C=C...

A: Alkanes are saturated hydrocarbon whereas alkene and alkyne are unsaturated hydrocarbon. Weight of a...

Q: Using solubility products, which of the following salts is the most soluble, in terms of moles per l...

A: Given,  The highest molar solubility containing compound in given list of compounds is:

Q: Ascorbic acid (Vitamin C, C6H8O6) is a weak diprotic acid, with Ka1 = 6.8x10 and Ka2 = 2.7x10-12. Wh...

A:

Q: A 31.6 ml sample of 0.431 M formic acid (HCHO2) is titrated with 0.431 M NaOH. Calculate the pH afte...

A:

Q: Draw a structural formula for the missing product in the following reaction. NaHCO3 H20 + ? + CO2 + ...

A:

Q: Plz help with hw Calculate the energy (in kJ/mol) that electrons acquire as a result of being accele...

A: Answer: First of all we have to calculate the charge on 1 mole electrons and then by using the relat...

Q: After graphing the appropriate variables for the linear Rydberg equation you obtain the following be...

A:

Q: H NO3 HF K" H* OH OH K OH F NO3 H* 4* HF OH H* NO3 он K* HF HF Mg(OH) a b Which beaker depicts a str...

A: Arrhenius gave the definition of an acid and base. According to him, acids are those substances whic...

Q: When the following equation is balanced properly under acidic conditions, what are the coefficients ...

A: Given unbalanced reaction is :  MnO2 + H2SO3 -------> Mn2+ + SO42-  Find the coefficient of the s...

Q: 5. Write the equation for assay of acetylsalicylic acid. Give the value of stoichiometric coefficien...

A:

Q: What is the major product? (A,B,C or D)

A:

Q: 8. Dimethylamine (CH;),NH is a weak base with a pKa of 11.0 a. Calculate the pH of a solution of dim...

A:

Q: Consider the table of weak acids below. Which of the following bases be the strongest weak base? A) ...

A:

Q: Why is it necessary to acidify the mixture obtained after reaction of Grignard reagent with both the...

A: Grignard reaction is an organometallic chemical reaction alkyl, aryl, vinyl or aryl magnesium halide...

Q: 3 3 points A 20.70 mL sample of 0.64 M HCl is titrated with 0.64 M NaOH. Calculate the pH after the ...

A:

Q: N2(g) + 3 X2(g) →2 NX3(g) 0.0 AH 0.0 -48 kJ/mol S° 292 200 152 J/(mol-K) What is AG at 600 K ? О 321...

A: Correct option is (C) 257

Q: Match the point in a titration to the pH range Equivalence point of a strong acid/strong base titrat...

A: EQUIVALENCE point is where the concentration of acid and base is equal

Q: Find the chemical name and formula for: a) sagar b) haking suda e) table salt

A: 1. )  Sugar, baking soda and table salt have specific chemical name and formula .    Note : As you h...

Q: Consider the proposed mechanism shown below for the reaction between nitrogen dioxide and carbon mon...

A:   Rate equation (or) rate law:  The equation which gives exact mathematical relationship between rat...

Q: nitrate, Ni(NO3)2 undergoes electrolysis in order to plate on a sink faucet requiring 2.00 hours usi...

A: Given,  Time(t)  = 2.0 hrs = 7200 seconds  Current(i) = 2.80 amp Faraday's constant(F)  = 96, 485 C/...

Q: The compound below is treated with N-bromosuccinimide (NBS) in the presence of light. Draw both reso...

A:

Q: 1. The strengths of an acid and that of its conjugate base are related: a) If the acid is strong, it...

A: The relationship between the acid strength and its conjugate base strength or strength of base and i...

Q: To fill a prescription, the registered pharmacy technician dissolves 1807mg of aluminum hydroxide in...

A: In order to solve this question, it is necessary to convert all the units to grams.

Q: 15.50 g of NH4Cl reacts with an excess of AgNO3.  In the reaction 35.50 g AgCl is produced. What is ...

A: Weight of NH4Cl = 15.50gm AgCl produced = 35.50 gm  

Q: The final step in water treatment is pH adjustment. If the pH is greater than 7, lime (which is a ba...

A:

Q: 2. Consider the five esters below with formula C.H 20:: (a) (b) (e) (d) (c) O Which is/are mad e fro...

A:

Q: A chemist performs a gravimetric analysis. The chemist combines 1.00 L of 2.00 M AGNO3 (ag) with 1.0...

A: Given, AgNO3 solution Molarity of AgNO3 solution = 2.00 M = 2.00 mol/L Volume of AgNO3 solution = 1....

Q: 3. In a solution containing H3O* ions at a concentration of 0.003 mol.L', what is the concentration ...

A: Given, [H3O+] = 0.003 mol.L-1 [OH-] = ? The formula used here are, pH = -log[H3O+] pH + pOH = 14 pOH...

Q: 8). Radioactive decay. Iodine-131 has a decay rate of 9.6% per day. The rate of change of an amount ...

A: a.) To find exponential function , we would integrate the given rate change equation .  b ) To calcu...

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.