Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.3620 mol H2S burns to produce SO2 (g) and H20(g), -187.5 kJ of heat is released. What is this heat in kilocalories?

Q: a. Draw the Lewis StruUcture of the following molecules. b. Write the Electronegativity Configuratio...

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Q: Draw the structure of the major organic product(s) of the reaction. H20 CI • You do not have to cons...

A: Answer of the question given below, 

Q: Discuss all the principles that can be used to facilitate acylation reactions. b) Why do aldehydes a...

A: (a) Answer - According to the question - Given - Acylation is the process of adding an acyl group t...

Q: A sample of ammonia goes through a temperature change of +39.63 °C while absorbing 603.9 joules of h...

A: Given, Temperature change (∆T) = 39.63 °C Amount of heat absorbed (Q) = 603.9 J Specific heat capaci...

Q: If 100 ml of a solution contain a mixture of 0.158 g KMnO4 and 0.490 g of K2Cr2O7,  a. What is the n...

A: Given that 100 ml of a solution contain a mixture of 0.158 g KMnO4 and 0.490 g of K2Cr2O7. Molecular...

Q: a. Draw the Lewis Structure of the following molecules. b. Write the Electronegativity Configuration...

A: Here, we have to draw the Lewis structures for CrO42-, CH3COO-, and C2O42-. Also, we have to write t...

Q: Please neatly show the mechanism and the balanced equation for the addition of NaBH4 to benzil in a ...

A: To show the balanced equation and for reduction of benzil by NaBH4.

Q: The protein catalase catalyzes the reaction 2H,0, (aq) – 2 H,O(0) + 0,(g) and has a Michaelis-Menten...

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Q: 0.356=44.032.0x+88.046.0(0.220−x) This question is for chemistry. I'm not sure how to solv...

A: In this question, we have to solve the given equation to find the value of x. 0.356=44.032.0x+88.046...

Q: is cyclohepta-2,4,6-trien-1-ylium aromatic ?

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Q: Methyl bromide is widely used as a fumigant to prevent the spread of diseases and pests in agricultu...

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Q: What is the pH of a buffer produce by mixing 0.1330 mole of HN 3 with 0.1396 mole of LiN 3 and dilut...

A: Given, moles of acid (HN3) = 0.1330  Moles of conjugate base = 0.1396

Q: PROBLEM 1: Determine the molar solubility of silver bromide in a. Water b. 6.0 x 10-2 M silver nitra...

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Q: I. In the Henderson-Hasselbalch equation, the pH is equivalent to the pK, if the ratio of moles of c...

A: pH of solution is defined as negative logarithm of hydrogen ions in the solution. pH means power of ...

Q: Planning A Grignard Synthesis: (1) Identify the Degree of the Alcohol (2) Identify the Carbonyl Func...

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Q: O STATES OF MAT Using the combined gas law For many purposes we can treat ammonia (NH,) as an ideal ...

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Q: What must be the concentration of SO 4 2− to just start precipitation of SrSO 4 from a solution whic...

A: Given, the Ksp of SrSO4 = 3.200×10-7 We have to calculate the concentration of SO42− to just start p...

Q: Is Non- biologic DMARDs an endogenous substance? If yes, discuss its control of release , biosynthes...

A: A traditional DMARD is usually a pill, taken orally. Biologics are made up of proteins and are deliv...

Q: CHCH3 CH=CH2 CH3 CH3 A C Which of the alkenes above is the least stable (highest in energy)? Which i...

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Q: Unknown Analysis: Calculate the mass spec. of 88g per mole. (show calculations and formulas) Below i...

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Q: Br2 КОН 1. Na HNO3 Fe 2. EtBr H2SO4 HCI heat FeBr3

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Q: 1a) If the concentration of CO(g) is increased, which way would the equilibrium shift? a) to the rig...

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration t...

Q: Synthesize pyrrolidin-2-yl-methanol from pyrrole. For this you need 4 reactions (A, B, C and D). Wri...

A: The three important steps for this synthesis of desired compound involves insertion of CHO group at ...

Q: What are the accompanying changes of: A. Iron rusting B. Burning wood C. Cooking an egg D. The expl...

A: There are two types of changes in the universe- physical change and chemical change.

Q: hilic addition reaction with HCI to produce the corresponding tertiary alkyl

A: Organic reactions are those in which organic reactant react to form organic products. 

Q: Sulfurous acid (H2SO3) is a diprotic acid with ?a1=1.39×10^(−2) and ?a2=6.73×10^(−8). Determine the ...

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Q: Predict whether AS for each reaction would be greater than zero, less than zero, or too close to zer...

A: Entropy (ΔS) is the degree of disorderness.  Increasing order of entropy,      solid   <    liqui...

Q: b. Describe two properties you would predict for propanone. Justify your answer using your understan...

A: Answer - According to the question Two properties of propanone - 1.Propanone (acetone) is one of the...

Q: CH, CH=CHCH(C1)CH3

A: Four stereoisomers are shown below;  

Q: Selected acid base/base pair: Propanic Acid (CH3CH2COOH) / Sodium Propanoate (NaCH3CH2COO) with Ka =...

A: Ka of propionic acid = 1.4 x 10-5 Propionic acid is weak acid and sodium propionate as conjugate bas...

Q: 3. Draw a complete mechanism for the following transformation: NAOH, heat

A: ->In presence of base there occur Robinson annulation (1->michael addition 2- Aldol condensati...

Q: NaOH, ETOH

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Q: 3. A solution that may contain any of the group III cations. Treatment of the solution with CIO in a...

A: Group 3 cation involve Cr3+, Al3+ , Ni2+ and Fe3+.

Q: In order to prepare 150.00 mL of 0.04% bromthymol blue (BB) solution from a 2.00% stock BB solution,...

A: Given:  Stock solution of bromthymol blue = 2.00%  Solution to be prepared = 0.04% Of BB 150 mL  To ...

Q: PROBLEM 3: A chloride ion is added in a solution containing 4.144g/L of Pb*+ and 1.088g/L Ag*. Deter...

A: Here chloride ion is added to a solution containing 1.144g/L of Pb^+2 ion and 1.088g/L of Ag^+ . We ...

Q: A 2.0 L solution contains 1.0 mol of sodium formate (NaCHO,). What is the pH of this solution after ...

A: Henderson - Hasselbach equation is used to calculate the pH of buffer solution .  pH = pKa + log[Con...

Q: che following reactions? CH;NCH3 CH3 1. HO H,SO4, с. + CH3I 2. H2C=0 3. HCI CH3 + PCI3 f. + CH;CH,MG...

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Q: A buffer was made by mixing 0.1500 moles of HOBr with 0.1296 moles of NaOBr and diluting to exactly ...

A: In the given buffer solution , HOBr is a weak acid and NaOBr is salt of conjugate base of HOBr.  Fir...

Q: ÇH,CH, CH, CH,CH,CCH,CH,CHCHCH,CH,CH, CH,CH, CH,CH, d. CH,CH,C(CH,CHaCH(CH)CH(CH,CH,CHa2

A: IUPAC RULES FOR NAMING AN ORGANIC COMPOUND:  1. The longest possible continuous carbon chain is sele...

Q: stoichiometry

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

Q: 1. 10, 2. SO,2- 3. CIO,

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Q: Ammonia and oxygen react to form nitrogen and water, like this: 4NH, (g)+30,(g) - 2N,(g)+6H,O(g) Sup...

A: Given:- Here we have to think about the concept of Le-Chatlier's principles which are used to expla...

Q: The reaction below is called a dehydration reaction. Draw the major organic product. Do not draw ino...

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Q: Same reaction as previous question. Which statement(s) is(are) true concerning the rate-limiting ste...

A: We have to predict the correct statement regarding rate limiting step.  

Q: temperature

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Q: NalO, + 6 HI ------> 3 l, + Nal + 3 H,0 Calculate the number of moles and the number of grams of iod...

A: Solution - According to the question - Given - Molar mass=197.89 No: of moles=16.4/197.89=0.0828 so ...

Q: A certain first-order reaction A B is 25% complete in 42 min at 25°C. What is the half- life of the ...

A: Given: The time required for the completion of 25% of a first-order reaction = 42 min We have to cal...

Q: Draw a Newmann projection for the most stable conformation of the following molecule looking down th...

A: Stereochemistry is branch of chemistry in which we deal with arrangement of atoms in molecule in thr...

Q: In the synthesis of B, two consecutive reactions are required that start from the furan to obtain A ...

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Q: A supersaturated solution of sodium chloride is prepared by heating it and letting it cool slowly. M...

A: Solubility of a gas is inversely proportional to temperature, so when temperature increases solubili...