For the compound with the chemical formula MnS2, what is the charge from one Mn cation? No charge, since MnS2 is molecular rather than ionic -4 +2 +1 +4

Q: n addition to burning, what issues do fossil fuels cause in the environment? Provide examples. How…

A: Answer - Fossil fuels - Fossil fuels are made from decomposing plants and animals. These fuels are…

Q: What is the final temperature (in °C) of 940.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

A: Given,  The final temperature (in °C) of 940.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

Q: a. Complete the following reversible reaction and draw the mechanism for the formation of the…

A: NaOEt is a conjugate base of very weak acid EtOH. Hence NaOEt is a strong base.  HC6H8OCOOEt is a…

Q: 冰 26.0 cm What is the pressure of the gas contained in bulb C? (Specify units-- your choice of torr,…

A: We know that, atmospheric pressure will be equal to 760 torr that is Patomspheric 1cm =9.9torr So…

Q: A technician used a section of glass tubing to measure the density of   a liquid. The inside…

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Q: In the following reaction, which element in what species is oxidized? Au(NO₃)₃ (aq) + 3 Li(s) →…

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Q: 2. Consider the reaction of cyanide ion (CN) with water, where cyanide ion is either a weak acid or…

A: Weak acids or weak bases  have low degree of dissociation.

Q: please name the following compounds and their functional groups. 1. 2. H 3.

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Q: Predict the sign, + − or 0, of ASº for each of the following reactions a) Oxygen gas and nitrogen…

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Q: Balance the following redox reaction using the change in oxidation number method: Zn + 2HNO3 ==>…

A: We have to balance the equation  Zn + 2HNO3 ==> Zn(NO3)2 + NO2 + H2O

Q: Chemistry Draw these components semi-developed a) pentan-2,3,4-trione b)heptyl ethanoate c)…

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Q: A1. The Swern oxidation is a useful functional group transformation in organic chemistry. Give the…

A: Swern oxidation is the most useful reaction to convert an allylic alcohol into an α-β unsaturated…

Q: I. Identify the substance being oxidized and the substance being reduced in each reaction. 1. 2H2 +…

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Q: Identify the characteristic seen in the mass spectrum when there is a nitrogen in the compound.…

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Q: Draw one of the possible dipeptides that could be formed between serine and lysine. Add charges to…

A: Here we are required to draw the structure of dipeptide at neutral pH

Q: What is the mass in grams of 5.36 × 10²⁵ molecules of I₂?

A: Given, number of molecules of I2 = 5.36 × 1025 molecules  mass of 5.36 × 1025 molecules of I2 = ?…

Q: S + 6 HNO3 --> H₂SO4 + 6 NO2 + 2H₂O In the above equation how many moles of H₂SO4 can be made when…

A: given, moles of HNO3 = 46 moles

Q: оно A `OSO2CF3 + CH3OH в Д C

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Q: 1. A solution is prepared by dissolving 4.00 g of NaOH in 100.00 g of water. The volume of the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 7. (a) Use 2-D structural formulae to illustrate the two geometric isomers of pent-2-ene. Label each…

A: #7.(a): Pent-2-ene forms geometric isomerism(cis/trans) due to restricted rotation around the-C=C-…

Q: a. Determine the hybridization state of both nitrogen atoms in this molecule: Qey B b. Which of…

A: Hybridization is defined as mixing of orbitals so as to rehybridize to form new set of orbitals…

Q: Draw a hypothetical TLC chromatogram of anisole and p-methyl propiophenone in normal phase silica…

A: Given:- We have to draw TLC chromatogram of anisole and p-methyl propiophenone in normal phase…

Q: 2 NH3 + 3 CuO g 3 Cu + N₂ + 3 H₂O In the above equation how many grams of N₂ can be made when 150…

A: The given balanced chemical equation is: 2NH3 + 3CuO → 3Cu + N2 + 3H2O The required mole ratio is: 1…

Q: A current 0.25 A exits in a 60-ohm lamp. The potential difference is

A: Potential difference= current x resistance

Q: How many liters of CO2 form from 28 g C2H4 and excess O2 at 1.0 atm and 25 °C? C₂H4 +302 → 2CO2 +…

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Q: Which of the following is TRUE for the disaccharide below? Select one: O a. It is composed of two…

A: 1) yes its composed of two different disaccharides because the two monosaccharides units are…

Q: is the stereocenter S

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Q: 2CH3CH₂ + Pb2+. SH

A: Thioalcohols react with heavy metals like Pb2+ to form insoluble compounds.

Q: trial #a It was 64.8 Determine the molality of each unknown solution, using Kr = 4.50 °C/m for…

A: As per Bartleby guidelines, I am allowed to answer one question at a time. Please re upload the…

Q: What is the oxidation number of sulfur in the polyatomic ion SO32-?

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Q: In the titration of 90.0 mL of hydrochloric acid, it requires 83.2 mL of 0.25 mol/L calcium…

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Q: Complete the diagram of the mechanism of a general enzyme-catalyzed reaction. The abbreviations E,…

A: Detail description is given below

Q: Explain the chemical process for determining when all the methyl anthranilate is converted to…

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Q: At which pH would the structure shown be predominate? H₂N-CH-C + H pH 1 pH 3 pH 8 pH 11 0=0 O

A: we have to determine the pH at which the structure shown will predominate

Q: 44. What volume of HCl gas reacts completely with excess zinc metal to produce 2.46 L of H₂ gas at…

A: The ideal gas equation shows the relation between pressure, volume, no of moles and temperature.

Q: Based on your own understanding, describe why an increase in concentration can result in a change in…

A: Rate of the reaction is the rate of change of concentration with respect to time .

Q: 14. What is the pH of a mixture of 0.20M acetic acid and 0.30M sodium acetate, if the pKa of the…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: 2. Water is the universal solvent. A. Why is water considered the greatest solvent on Earth? B. Draw…

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Q: O + NAOMe

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Q: For the reaction C + 2H2 → CH4, how many moles of hydrogen are needed to make 170.6 grams of…

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Q: Which of the following is FALSE about the reaction below? +0₂N NH₂ Select one: Oa. It is initiated…

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Q: Calculate the boiling point of a solution of 86.3g ethylene glycol (C2H6O2) in 143.2g of water.…

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Q: In each of the following substances NaH, H2 and H2S , hydrogen is assigned an oxidation number of…

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Q: 2. At 500 K, butadiene gas converts to cyclobutene gas. CH₂ ·| CH₂=CH-CH=CH₂ CH₂ -CH From the…

A: The conversion of butadiene gas to cyclobutene is purely first order reaction. The rate of decrease…

Q: The given dipeptide is Ala-Ser. Indicate the charge state for each structure at the given pH by…

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Q: What is the most probable velocity of the SO2 molecule at 299 K?

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Q: How much phenyl magnesium bromide (Grignard reagent) will be formed with bromobenzene starting…

A: Alkyl magnesium halide is known as a Grignard reagent. The general formula of the Grignard reagent…

Q: Draw the structure of the product of the reaction between the compound shown below and H₂SO4.…

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Q: Identify the oxidizing agent and the reducing agent in the following reaction: Cr2O3(s) + Al(s) >…

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Q: Choose the correct answer and briefly explain yo a. The most reactive alkyl halide in a E1 reactio…

A: Here we are required to compare the compound towards a Particular reaction pathway .