Where do ions in soil come from? (A organic matter B rain weathering of parent material D all of the above

Q: 1. Calculate the pH of a pyridine buffer that contains 500.0 mL of 0.4214 M pyridine and 500.0 mL of…

A: Here we have to determine the pH of 500 ml solution containing 0.4214M and 0.4082M pyridinium . Kb…

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A: Reaction 1 : 6 pi electrocyclization and dis rotation is favored under thermal conditions. Reaction…

Q: 15. Draw the Fischer projection structure for D-Mannose.

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

Q: At 20 °C, the following concentrations were found for the gases in an equilibrium mixture for the…

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Q: A 0.182 mol sample of 0, gas is contained in a 7.00 L flask at room temperature and pressure. What…

A: Number of moles of O2 gas = 0.182 mol  Volume = 7.00 L  Density of the sample (in g/L ) = ?

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Q: Pesticide residues were found in a lot of oranges; the compound identified was the epoxide of…

A: Given data:

Q: At 725 K, AG° = -21.6 kJ/mol for the reaction A (g) + 2 B (g)3 C (g). If the partial pressures of A,…

A: Given temperature is 725 k

Q: s per the Markovnikov's rule, if HX was used as the reagent, where would the YDROGEN prefer to go?…

A: -> Addition of HX to alkene proceeds through formation of carbocation and nucleophilic part…

Q: At a certain temperature, the reaction 2HF(g) H2(g) + F2(g) has K = 1.2 × 10-13. Does this reaction…

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Q: Question 15 Equal volumes of standard are pipetted into each volumetric flask. O True False

A: This question can be answered on the basis of constant volume standard addition method as:

Q: Consider the following reaction: 4 A(g) + 3 B(s) → 2C(s) It takes 2.00 L pure gas sample A at T=298…

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Q: lling liquid having a boiling point of 101°C was subjected to IR Spectroscopy to determine termine…

A: Solution: For any organic compound we can find the structure from the spectroscopic information…

Q: If the hot solution is supersaturated with the compound, as the solution cools, it may enter a…

A: The supersaturated solution is formed by the dissolving a higher amount of solute than the required…

Q: A pleasant-smelling liquid having a boiling point of 101°C was subjected to IR Spectroscopy to…

A: Given that, the molecular formula of the compound is C6H12O2. Also, the IR spectra of the compound…

Q: Suppose that 15M of Naci solution with a volume of 15L is heated and loses 2000ml of water content.…

A: 1) In the process of heating the amount of moles remains same .  Number of moles are given by =…

Q: The following mechanism for the gas phase reaction of nitrogen dioxide with carbon monoxide at…

A: The slowest step of the reaction is rate determining step.  Catalyst overall does not participate in…

Q: Compute for the water activity of a bottled beef rendang containing 15g salt and 275g of water.…

A: Assuming the solution to be ideal, the water activity is equal to the mole fraction of water in the…

Q: write a balnced chemical reaction to synthesize this compound via fischer esterification

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Q: Which of the following best exhibits hydrogen bonding? Explain your answer. H.Se CH. NH3 HB

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Q: Draw the major organic products for this reaction. Show stereochemistry in your structures. Then in…

A: Syn Hydroxylation of alkene :

Q: Carboxylic acid contains -OH and a C=O. a True b False

A: Carboxylic acid contains -OH and a C=O.

Q: In general, acidic organic compounds are soluble in bases and basic organic compounds are soluble in…

A: According to the concept , like dissolves like . Polar solute dissolves in polar solvent where…

Q: which are electron-withdrawing? A. Structures 1, 2 and 4 B. Structures 2, 3 and 5 C. Structures 2,…

A: Ques.1a. in structure 3 there is a steric hindrance between the hydroxy functional group and the…

Q: BALANCING REDOX REACTIONS USING THE CHANGE IN OXIDATION NUMBER METHOD     1. PbO + NH3  >  Pb + N2 +…

A: Given reaction is :  PbO + NH3  >  Pb + N2 + H2O What are the two elements that changed its…

Q: The age of wine can be determined by measuring the trace amount of radioactive tritium, ®H, present…

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Q: Nitrogen-13 is used in tracers injected into the bloodstream for positron emission tomography (PET).…

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Q: Comparing a straight-chained and branched alcohol with the same number of carbons; the branched…

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Q: What is the %composition of the Vitamin E peak in the sample? 20.01% 21.57%

A: To calculate % composition of vitamin E in the sample.

Q: Pulmonary surfactant, a substance critical for allowing the lungs to fully inflate, is made of this…

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Q: Arrange the following sets of organic compounds according to decreasing solubility in water   I.…

A: Alcohol can be defined as an organic compound in which carbon atom is attached to hydroxyl group.

Q: What is the IUPAC name for the following compound? CI 4-ethyl-3,5-dimethylhexanoyl chloride O…

A: First identify functional group. Choose longest carbon chain. Numbering of molecule. Position of…

Q: At constant temperature, a sample of a gas occupies 7.9 L and 760 mmHg. What will be the volume at…

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Q: Consider the reaction 2N,O5(g) =4NO2(g) + O2(g). at 25°C for which the following data are relevant:…

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Q: 3. The Statue of Liberty consists of copper plates on an iron skeleton. The statue was recently…

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Q: Which of the nine anions will form a gas when reacted with 3 M sulturic acid? so, O co, PO, NO, M…

A: This question can be answered on the basis of qualitative analysis of cations and anions.

Q: Which of the following transformations represent an increase in the entropy of the system. Choose…

A: In both these questions we have to choose the option which represents ∆S°>0 i.e. an Increase in…

Q: The aminolysis of acetic anhydride will produce aniline and ammonia as major products. True False

A: False ( Aminolysis of acetic anhydride produces amide and ammonium acetate).

Q: Question 21 An unknown sample of Cu2* gave an absorbance of 0.262 in an atomic absorption analysis.…

A: Beer's law states that the absorbance is directly proportional to the concentration of the absorbing…

Q: Lactic acid is mainly produced in muscle cells as an alternative source of energy. Determine the pH…

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Q: Propyne can be used as starting material for synthesizing hexane. (2 H-CEC-C-H CH3 3 CH3 H3C Hc-C=C-…

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

Q: of the following molecules will undergo intramolecular hemiacetal formation under acidic conditions…

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Q: 1.75 x 1023 atoms Pb converted to grams

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Q: Jsing the figure below, match the name of the parts of Flame Atomic Absorption Spectrophotometer…

A: The parts of the flame atomic absorption spectrophotometer is 1 - A. Hollow cathode lamp

Q: Assume that a 1-L solution contains 35g of potassium chloride (MM: 74.6 g/mol). Compute for the…

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Q: Many metals will corrode or tarnish i.e. they react with oxygen or moisture in air to form a layer…

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Q: What will the new equilibrium concentrations be if 0.021 mol NO and 0.021 mol SO3 are added to the…

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Q: A colorless solid that melts at 103 to 105 C was subjected to IR Spectroscopy to determine the…

A: C5H11NO (DBE = 5- (11-1/2)+1 = 6-5 = 1. The compound is primary amide. Therefore the compound is…

Q: Which among the following compounds has the most electronegative carbon in structure? a.…

A: 1) The compounds has the most electronegative carbon in structure is

Q: 6. For each numbered step in the qualitative analysis scheme in number 5 above, type all net ionic…

A: When we are constructing net ionic equations, we have to keep few points in our mind: Only salts in…