CO2 + H2O→H2CO3 → HCO3– +H+ → CO2– +2H This chemical reaction can produce 1) a small number of hydrogen ions 2) a large number of hydrogen ions 3) a high pH value 4) anoxia

Q: Q6/ 15 mL of 0.03 M Pb(NO3)2 is added to 20 mL of 0.2 M NaCl. Predict if precipitate of PbCl2 will…

A: If Qsp > Ksp then precipitate formation will takes place. We have,  Now, lead(II) chloride…

Q: How synthesis 3-methyl-butanol By using ethyene+probene

A: PREPARATION OF 3-Methyl- butanol:- The structure of 3-methyl butanol is:-

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Q: To what weight of AICI3 would 0.280 g of AgCl correspond? Atomic weights for Ag = 108, Cl = 35, Al =…

A: Molecular weight of AgCl = (108 + 35 ) = 143 g/mol  So, 143 g AgCl = 1 mol AgCl  1 g AgCl = 1/143 =…

Q: Calculate the pH of the amphiprotic salt NaHA.  Ka (H2A) = 0.0026, Ka (HA-) = 0.0000000077

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Q: Discuss the preparation of 0.25 M Hydrochloric acid (HCl) solution using 3.86 mL of concentrated HCl…

A: Here

Q: 7. 25.0 cm³ of a mixture of Na₂CO3 and NaHCO3 were titrated with a 0.10 mol dm³ solution of HCI. The…

A: Indicator used for titration of NaHCO3 is methyl orange while phenophthalein is used as an indicator…

Q: Balance the following nuclear reaction: 96 148 Ce O a. 58 O b. 151 Ce 58 148 Xe C. 58 O d. 148 Xe М…

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Q: Determine the number of atoms in a 1.00 mg sample of Carbon-14?

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Q: a. ENTROPY: Predict the sign of the change in entropy for the following processes. (Positive/…

A: 1. Decomposition of carbonic acid into water and carbon dioxide is associated with positive change…

Q: Determine the freezing point and boiling point of the solution. (Assume density of water = 1.00…

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Q: Use the References to access important values if needed for this question. Consider these compounds:…

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Q: What mode of chromatographic separation (RPLC, NPLC, HILIC, SEC, IEX) is best used for the…

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Q: The diagram (Figure 1) represents a high-temperature reaction between CH4 and H₂O. Figure i Part A…

A: Here as 2 moles CH4 reacts with 2-Moles H2O so there is no excess reagent is present,this we can…

Q: 1) The equation for the first law of thermodynamics is...... 2) If the volume of the system…

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Q: Drop of water was placed on a hot thin surface and covered by an upturned Petry dish. A cold metal…

A: Spontaneous process can be defined as the process that occur by itself without any external source…

Q: Identify the SOA and SRA Options for SOA: Fe2*, Cl-, H2O, H+, Na+, No3- + H+. Options for SRA: Fe2*,…

A: Reduction takes place at the cathode whereas oxidation takes place at the anode.  The chemical…

Q: Give systematic (IUPAC) name H₂C-Br IUPAC name: for each compound. CH, I H₂C-CH-CH₂-CH-CH₂-CH₂ -0²-…

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Q: 6.) Diethyl ether is a volatile, highly flammable organic liquid that is used mainly as a solvent.…

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Q: For the reaction bellow, find the mole fractions of all spices. If KP=0.1 A 2B + C

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Q: Please give me explanation (1 to 2 pages) about: What is PVDF membrane? What are the advantages of…

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Q: How many grams of bromo-3-methypentane are there in 0.250 litre of a 30.0 mM solution? Show your…

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Q: By calculating the osmolarity of each of the following solutions, which solutions can be used in…

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Q: Liquid temperature affects micropipette ACCURACY. Higher liquid temperatures DECREASE volume…

A: ✓Pipetting at a constant temperature can improve accuracy by up to 5 %. Allow time for equilibration…

Q: Q6/ 15 mL of 0.03 M Pb(NO3)2 is added to 20 mL of 0.2 M NaCl. Predict if precipitate of PbCl2 will…

A: Each Pb(NO3)2 forms 1 Pb2+(aq). Given the volume of 0.03 M Pb(NO3)2 or Pb2+(aq) added = 15 mL  Each…

Q: Q6/ 15 mL of 0.03 M Pb(NO3)2 is added to 20 mL of 0.2 M NaCl. Predict if precipitate of PbCl2 will…

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Q: Q1:- Find the external work done by the system in kcal, when 10 kcal of heat is supplied to the…

A: As per the rules only the first question can be answered First law of Thermodynamics states that ∆Q…

Q: A₂H₂(g) + 6x (g) -2 AX₂(g) + 6 HX(g) A and X are unknown elements. When the reaction given above is…

A: We need to determine enthalpy change for converting H3AO3 from solid to gaseous state.

Q: Name the two gases used in NMR spectrometer. What are their functions in the equipment?

A: NMR spectrometry allows the molecular structure of a material to be analysed by observing and…

Q: The mass of solid NaCl that must be added to 1.5 L of 0.10 M AgNO3 solution to precipitate all Ag+…

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Q: OH OH OCH₂ ii + H 1. DIBAL-H 2. H₂O* cat. H*A* excess NaOCH3 Br Br KCN HCN

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Q: minutes and Beak width inutes and Beak width 1/

A: Given: Retention time of peak A and B are (tR)A=13.17 min and (tR)B=13.3 min Width of the peak A and…

Q: Describe the preparation of I L of 5moll-2 HCL colution from concentrated acid/d=1019 g/m²: 37.500)

A: **As you have asked multiple questions, I am solving first question. Either resubmit other questions…

Q: Look at each process and decide wheather there is greater disorder after the change than before.…

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Q: Study Question - 1 How many grams of NaCl should be used in compounding 30 mL of 1% Naphazoline HCI…

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Q: Draw the Lewis and curves arrows to explain the electron transfer during the formation of the…

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Q: a. 50 mL ethyl alcohol, C₂H5OH (p=0.789 g/mL) is added to 50 mL of water to produce 95 mL of…

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Q: The space shuttle uses the following reaction to drive it's reusable rocket boosters. 3Al(s) +…

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Q: Calculate the solubility (in grams per liter) of magnesium hydroxide (Molar mass = 58.32 g/mol, Ksp…

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Q: Calculate the entropy change in surroundings when 1.00 mol of H2O (l) is formed under standard…

A: entropy change in surroundings ? Given  Standard condition  ΔfH = -286 kJmol-1

Q: Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741 Torr. the…

A: Given :  Temperature = 21.4 °C = 294.4 K  Atmospheric pressure = 741 Torr  Volume of gas collected =…

Q: Consider the gas phase reaction 2 NO + H₂ → N₂O + H₂O The experimental rate law is found to be R =…

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Q: Q6/ 15 mL of 0.03 M Pb(NO3)2 is added to 20 mL of 0.2 M NaCl. Predict if precipitate of PbCl2 will…

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Q: If radium-223 has a half-life of 10.33 days, what time duration would it require for the activity…

A: Here we are required to find the time for  activity of the  sample to decrease 1.5% of its present…

Q: Cadaverine is a naturally-occuring amine, formed by the decomposition of bodies. Cadaverine…

A: ->Bronsted acid is substance which can donate hydrogen ion and form conjugate base. ->Bronsted…

Q: Name each compound. CH₂CH3 CI

A: Write name of the given compound--

Q: Cite at least 2 liquid alkaloids which vaporizes upon exposure to air. Give their structure,…

A: Definition:- Alkaloids are a large class of organic, nitrogen-containing ring compounds of plant…

Q: Consider the following equilibrium, established in a 1.0 L flask at 20°C. Fe3O4(s) + CO(g) 3FeO(s) +…

A: In this question, we will see that the concentration of carbon dioxide increases, decreases or will…

Q: Does each equation with balance equation multiply by different number?

A: Recall the given redox reaction,                         Ch2+  +  ShO4-  ---->  Sh2+  +  Ch3+We…

Q: Calculate the higher heating value of liquid octane.

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