Q: 6.24 Consider this reaction: 2CH;OH(I) + 302(g) 4H,O(1) + 2CO2(g) AH = -1452.8 kJ/mol
A: The given reaction is : 2CH3OH (l) + 3O2 (g) ---------> 4H2O (l) + 2CO2 (g) , ΔH = -1452.8 KJ/mol…
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A: The answer are as follows:
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A: 2PbS + 3O2 -------> 2PbO + 2SO2 Divided by 2 PbS + 3/2O2 ------> PbO + SO2 Multiply by 5…
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Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…
A: -> If ∆H =+ve => reaction is endothermic reaction. -> if ∆H = -ve => reaction is…
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A: Answer: We have to calculate enthalpy of formation of the given reaction.
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A: We are to balance the given equation __Agl+ __Na2S= __Ag2S+ __NaI We will use simple hit and trial…
Q: Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) 2HCl(g) AH-184.6 kJ Reaction 2: 20F₂(g) O₂(g) +…
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Q: Consider the following reaction Ca(s) + 2HCI(aq) --> CaCl2(aq) + H2(g) How many moles of CaCl, can…
A: 2 moles
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Q: 2Mg(S)+O2(g) →2MgO(s) a)-Formula and Description of the Substances b)-Balanced Chemical Equation…
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Q: Which one of the equations below is an exothermic reaction? A) CO2 (g) → C (s) + O2 (g) AH° = 394…
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A: The element which comes above hydrogen in the reactivity series can displace hydrogen from acids.
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Q: Making Calcium Sulfate: MgSO4 (aq) + CaCl2 (aq) -------> CaSO4 (s) + MgCl2 (aq) Given Data: mass…
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Q: 4. The reaction: 4 Al (s) + 3 02 (g) → 2 Al203 (s) ; AH° = -3351 kJ Is and therefore heat is by the…
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Q: Classify the following reaction • NaCl + AgF → NaF + AgCI O Synthesis (composition) reaction O…
A: Since we know that by Double Replacement Reaction , AB + CD → AD + CB
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A: Number of moles of reactent and Number of moles of products formed, Is totally depends on Balanced…
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Q: How much energy in kJ is required to decompose 765 g of PCI3, according to the reaction below?…
A: Given that, 4PCl3 (g) →P4 (g) + 6Cl2 (g) , ΔH°rxn = +1207 kJ i.e, 4mol PCl3 (g) →1 mol P4 (g) + 6…
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Q: How much energy in kJ is required to decompose 765 g of PC13, according to the reaction below?…
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Q: Consider these reactions: Reaction 1: H2(g) + Cl2(g) 2HC1(g) AH = –184.6 kJ Reaction 2: 20F2(g) →…
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Q: What are the significant concepts in chemical reaction? What are the major takeaways?
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- Which of the following statement are related to the reaction below? i. It is a process involve covalent bonds ii. Peptide bond links carbon of acid group to nitrogen of amine group iii. A typical organic molecule in this reaction are a basic amino group and an acidic carboxyl group iv. Consume water when each molecule held together by intermolecular bondsdrow the reaction..D. OXIDATION OF ALCOHOLS1. Place 1 mL of each of the following alcohols in separate clean test tubes: ethanol,benzyl alcohol and ethylene glycol.2. To each alcohol sample, add 2 mL of acidified potassium dichromate solution.Mix by shaking gently and observe any changes. Warm gently if necessary to startthe reaction.Record results in the table below.Alcohol Color changes observed Ethyl AlcoholBenzyl AlcoholGlycerol Equations for the oxidation of each alcohol:a. _________________________________________________________________b. _________________________________________________________________c. _________________________________________________________________E. FORMATION OF ESTERS1. To 2 mL of ethyl alcohol, add 1 mL of glacial acetic acid and 2 drops ofconcentrated sulfuric acid (CAUTION). Warm gently, then pour into a beakercontaining 20 mL of ice water previously made alkaline with sodium carbonatesolution. Stir well and note the…
- Some sulfuric acid is spilled on a lab bench. You can neutralizethe acid by sprinkling sodium bicarbonate on it and thenmopping up the resulting solution. The sodium bicarbonatereacts with sulfuric acid according to:2 NaHCO31s2 + H2SO41aq2¡Na2SO41aq2 +2 H2O1l2 + 2 CO21g2Sodium bicarbonate is added until the fizzing due to the formationof CO21g2 stops. If 27 mL of 6.0 M H2SO4 was spilled,what is the minimum mass of NaHCO3 that must be addedto the spill to neutralize the acid?Differentiate Precipitation and Agglutination reactions based on: Time duration of the procedure. Reactants involved. EXPLAIN EACH PLEASE THANK YOUExplain the meaning of “the reaction goes to less than 100% completion”
- Reaction of interest : S2O82-(aq) + 3I- (aq)→ 2SO42-(aq) + I3-(aq). rate= k[S2O82-]1[I-]1.Zn│Zn2+ (1.0 M)║Cu2+ (0.10 M)│Cu Ecell measurement .698 Reaction quotient, Ecell calculationThe reaction A(aq) + B(aq) C(aq) + D(aq) has a ΔHrxn = -85 kJ/mol. This reaction is endorthermic or exothermic . If the temperature of the reaction mixture is increased, equilibrium will shift towards the reactans or products. This change will decrease or increase the concentration of the reactants and K will increase or deacrease
- (a) What are the units usually used to express the rates ofreactions occurring in solution? (b) As the temperatureincreases, does the reaction rate increase or decrease?(c) As a reaction proceeds, does the instantaneous reactionrate increase or decrease?For the reactions: 2CH4(g)⇌C2H2(g)+3H2(g)2CH4(g)⇌C2H2(g)+3H2(g) ; Kc =0.170 mol2 L−2 at 1800 ∘C N2(g)+3H2(g)⇌2NH3(g)N2(g)+3H2(g)⇌2NH3(g); Kp =4.35×10−3 bar−2 at 291 ∘C∘C . Find Kp and Kc respectively for the reactions above.PbCrO4 is a common pigment called chrome yellow (or school bus yellow). It has a solubility of 1.71 x 10-4 g/L. The solubility product of PbCrO4, Ksp = ________. Enter the result in scientific notation to 1 decimal. e.g. enter 5.6x10-5 as 5.6E-5.