How much heat is required to raise the temperature of a 200 g piece of aluminium from 20.0°C to 50.0°C, taking the specific heat capacity of aluminium to be 0.215 1 cal = 4.184 J metal cal/g K

Q: Write a balanced equation for the following: 1. Mg | Mg2+ || Set | Sc 2. Sn Sn²+ || Pb²+ | Pb

A:

Q: For copper-calomel electrode E cell 0.09 V at 300K standard E calomel = 0.22V and for copper copper…

A: calomel electrode is used as reference electrode.Reference elctrodes have stable and well known…

Q: 5. With the help of the table of standard reduction potentials, Calculate the E of the reaction…

A:

Q: Write a balanced equation for the following by inserting the correct coefficients (if a coefficient…

A:

Q: Boiling points increase in the order HCl > HBr > HI because ________ contribute to the…

A: An intermolecular force is an attractive force that arises between the two or more molecules. There…

Q: etraphosphorus hexaoxide (M = 219.9 g/mol) is formed by the reaction of phosphorus with oxygen gas.…

A: Given -> P4(s) + 3O2(g) ----> P4O6(s)  Weight of phosphorus= 75.3 gm  Weight of O2 = 38.7 gm…

Q: Use the combined gas law to solve the following problems: 8) If I initially have a gas at a pressure…

A:

Q: Ethanol (C₂H₆O) is combusted in air according to the following reaction: C₂H₆O(l) + O₂(g) → CO₂(g) +…

A:

Q: in a Precipitation Titration of Cobalt Chloride lab Suppose you did not have any indicator…

A: The end point of the titration can easily observed by using indicators, which shows a sharp colour…

Q: (63.0 atm) X (338L) = (2.13×10¹ L) Pa = 1.0 GA+M Pa 7.00 atm V₂2 4) A tank of nitrogen has a volume…

A:

Q: [References] A solution was made by mixing glucose (C6H12O6) and water (H₂O). Given that the mole…

A:

Q: Problem 2.16 Which hydrogen in each molecule is most acidic? a. b. HO. OH NH₂ d. N NH₂ NH₂ OH CI OH

A:

Q: 11) Calculate the volume, in liters, occupied by each of the following: a. 2.00 moles of H₂ at 300.…

A: We will solve this problem using ideal gas equation

Q: 8. 12 P OPER NEN 20 icomms svig of GOD negen 57-71 noggen 89-10 ZORDRIN t) Assume Dr. Bork gives you…

A: Given in following question in question 8 molecule of sucrose calculate how many grams of sucrose.…

Q: KOH(s) + CO₂(g) → K₂CO₃(s) + H₂O(l) Calculate the mass in grams of KOH that will be required to…

A:

Q: Why must we prepare a buffer solution for a specific pH? Explain.

A:

Q: 12) Determine the number of moles contained in each of the following gas systems: a. 1.25 L of O₂ at…

A: We know that Ideal gas law is PV = nRT where P = PressureV = volume of the gas n = number of moles…

Q: "Reduction of Cr(VI) to Cr(III) is environmentally favorable as the latter species is not toxic to…

A:

Q: Hex-1-ene (C6H12) has a vapor pressure of 23.26 kPa at 23.5 ∘C and but-1,3-diene (C4H­6) has a vapor…

A:

Q: second- order reaction 0.54M-1 s-1 what is half-life of reaction if the initial concentration is…

A:

Q: Spodumene is processed chemically to convert it to a material having the percent composition 18.79%…

A: Given :  percent composition 18.79% Li  16.25% C 64.96% O

Q: Determine the Br- concentration in saturated solutions of AgBr and PbBr2. In which solution is Br…

A: Solubility product (Ksp) define product of ions soluble in its saturated solution. From literature,…

Q: When 1.92 g of iron reacts with 1.80 g of chlorine gas to make iron(II) chloride, 8.60 kJ of heat is…

A: Given, Mass of iron = 1.92 g Mass of chlorine = 1.80 g heat produced = 8.60 kJ

Q: Identify the Lewis acid and Lewis base in the given reaction *Sample problem: Hydroxyl + Rubidium…

A: According to the Lewis acid-base theorem; A Lewis acid is an electron-deficient species that accepts…

Q: Determine the volume of 0.223 M iron (III) chloride that is needed to completely react with 988.8 mL…

A:

Q: 4. Calculate the standard potential energy for this cell: 2Na(s) + Fe²(aq) ---> 2Na²+ (aq) + Fe(s)

A:

Q: 2. Methyhydrazine (N2H3CH3) is a common liquid propellant in rocket fuels. Calculate the AHO for the…

A: The given balanced chemical equilibrium is  N2H3CH3(l) + N2O4(l) → H2O(g) + N2(g) + CO2(g).…

Q: A piece of Al(s) at 94°C is placed in 65g of H2O at 26°C. The Aluminum cools and after equilibrium…

A:

Q: A volume of 500.0 ml. of 0.110 M NaOH is added to 585 mL of 0.250 M weak acid (K,= 8.02 x 10-5).…

A:

Q: A student titrated 28.32 ml of a 0.118 M HCl solution with a NaOH solution of unknown concentration.…

A: The reaction between acid and base to form salt and water is called as Neutralization reaction. In…

Q: 9) How many grams of the excess reagent are left over when 6.00 g of CS2 gas react with 10.C Cl2 gas…

A:

Q: Using the formulas in this lab module for various shapes, calculate the volume of a solid ball made…

A: The volume of a sphere of radius " r" is  V = (4/3)π r3  Given,  radius of the sphere made of…

Q: An analytical chemist weighs out 0.252 g of an unknown diprotic acid into a 250 ml. volumetric flask…

A: Given -> Weight of 0.252 gm  Volume of diprotic acid = 250 ml  Molarity of NaOH = 0.0500 M…

Q: Please answer the question as fast as you can. Thank you very much. An excited (not in ground…

A: The excited state electronic configuration of an ion is 1s22s22p63s23p54d1We have to select the…

Q: (b) H CH3 CH3 C=C CH3 O || C-CH3 H B-ionone

A:

Q: Example Q. Salicylic acid (pKa of 3.0). 1. What is the percentage of acid at a pH of 4.5? 2. What is…

A:

Q: Calculate the equilibrium constant of the reaction at 230.0 ∘C. Calculate the equilibrium constant…

A: Given thermodynamic data Substance ΔfH∘ (kJ mol−1) ΔfG∘ (kJ mol−1) S∘ (J mol−1 K−1)…

Q: 2. Draw structures corresponding to the each name. a. 5,6-dimethylhept-2-yne b.…

A: Rule to draw structure-1) First make carbon skelton by using parent name.2) Then after attached the…

Q: Predict the major product of the following reaction: (a) RCO,H?

A:

Q: Calculate ΔG° (kJ/mol) for the reaction below, given the thermodynamic data in the table. 1 C(s) +…

A:

Q: T₁ 27 Boyle's Law (pressure, volume) 3) Convert 338 L at 63.0 atm to its new volume at 1.00 atm.…

A:

Q: If the half-life of a chemical compound is 30 days under anaerobic conditions, determine the…

A: Given: Half life of compound = 30 days  The word half life shows that the compound is decomposed…

Q: Which of the following is a conformer of W? Bu A Me Pr Bu - ا Bu W Me Pr Me Pr Bu Me Pr Me Pr D Bu

A: Conformer is an isomer of a molecule that differs from another isomer by the rotation of a single…

Q: HNO3 has a formula mass of 63.01 g/mol. Concentrated nitric acid is 15.8 M and is 70.4% by weight…

A: Given: Molarity of concentrated HNO3, M1=15.8 MMolarity of diluted HNO3, M2=0.500 MVolume of diluted…

Q: Would you help me with the number 9 question? Also, can you show me the step-by-step and formula?

A:

Q: Kb = 4.68 X 10 -11 Na₂CO3 + H₂O NaHCO3 + OH- What direction (left/right) does the reaction…

A: Na2CO3 + H2O <---> NaHCO3 + OH

Q: Calculate the concentration of sodium sulfide that is left over when 0.167 L of 0.86 M Na2S is added…

A:

Q: Examine the following compound and rank the indicated hydrogens from most acidic to least acidic.…

A:

Q: metallic element, M, has a face-centered cubic lattice structure as a solid. If M has an atomic…

A:

Q: Select the compound(s) that would only have a singlet in its 1H NMR spectrum. CH3-CH3 A B Br C D

A: we have to select the compounds that will produce a singlet only in 1H NMR spectra