If 30.0 g H20 at 85.0°C is mixed in a coffee-cup calorimeter with 15.0 g H20 at 20.0°C, what is the final temperature (in °C) of the mixture? For this item, use 4.18 J/g-°C as the specific heat of the water.

Q: H2SO4 + 2 KOH→ 2H2O + K2SO4; A) Determine the moles of KOH needed to react with 5.5 moles of H2SO4.…

A:

Q: The standard reduction potentials (E®) for the following half reactions are given. Oxaloacetate +…

A: We would check given standard reduction potential value of given half reaction to determine…

Q: Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

A: Given data : Required equation: Caco3(s) -------> CaO(s) + CO2(g)  ∆H° = ?

Q: A solution was made and its absorbance was measured to be A. If the path length of the light passing…

A: Absorbance is quantity of light absorbed by  solution. We use Beers Lambert la to calculate quantity…

Q: Containing a Single unkown Solution is added to 3. test tubes Calion following added and The anions…

A: To predict the cation , we would use solubility rules to check which cation form insoluble Compound…

Q: Which statement is true concerning the two carbocations formed by the protonation (attachment of an…

A: Given that, Two carbocations(primary carbocation and tertiary carbocation) formed by the protonation…

Q: Determine the correct coefficient for NaCl (aq) to balance the following chemical equation : BaCl2…

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both…

Q: Using the table of the weak base below, you have chosen Ethylamine as your weak base in the buffer…

A: Given: Buffer solution of weak base ethylamine (assuming B) and its conjugate acid HB+. pH of…

Q: Given the rate constant, k, for the decay of a radioactive substance, how would you find the…

A: Given :- rate constant for decay of radioactive substance = k  To find :- half-life (t1/2)

Q: In the electrochemical system, what is being described by the following? positive electrode A.…

A:

Q: A chemical engineer is studying the following reaction: HCH;CO,(aq)+CH,NH,(aq) → CH,CO,(aq)+CH,NH…

A:

Q: upvote

A: According to the question, we need to determine whether the statement is true or false.  Statement…

Q: Draw the major product of this reaction. Include stereochemistry if applicable. Ignore byproducts.…

A: We have to predict the product of the reaction.

Q: (e) Pressure has little effect on the solubility of liquids in liquids. (f) Pressure has a major…

A: Henry's law= which states that the solubility of a gas in a solvent is directly proportional to the…

Q: What is the percent yield of CO 2 if the reaction of 10.0 grams of CO with excess O 2 produces 12.27…

A:

Q: For the aqueous Cd(CN), complex K, = 6.03 x 108 at 25 °C. Suppose equal volumes of 0.0040M Cd(NO,,…

A: We have to predict the equilibrium concentration of aqueous cadmium ion.

Q: Chemistry 1.Predict the IR signal in the 1-bromo-3-ethylbenzene. (Approximate wave number for each…

A:

Q: Chloroform, an important solvent, is prepared by the chlorination of methane at 721 K. CH4(g) +…

A: Chlorination of methane is given by CH4 (g) + Cl2 (g) → CH3Cl (g) + HCl (g) Temperature, T = 721 K…

Q: solubity use olubity rules predict Whether Or not a double - replacmant reaction w. I! OCcur between…

A: The compounds given are AgNO3, KClO4 and NH4Br.

Q: What is the correct IUPAC name for the following compound? CH3- CH- CHz-CH-CH-CH3 CH3 OH

A: Rule of IUPAC- 1) Longest chain as parent chain. 2) Numbering start from those side where more prior…

Q: Question 1 Determine which reaction is being described by the statements below? Gain of electron A.…

A:

Q: %3D HO

A:

Q: The standard cell potential (E°cell) for the voltaic cell based on the reaction below is __________…

A: According to question, the answer must be 1.10 V but none of the option is 1.10 V. The solution…

Q: Using the table of the weak base below, you have chosen Ethylamine as your weak base in the buffer…

A: Given: Concentration of salt= 0.52 M pH of buffer solution = 10.1 Kb of ethylamine = 5.6×10-4

Q: xsH2O CH2=CH-SIMECI2 A heating xsH20 HSİMECI2 H2SO4

A: Product A is formed by the reaction of vinylmethyldichlorosilane with excess H2O. Product B is…

Q: Under which of the following situations does the equilibrium constant of a reaction, K, change? O K…

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

Q: How do you call the energy that is produced due to the flow of electrons in REDOX reaction?…

A: To explain: How do you call the energy that is produced due to the flow of electrons in the REDOX…

Q: How many molecules are in 0.200 g CO2? C= 12.01 g/mole and O = 16.00 g/mole

A:

Q: Determine the cell diagram for the reaction below. Assume platinum electrodes are used when no other…

A:

Q: Which of the following alcohols reacts fastest with HBr to give the corresponding alkyl bromide…

A: a) Methanol : When HBr react with methanol then it's produces carbocation via SN1 mechanism and this…

Q: The equilibrium constant (K,) for the reaction PCI, (9) + Cla (9) PCI, (9) equals 49 at 230°C. If…

A: Given data :

Q: Quéstion 8 Find the AH (in kJ) for the reaction below, given the following reactions and subsequent…

A:

Q: Question 12 Given the reaction: Cu + Ag+ - Cu+ + Ag The reacxtion is is assumed to be that…

A:

Q: medical technician is working with the four samples of radionuclides listed in the table below.…

A:

Q: ccording to Zaitsev's rule, the major product of an elimination is the, substituted alkene. O most D…

A:

Q: -CH;CHCH;CHCH;CH- The segment represents the polymer named Multiple Choice polypropylene.…

A: The given segment represents the polymer = ?

Q: Question 12 Given the reaction: Cu + Ag+ - Cu+ + Ag The reacxtion is is assumed to be that…

A:

Q: Formula Name Ionic or Covalent? Magnesium iodide Al203 K25 Tetrasulfur tetranitride PCI3 Iron (III)…

A:

Q: HBr GA) Br2 но 1.) вн, / THF 2.) Н,0, но H,SO, H20

A:

Q: Given the following list of lonization Energies for an unknown element, how many valence electrons…

A: Ionization energy is the energy required to remove electron from valance shell of an atom . If the…

Q: In a particular reaction, reactants A (M = 10 g/mol) and B (M = 24 g/mol) react to form product C (M…

A:

Q: Question 12 Which of the following alkenes (a-c) reacts faster with HI? (a) (b) (c) (d) all react at…

A: More substituted alkene are the more reactive towards the HI because of hyperconjugation.

Q: Hexamethylenediamine (C6H16N2) is one of the starting materials for the production of nylon. It can…

A:

Q: Questión 41 Consider the following molecule: How many pi bonds are contained in this molecule?…

A:

Q: Question 32 Give the IUPAC name for the major product of the following reaction. + HBr →

A: we need to predict major product of reaction and write its IUPAC name

Q: Write the methodology of this reaction  Al + CuSO4 | Aluminum + Copper (II) Sulfate

A: methodology of this reaction => There are three steps involved in writing a chemical equation.…

Q: The name of compound (2) is

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: What is the daughter nucleus produced when Cu59 undergoes positron emission?

A: when positron emitted proton changes to neutron

Q: Samples of the following isotopes in pure form, each containing the same number of atoms, are taken.…

A:

Q: The following molecule is treated with NaOH. What types of products will be produced? Check all that…

A: