The enthalpy of solution for potassium perchlorate - KCIO4 is +51.04 kJ/mol. How many grams of potassium perchlorate must be added to 300.0 mL of water in order to cool it from 21.0°C to 4.50°C?

Q: 3. Would it be possible to convert cyclododecanone (2) to cyclododecanol (1)? If so, what type of…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

Q: Calculate the percent change in lead concentration that occurred from 2000 to 2016 with the…

A: To find: Percent change in the concentration from 2000 to 2016.

Q: Iron has a density of 7.9 g/cm3. What is the mass of a cube of iron with the length of one side…

A: ⊙ we know,   Density=massvolume⊙volume of cube-(edge length)3

Q: Consider the following reaction at equilibrium. Which phases are involved in the value of the…

A: The equilibrium equation for the given chemical reaction is shown below where concentration of the…

Q: Pls

A: Equillibrium constant is the ratio of concentaration of products to the concentration of reactants.

Q: 4.21. Can non-pV work be obtained from a process for which AG = 0? Explain.

A: Non-pV work can be obtained from a process for which ΔG=0.

Q: Which statement is TRUE? The vapor pressure of a liquid substance a. decreases as the temperature of…

A: The vapor pressure of the liquid is the pressure exerted by the vapor on the walls of the closed…

Q: For a reaction aA+bB cC + dD the equilibrium constant K is defined as the ratio of products to…

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Q: Which combination of protons, neutrons, and electrons is correct for the isotope of copper O A. 29…

A: Atomic number of an atom is equal to the number of protons present in it or the number of electrons…

Q: Which pair of elements would you expect to exhibit the greatest similarity in their physical and…

A: Periodic table represents the systematic arrangement of elements in which the properties of these…

Q: Dinitrogen pentoxide decomposes according to the reaction 2N2O5 (g) → 4NO2 (9) + O2(9) At 45°C the…

A: Rate determining step is a step which is the slowest step of the reaction and the reactant involving…

Q: Which of the compounds below has a pka that most closely matches the pka of butanethiol? O…

A: pKa  It is the value with which the acidic strength is determined. pKa=-log(Ka) Lower the value of…

Q: Draw two Lewis structures of the vinyl acetate. Between these structures, identify and label areas…

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Q: . Identify the Bronsted-Lowry “acid", “base", “conjugate acid" and the “conjugate base" in the…

A: INTRODUCTION: Substances which donate H+ ion in solution are acids and the species that formed by…

Q: 22. Many properties of nanoparticles are significantly different than the corresponding bulk…

A: The answer stated that the properties of nanoparticles are significantly different than the…

Q: For the reaction 2A + B → C, the rate law is found by experiment to be rate = k [A][B] What are the…

A: Given: The reaction: 2A + B → C Rate = k [A][B]   Rate of reaction with respect to A is 1 and with…

Q: Calculate AH for the combustion of one mole of propane gas, C3 Hs, assuming H2O(1) is produced…

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Q: Consider the equilibrium reaction 2N2(g) + O2(g) = 2N2O(g) In a particular experiment, the…

A: In a reaction at equilibrium, the Kc is equilibrium constant which is expressed as the ratio of…

Q: (a) Describe and explain the trends of the boiling points of halogens down the group. (b) Describe…

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Q: The rate constant for the reaction PCl3 (g) + Cl2 (g) → PCl5 (g) is 1.3 x 103 M/min at 515 K, and…

A: Given, Reaction is,                                   The rate constant for the reaction at 515 K…

Q: Part C Calculate the volume (in cm) of 50 g of water at -1°C. Express the volume in cubic…

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Q: mmole of H2SO4?

A: mmole id defined as the mili moles i.e moles X 1000  Since the reaction between NaOH and H2SO4 is  2…

Q: Explain the problem attached

A: Hybridization is a hypothetical concept. It refers to mixing of atomic orbitals and the resultant…

Q: Part C With a power supply able to produce 125 A of current, how long must the nails stay in the…

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Q: Just part c

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Q: Which of the following compounds would you expect to be ionic? O A. C2H6 O B. NH3 OC. H202 LiBr D.…

A: Correct answer is option D) LiBr Lithium is a metal it can donate electron to bromine. and forms an…

Q: A molecule or ion that donates the hydrogen in a hydrogen bond is a hydrogen bond donor A molecule…

A: Hydrogen bond donor: If the species contains a hydrogen atom bonded with an electronegative atom…

Q: B REACTION COORDINATE Practice 34 Which potential energy measurements will change if a catalyst is…

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Q: CH3- CH2 CH2- CH3 c=C CH3 Br

A: Mn

Q: Problem 2: An engineering student wants to study the heat transfer between a 50 g of heated block of…

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Q: Love the following information to answer the next question. The base lithium propandate…

A: Given → Concentration of lithium propanoate = 0.25 mol/L

Q: The following is a sketch of three Am (Absorbance of M) vs [M] for three different wavelengths.…

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Q: The major product formed in the following reaction sequence is + OAC 1. hv 2. KOH, MeOH

A: "2 + 2 cyclo addition" refers to a type of chemical reaction known as a cycloaddition, which is a…

Q: A wooden object has a mass of 10.782 g and occupies a volume of 13.72 mL. What is the density of the…

A: Given : Mass of object = 10.782 g And volume of object = 13.72 mL