Use standard reduction potentials to calculate the equilibrium constant for the reaction: 2Cr3+(aq) + H2(g)→2Cr2+(aq) + 2H+(aq) Hint: Carry at least 5 significant figures during intermediate calculations to avoid round off error when taking the antilogarithm. Equilibrium constant: AG° for this reaction would be than zero.

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains 6....

A: As given that heat flow out of  the water that  means heat is lost by it and it's temperature would ...

Q: e mass of

A:

Q: 2) Consider the following equation 2H2 (g) + 2NO (g) → 2H2O (g) + N2 (g) which has the rate law  Rat...

A:

Q: 4.50 g Mg is made to react with HCl, how many grams of H2 will be theoretically produced? If you act...

A:

Q: Calculate the percent ionization of HA in a 0.010 M solution. Express your answer to two significant...

A: The chemical reaction is as follows and the ICE table    HA + H20 <--> H3O+ + A- Initial ...

Q: Balance the chemical equation below using the smallest possible whole number stoichiometric coeffici...

A: Given,  Chemical equation :  H2(g) + P4(s) ---------> PH3(g)   

Q: Technetium-99m has a half-life of 6.01 hours. If a patient injected with technetium-99m is safe to l...

A:

Q: A new potential heart medicine, code-named X-281, is being tested by a pharmaceutical company, Pharm...

A: Given that, the concentration of the solution is 0.081 M. And also the pH of the solution is 3.00. W...

Q: Vhat is the pOH of a 0.20 M NH4CI solution ? Kp for NH3 is 1.8 x 10-5. O11.28 O 2.72 9.02 4.98

A:

Q: uestion 3 Consider a buffer solution made up of H,PO, and HPO. For H,PO4, Ką = 6.2 x 10-8. What mole...

A:

Q: Below is an unbalanced molecular equation that describes what happens when solutions of cobalt (II) ...

A: The unbalanced molecular equation is., Co(ClO4)2 (aq)  +  Na3PO4 (aq) →  NaClO4 (aq) +   Co3(PO4)2 (...

Q: 1. The planet Zook has an atmosphere that contains 3.0 mmHg of neon, 12.0 mmHg of xenon, and 8.0 mmH...

A:

Q: A mixture of krypton and oxygen gas is expanded from a volume of 31.0L to a volume of 95.0 L, while ...

A: Given :- External pressure Pext = 71.0 atm Initial Volume Vi = 31.0 L Final Volume Vf = 95.0 L

Q: Determine the molecular formula of the compound with an empirical formula of CH and a molar mass of ...

A: Given:- Determine the molecular formula of the compound with an empirical formula of CH and a molar ...

Q: 3. When 50.0 grams of magnesium react with silver nitrate solution according to the following equati...

A:

Q: Nitrogen (N,) gas and hydrogen (H,) gas react to form ammonia (NH,) gas. Suppose you have 13.0 mol o...

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is gi...

Q: CO,Me OSIME, CO,Me Br A Br

A: Concept ; (3,3) sigmatropic reaction or rearrangement.  In this reaction the sigma bond between the ...

Q: The Specific Charge of Copper lons Experiment: The rate of deposition of copper (mass deposited per ...

A:

Q: Aqueous hydrochloric acid (HC1) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

A: Reaction: HCl (aq) + NaOH (s) → NaCl (aq) + H2O (l)   Actual  yield of water = 0.381 g mass of HCl =...

Q: A solution prepared by dissolving 513mg of a sugar (a molecular compound and a nonelectrolyte) in 1....

A:

Q: A container with 53 g of a certain liquid (c = 4158 J/kg · °C, Lv=2204 kJ/kg) at 21 °C is heated up ...

A: Answer: Entropy of the system will change in two steps: 1. When the liquid gets energy and its tempe...

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.45 kg sample ...

A: Given,  Mass, m = 1.45 kg = 1450 g  Initial temperature, Ti = 36.3 °C  Final temperature, Tf = 56.3 ...

Q: A mixture of xenon and argon gas is expanded from a volume of 11.0 L to a volume of 63.0 L, while th...

A: Given :- initial volume of gas mixture = 11.0 L  Final volume of gas mixture = 63.0 L  Pressure = 59...

Q: Write the balanced NET ionic equation for the reaction when Mn(SO4)2 and BaS are mixed in aqueous so...

A:

Q: Write a balanced half reaction for the following: SO42-  → SO32-

A: balanced half reaction for the  SO42-  → SO32-  is given below

Q: In EDTA titrations, a,4- is an important param as a function of [H']. (Note: The definition of dyt- ...

A: To derive an expression of αY4- as a function of H+ in EDTA titrations

Q: m Calculate the kinetic energy of a 34. g bullet moving at a speed of 458. Round your answer to 2 si...

A: Given, mass of a bullet = 34. g = 0.034 kg Speed, v = 458. m.s-1

Q: Q1.Consider the graphs below (A - C A В .In a photoelectric effect experiment in which the frequency...

A: Given:-  

Q: [OH-] = 1.0 x 10-7 Express the concentration to two significant figures and include the appropriate ...

A: Given-> [OH^-] = 1.0 × 10^-7 M   If [H3O^+] is 1.0 × 10^-7 M => then it is neutral .    

Q: I need the procedure in bullet proof in own words  and just an outline of how the raw data would li...

A: The procedure of the given experiment involving the conversion of cyclohexanol to cyclohexanone is n...

Q: Consider the titration of 30.00 mL of 0.500 M CH3COOH with 0.500 M NaOH. Assume that the solution wi...

A: Here 30 ml of 0. 5 M CH3COOH is titrated with 0.5 M NaOH solution. We have to find pH at half equiva...

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 674.0 mg sample...

A:

Q: 5. Which of the samples would have the same number of particles? (Remember 1 mole has 6.02x 1023 par...

A:

Q: he net chemical equation fc

A:

Q: Cite two real-life applications of cooling curve and determination of the freezing point of a substa...

A: Applying cooling curves and freezing points to real life: 1. In heavy snow areas,• Salt the roads to...

Q: A gold wire has a resistance R. If its length and diameter are both cut in half, its resistivity wil...

A:

Q: Many metals react with halogens to give metal halides. For example, iron reacts with chlorine to giv...

A:

Q: Calculate the entropy change of the surroundings when 1 mol of a perfect gas expands isothermally (a...

A:

Q: Consider five solutions that all contain 10 g of solute in 100 mL of solution. Which has the lowest ...

A: The lowest concentration of ions among them is given below

Q: 2 NO + 2 H2 → N2 + 2 H2O Reaction Rate [NO] (М) [H2] (М) Experiment 1 0.420 0.122 0.136 2 0.210 0.12...

A: Initially we find order with respect to both NO and H2  Then find value of rate constant  Finally we...

Q: Ions That Form Soluble Compounds Exceptions Group 1 ions (Li*, Na*, etc.) ammonium (NH,+) nitrate (N...

A: Please find the below attachment.

Q: 4. Given the reaction: PCls(g) = PC13(g) + Cl2(g) (AH° = +87.8 kJ/mol). Which of the following chang...

A: The correct option are as follows:  

Q: ОН CH,=CH–Ĉ–CH3 CH3-CH2-CH2-C-H A + CH,CH3

A: It is Robinson annulation reaction.  

Q: Is this compound aromatic, please explain why why not? or IZ

A: The Compounds which follows Huckel rule are called as the aromatic compounds.  Huckel rule is 4n+2=π...

Q: Calculate the entropy change if 0.011 m3 of a perfect (ideal) gas at 273K and 10^5 Pa pressure is is...

A:

Q: Consider the reaction: 3A → 4C Initially, and at some fixed temperature, the reaction proceeds at su...

A: For the reaction, 3A --------> 4C          Rate = 13-d[A]dt = 14d[C]dt At a temperature, number o...

Q: pls answer correctly

A: The sign convention for heat flow are as follows: When the heat flows into the system, a positive si...

Q: Use standard reduction potentials to calculate the equilibrium constant for the reaction: Hg2+(aq) +...

A:

Q: net chemical equation

A:

Q: 2. Indicate the reactants and products as appropriate: LOH Hz SOy 1402- 17°c Pociy :2

A: