04/03/21

PLease answer this

You are asked to balance the chemical equation H2 + O2 → H2O. How many of the following ways are correct ways to balance this equation?I. 2H2 + O2 → 2H2OII. H2 + O2 → H2OIII. 4H2 + 2O2 → 4H2OIV.... more
Follows • 2
Expert Answers •1

04/02/21

what will the new solubility of the solid be?
At a particular temperature, the solubility of In₂(SO₄)₃ in water is 0.0090 M. You have found Ksp to be 6.4 × 10⁻⁹. If solid In₂(SO₄)₃ is added to a solution that already contains 0.150 M In(NO₃)₃,... more
Follows • 2
Expert Answers •1

04/02/21

how many moles of H⁺ would be left in the beaker after the reaction goes to completion?
Consider the reaction of 75.0 mL of 0.350 M C₅H₅N (Kb = 1.7 x 10⁻⁹) with 100.0 mL of 0.405 M HCl. After 0.0263 moles of C₅H₅N and 0.0405 moles of H⁺ have reacted, how many moles of H⁺ would be left... more
Follows • 2
Expert Answers •1

04/02/21

Chemistry Stoichiometry
In the balanced chemical equation below, how many moles of water are created if 26.6 moles of acid react with excess magnesium hydroxide? H2CO3 + Mg(OH)2 --> MgCO3 + 2 H2O
Follows • 2
Expert Answers •1

04/02/21

Which of the following salts have the greatest solubility in water?

AgCl: Ksp= 1.8 x 10-10LaF3: Ksp- 2 x 10-19CuBr: Ksp= 5.3 x 10-9CaF2: Ksp= 3.5 x 10-11CuBr is not the correct answer, must be trick question
Follows • 2
Expert Answers •1

04/02/21

Two Part Solubility: The iodate ion has a number of insoluble compounds. The Ksp for AgIO₃ is 3.0 x 10⁻⁸ and the Ksp for La(IO₃)₃ is 7.5 x 10⁻¹².
a. What is the solubility of AgIO₃ in a 0.125 M solution of NaIO₃? b. What is the solubility of La(IO₃)₃ in a .125 M soution of NaIO₃?
Follows • 2
Expert Answers •1

04/02/21

Determine the molar solubility for Ag₂CrO₄ (Ksp = 1.2 × 10⁻¹²).
Determine the molar solubility for Ag₂CrO₄ (Ksp = 1.2 × 10⁻¹²).Show ICE table and Ksp equation set up
Follows • 2
Expert Answers •1

04/02/21

What is the solubility of Cr(OH)₃ at a pH of 10.70? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)
What is the solubility of Cr(OH)₃ at a pH of 10.70? (Ksp Cr(OH)₃ is 6.70 × 10⁻³¹)
Follows • 2
Expert Answers •1

04/02/21

What is the molar solubility of AgCl (Ksp = 1.80 × 10⁻¹⁰) in 0.530 M NH₃? (Kf of Ag(NH₃)₂⁺ is 1 × 10⁷)
What is the molar solubility of AgCl (Ksp = 1.80 × 10⁻¹⁰) in 0.530 M NH₃? (Kf of Ag(NH₃)₂⁺ is 1 × 10⁷)
Follows • 2
Expert Answers •1

04/01/21

Titration calculations with butanoic acid and Lithium hydroxide

Butanoic acid, HC4H7O2, has a Ka = 1.50x10-5. Butanoic acid was titrated with Lithium hydroxide. If 150.0 mL of 0.15M butanoic acid was titrated with 0.75M lithium hydroxide(00) draw the Lewis dot... more
Follows • 2
Expert Answers •1

04/01/21

calculating the pressure, volume, and/or temperature using the following gas laws: Charles’ Law, Boyle’s Law, and Gay-Lussacs Law
Suppose 336.0 mL of oxygen is collected at 25℃. What will the volume be if the temperature is increased to 50.0℃?
Follows • 2
Expert Answers •1

04/01/21

For the reaction below, Kc = 1.10 × 10⁻⁴. What is the equilibrium concentration of C if the reaction begins with 0.200 M A and 0.150 M B? 2 A (aq) + B (aq) ⇌ C (aq)
Follows • 2
Expert Answers •1

04/01/21

For the reaction: 2 A (g) + B (s) ⇌ 2 C (s) + D (g) At 298 K in a 10.0 L vessel, the equilibrium values are as follows: 0.721 atm of A, 4.18 mol of B, 6.25 mol of C, and 8.75 atm of D.
What is the value of the equilibrium constant?
Follows • 2
Expert Answers •1

04/01/21

Need help with this question
A solution of 10.0 mL of H2SO4 is titrated with 40 mL of s standard solution of 0.005 M NaOH. Calculate the concentration of H2SO4. The equation is H2SO4 + 2NaOH -----> Na2SO4 + 2H2O.If you need... more
Follows • 2
Expert Answers •1

04/01/21

Consider the data presented from the following reaction: A(g) —> B(g)
Consider the data presented from the following reaction: A(g) —> B(g):time(sec): 0, 40, 80, 120, 160[A](moles/liter): .100, .067, .045, .030, .020a) determine if the reaction is of the 1st order... more
Follows • 2
Expert Answers •1

04/01/21

overall equations.

According to the half reactions posted above, what will be my over all equation? reduction: MnO4^- -> Mn^2+oxidation: SO3^2- -> SO4^2-using the half reaction rule, show all of the work... more
Follows • 2
Expert Answers •1

03/31/21

What is the pH of a 0.560 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?
What is the pH of a 0.560 M solution of Ca(NO₂)₂ (Ka of HNO₂ is 4.5 × 10⁻⁴)?
Follows • 2
Expert Answers •1

03/31/21

What is the pH of a 0.810 M solution of NaCN (Ka of HCN is 4.9 × 10⁻¹⁰)?
What is the pH of a 0.810 M solution of NaCN (Ka of HCN is 4.9 × 10⁻¹⁰)?
Follows • 2
Expert Answers •1

03/31/21

An empty steel vessel is charged with 0.140 atm of C and 0.140 atm of A. Once the system reaches equilibrium according to the reaction below, what is the equilibrium partial pressure of C?
An empty steel vessel is charged with 0.140 atm of C and 0.140 atm of A. Once the system reaches equilibrium according to the reaction below, what is the equilibrium partial pressure of C? Kp for... more
Follows • 2
Expert Answers •1

03/31/21

Determine K for a reaction at 200 K if ∆G° =24.0 kJ/mol. (R = 8.314 J/mol ･ K)
Follows • 2
Expert Answers •1

03/31/21

For the reaction 2 Cr(s) + 3 Pb²⁺(aq) ⟶ 3 Pb(s) + 2 Cr³⁺(aq), what is the value of n in the Nernst equation?
For the reaction 2 Cr(s) + 3 Pb²⁺(aq) ⟶ 3 Pb(s) + 2 Cr³⁺(aq), what is the value of n in the Nernst equation?
Follows • 2
Expert Answers •1

03/31/21

Determine K for a reaction at 200 K if ∆G° =22.7 kJ/mol. (R = 8.314 J/mol ･ K)
Determine K for a reaction at 200 K if ∆G° =22.7 kJ/mol. (R = 8.314 J/mol ･ K)
Follows • 2
Expert Answers •1

03/31/21

What type of reaction is this? 2 C8H18 + 25 O2 ---> 18 H2O + 16 CO2
Follows • 2
Expert Answers •1

03/31/21

If solid copper(I) chloride is in equilibrium with a solution of copper(I) ions and chloride ions, how will that equilibrium be affected by the addition of sodium cyanide?
CuCl(s)  ⇆ Cu+(aq) + Cl-(aq)a. The equilibrium will not be affected by the addition of sodium cyanide.b. The equilibrium will shift toward the products.c. The equilibrium will shift toward the... more
Follows • 2
Expert Answers •1

03/31/21

Which of the following solids would be more soluble in an acidic solution than in neutral water?
Select one or more:a. BaSO4b. AgFc. NaClO4d. CaCl2e. AgBrf. Ba(NO3)2g. CaCO3
Follows • 2
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.