GradePack

    • Home
    • Blog
Skip to content
bg
bg
bg
bg

GradePack

What type of pre-need funeral contract promises the merchand…

What type of pre-need funeral contract promises the merchandise and services provided at the time of need will not exceed the cost of the contract?

Read Details

Commercial grade HCl solutions are typically 39.0 % (w/w) HC…

Commercial grade HCl solutions are typically 39.0 % (w/w) HCl in water. Determine the molarity of the HCl, if the solution has a density of 1.2 g/mL. 

Read Details

Determine the solubility of N2 in water exposed to air at 25…

Determine the solubility of N2 in water exposed to air at 25 0C is the atmospheric pressure is 1.2 atm. Assume that the mole fraction of nitrogen is 0.78 in air and the Henry’s law constant for nitrogen in water at this temperature is 6.1 X 10-4 M/atm. 

Read Details

The reaction below has a Kc value of 61. What is the value o…

The reaction below has a Kc value of 61. What is the value of Kp for this reaction at 500 K? N2(g) + 3H2 (g) ⇌ 2NH3 (g) Report your answer with 3 significant figures

Read Details

How long must an old GPL be kept on file?

How long must an old GPL be kept on file?

Read Details

Which of the following is a charge, fee, or surcharge applie…

Which of the following is a charge, fee, or surcharge applied to consumers who purchase their casket elsewhere?

Read Details

Determine the Kb for NO2- at 25 ºC. The Ka for HNO2 is 4.6 X…

Determine the Kb for NO2- at 25 ºC. The Ka for HNO2 is 4.6 X 10-4 at 25 ºC.

Read Details

The following reaction is exothermic. Which change will shif…

The following reaction is exothermic. Which change will shift the equilibrium to the left? 2SO2 (g) + O2 (g) ⇌ 2SO3 (g)

Read Details

You wish to prepare an HC2H3O2 buffer with a pH of 4.24. If…

You wish to prepare an HC2H3O2 buffer with a pH of 4.24. If the pKa of the acid is 4.74, what ratio for C2H3O2 -:HC2H3O2 must you use? 

Read Details

Use the standard half- cell potentials listed below to calcu…

Use the standard half- cell potentials listed below to calculate the ΔGO for the following balanced redox reaction at 25 OC. 2Al (s) + 3 Mg2+ (aq) à 2 Al3+ (aq) + 3 Mg (s) Mg2+ (aq) + 2 e- à Mg (s)                EO = -2.38 V Al3+ (aq) + 3 e- à Al (s)                    EO = -1.66 V

Read Details

Posts pagination

Newer posts 1 … 43,655 43,656 43,657 43,658 43,659 … 75,663 Older posts

GradePack

  • Privacy Policy
  • Terms of Service
Top