02/17/23

Chemistry stoichiometry

15.3 L of Fluorine gas reacts with 35.5 g of Aluminium chloride. how many Liters of gaseous product will be produced under STP conditions .
Follows • 2
Expert Answers •1

02/17/23

The đŸa of a monoprotic weak acid is 0.00506. What is the percent ionization of a 0.114 M solution of this acid?
Follows • 2
Expert Answers •1

02/17/23

Assuming complete dissociation, what is the pH of a 3.09 mg/L Ba(OH)2 solution?
Follows • 2
Expert Answers •1

02/17/23

Enough of a monoprotic weak acid is dissolved in water to produce a 0.0125 M solution. The pH of the resulting solution is 2.35 . Calculate the Ka for the acid.
Follows • 2
Expert Answers •1

02/17/23

A certain weak base has a đŸb of 7.80×10−7. What concentration of this base will produce a pH of 10.06?

Follows • 2
Expert Answers •1

02/17/23

NH3 is a weak base ( đŸb=1.8×10−5 ) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.051 M in NH4Cl at 25 °C?
Follows • 2
Expert Answers •1

02/17/23

Consider the following information. Determine the second electron affinity of O.
The enthalpy of formation of CaO isÂ Î”đ»âˆ˜f=−634.9 kJ/mol. The enthalpy of sublimation of Ca isÂ Î”đ»sub=177.8 kJ/mol. The first and second ionization energies... more
Follows • 2
Expert Answers •1

02/17/23

Consider the following information. Determine the enthalpy of formation,Â Î”đ»f, for CsCl(s).
The lattice energy of CsCl isÂ Î”đ»lattice=−657 kJ/mol. The enthalpy of sublimation of Cs isÂ Î”đ»sub=76.5 kJ/mol. The first ionization energy of Cs is IE1=376 kJ/mol. The electron affinity... more
Follows • 2
Expert Answers •1

02/17/23

Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X.
The enthalpy of formation of MX isÂ Î”đ»âˆ˜f=−529 kJ/mol. The enthalpy of sublimation of M isÂ Î”đ»sub=113 kJ/mol. The ionization energy of M is IE=411 kJ/mol. The electron affinity... more
Follows • 2
Expert Answers •1

02/16/23

Acid Identification

1. To identify an unknown diprotic acid, you dissolved 2.0 g of th e acid into 100 mL of water, titrated it with 0.2 M NaOH solution, and found the equivalence point after titrating 222.00 mL NaOH... more
Follows • 2
Expert Answers •2

02/16/23

Acid Identification

1. You have a package of chemical material to help with unknown chemical identification. The only known information about this package is for monoprotic acid. You dissolved 1.0 g of the acid... more
Follows • 2
Expert Answers •1

02/16/23

How do I solve for mass of Ammonia while taking in consideration both reactants at the same time?
The chemical reaction that produces ammonia is known as the Haber process. What mass of ammonia can be produced from the reaction of 7.00 g of hydrogen gas reacting with 10.0 g of nitrogen... more
Follows • 2
Expert Answers •1

02/16/23

Chemistry HW Help
Determine if the following salt is neutral, acidic or basic. If acidic or basic, write the appropriate equilibrium equation for the acid or base that exists when the salt is dissolved in aqueous... more
Follows • 2
Expert Answers •1

02/16/23

Chemistry HW help
What quantity in moles of NaOH need to be added to 200.0 mL of a 0.200 M solution of HF to make a buffer with a pH of 4.00?(Ka for HF is 6.8 × 10-4)
Follows • 2
Expert Answers •1

02/15/23

Suppose you want to know how many moles of NaCl are required to react completely with 1.5 moles of Pb (NO3)2
Balanced = 2NaCl+ Pb (NO3)2 = 2aNO3 + PbCl2
Follows • 2
Expert Answers •1

02/15/23

Pressure of each gas after equilibrium
Consider the following reaction.2NO2(g)⇌N2O4(g)When the system is at equilibrium, it contains NO2 at a pressure of 0.835 atm, and N2O4 at a pressure of 0.0697 atm. The volume of the container is... more
Follows • 2
Expert Answers •1

02/15/23

HClO is a weak acid ( đŸa=4.0×10−8 ) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.020 M in NaClO at 25 °C?
Follows • 2
Expert Answers •1

02/15/23

Calculate ΔG° for following reactions using standard values of formation. What is their spontaneity? Are products or reactants favored?
Skin imperfections and uneven discolorations are refined, resurfaced, and smoothed by crystals. Aluminum oxide is used by skin care specialists to alter the skin's surface. Scars, fine lines,... more
Follows • 2
Expert Answers •1

02/15/23

Given the heat formation of KCl(s) (-435.9) and KClO3(s) (-391.4). Calculate the standard molar enthalpy of reaction for 2KCl(s) + 3O2(g) Ă  2KClO3(s)
When potassium chloride reacts with oxygen under the right conditions, potassium chloride is formed. Given the heat formation of KCl(s) (-435.9) and KClO3(s) (-391.4). Calculate the standard molar... more
Follows • 2
Expert Answers •1

02/15/23

equilibrium homework help
If Kp = 7.3 × 10⁻⁶ for the reaction below at 400.0 K, then what is the value of Kc? Note Kc is sometimes called K. (R = 0.0821 Latm/molK.) 2 NBr₃ (g) ⇌ N₂ (g) + 3 Br₂ (g)
Follows • 2
Expert Answers •2

02/15/23

equilibrium homework help
Consider the reaction below: 2 CO(g) + O₂(g) ⇌ 2 CO₂(g) If Kc is 2.24 × 10ÂČÂČ at 1273.0 °C, calculate Kp at the same temperature. (R = 0.08206 Latm/molK.)
Follows • 2
Expert Answers •1

02/15/23

equilibrium homework help
Consider the reaction: N₂ (g) + 3 Br₂ (g) ⇌ 2 NBr₃ (g) At equilibrium, the concentrations of N₂ and Br₂ are 0.34 M and 0.70 M respectively, and the concentration of NBr₃ is 0.090 M. What is Kc for... more
Follows • 2
Expert Answers •1

02/15/23

Consider the reaction: 2 AB(g) ↔ A2(g) + B2(g), Kc = 5.69 The reaction vessel initially contained 0.713M AB(g) and no A2 or B2. Determine the concentration of A2 when equilibrium is reached.
Follows • 2
Expert Answers •1

02/15/23

What is the likely chemical composition of the molecular fragment that generates the highest peak in the spectrum? CH3CO CO CH3 CH3COCH3 CH3C
The following image shows the mass spectrum of acetone (C3H6O).
Follows • 2
Expert Answers •1

02/15/23

Some of the formulas could be either molecular or empirical formulas; however, some can only be molecular formulas. Which of the formulas must be molecular formulas?

CH C6H12O6 C5H9 C4H5N2O C8H10N4O2
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.