Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
AP Chem
Page 2
Questions
The electron-domain geometry and molecular geometry of iodine trichloride are __________ and __________, respectively.
The answer
4 answers
asked by
Sonya
6,050 views
Need help with this practice problem. I got the values for the gas to liquid and liquid to solid. Don't know how to do the rest?
2 answers
asked by
Chemkid
538 views
Need help with this practice problem. I got the values for the gas to liquid and liquid to solid. Don't know how to do the rest?
1 answer
asked by
Chemkid
484 views
At 25 oC, Kc = 0.145 for the following reaction in the solvent CCl4.
2BrCl <----> Br2 + Cl2 A solution was prepared with the
3 answers
asked by
Peter
665 views
Calculate the pH after 0.010 mol gaseous HCl is added to 250.0 mL of each of the following buffered solutions:
a. .050 M NH3/.15
2 answers
asked by
Kristen
879 views
How many liters of H2 have the same number of molecules as 1.00 liters of 02? ( At the same temperature and pressure)
1 answer
asked by
Josh
302 views
2)
For a theoretical yield of 19 g and actual yield of 11 g, calculate the percent yield for a chemical reaction. Answer in units
2 answers
asked by
Anonymous
592 views
Predict whether the equilibria
I) CO(g) + H2O(g) ⇀↽ CO2(g) + H2(g), ∆H ◦ = −41 kJ II) X2(g) ⇀↽ 2 X(g), where X is a
3 answers
asked by
amanda
1,375 views
How would you find a formula for a salt that contains NH4+ and is basic?
I understand how to determine if a salt is acidic or
1 answer
asked by
Elizabeth
431 views
Reaction 1: NaOH + HCL --> H20 + NaCl delta H of -100.332 kj/mol
Reaction 2: NaOH + NH4Cl --> NH3 + H20 : delta H of 358.639
4 answers
asked by
Serena
5,306 views
solid (NH4)2CO3 is placed in an evacuated container at 115C. When equilibrium is reached the total pressure inside the vessel is
2 answers
asked by
Megan
718 views
(NH4)2CO3 <-> 2NH3 + CO2 + H2O
solid (NH4)2CO3 is placed in an evacuated container at 115C. When equilibrium is reached Kp =
2 answers
asked by
Megan
1,062 views
NH3 + CO2 + H2O are introduced into an empty 1.00L vessel at 115 degrees. The initial partial pressure of at .500 atm. Calculate
1 answer
asked by
Megan
447 views
NO2 + H2 <-> NO + H2O
[H2] = .30 mol/L [NO2] = .20 mol/L [NO] = [H20] = .70 mol/L @ 1000K A. What is the mole fraction of NO in
2 answers
asked by
Dylan
621 views
Suppose I take a 1.0 L saturated, room temp solution of lead(2)bromide and dissolve 1.3g of potassium bromide in the solution.
2 answers
asked by
Olivia
694 views
What is the ph of a .05 L solution containing .075 mol NH3 and 6.80 g of NH4+ when .025 L of 2 M is added to it? Kb= 1.8 x10^-5
4 answers
asked by
Lola
348 views
A mixture of 1.380 g of H2 and 66.80 g of Br2 is heated in a 2.00-L vessel at 700 K. These substances react as follows.
H2(g) +
10 answers
asked by
Adriana Vargas
463 views
Lead metal is added to a solution of hydrochloric acid.
What would be the theoretical cell potential, E°, for the reaction?
1 answer
asked by
Sam
340 views
Hey guys! Stuck on some pH problems! Thanks so much in advanced:
A) Calculate the pH of a 0.200 M solution of potassium acetate,
4 answers
asked by
Allie
820 views
Hey guys! Thanks for any help in advance! I'm back with this problem:
Calculate the percent dissociation for a 1.00 × 10-6 M
2 answers
asked by
Allie
493 views
Hey guys! I'm not really stuck on this problem, but I was wondering if someone could look it over to make sure that what I did
1 answer
asked by
Allie
496 views
Calculate the partial pressure of 4.0 g methane when mixed with 16.0 g oxygen. The total pressure of both gases is 600. torr.
2 answers
asked by
Ashlee
515 views
1. Van't Hoff factors depend on the concentrations of the dissolved solute species. Why would a dilute solution have a Van't
3 answers
asked by
Maddie
2,350 views
What is the electron configuration for carbon with sp hybridization?
I have no idea. I know carbon has 4 electrons to use (6
2 answers
asked by
Anonymous
587 views
What is the wedge dash notation for the SP hybridization of Carbon? Could someone please describe it, or do you have a link for
1 answer
asked by
Anonymous
439 views
A 7.7 g sample of iron ore is treated as follows.
The iron in the sample is all converted by a series of chemical reactions to
2 answers
asked by
Jacky :)
840 views
Determine the amount of a precipitate produced when 10mL of a 0.1M silver nitrate solution is mixed with 10mL of a 0.1M calcium
1 answer
asked by
David W.
478 views
Benzene is a hydrocarbon that is commonly
used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the
2 answers
asked by
Swathi
686 views
Dinitrogen pentoxide (N2O5) decomposes
by first-order kinetics with a rate constant of 0.0064 s−1 at a certain temperature.
2 answers
asked by
Asha
616 views
Write the overall net-ionic reaction that occurs when iron (ii) hydroxide (Fe(OH)2, Ksp = 7.9 x 10^-15) is dissolved in a 0.500
4 answers
asked by
frank
751 views
For the reaction
CH4+ 2 O2 → CO2+ 2 H2O , what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 15.3 g
1 answer
asked by
Emma
470 views
Part 1: Calculate the heat that must be supplied to
10.7 g of Ne(g) at 0.15 atm to raise its temperature from 20◦C to 49◦C at
3 answers
asked by
Nicole
598 views
A lab manual states that to prepare a certain buffer requires mixing 25 ml of 0.200 M HClO (Ka=3.00 x 10^-8) with 50 ml of 0.2 M
1 answer
asked by
John
431 views
It takes 550 kJ to remove one mole of electrons from the atoms at the surface of a solid metal.
How much energy does it take to
2 answers
asked by
Taylor
830 views
It takes 535 kJ to remove one mole of electrons from the atoms at the surface of a solid metal.
How much energy does it take to
1 answer
asked by
Taylor
637 views
Calculate the pH and % ionization for each of the following acids.a. 0.15 M HNO3b. 0.10 M HCNc. 0.40 M HFd. 0.10 M HClO2
I have
1 answer
asked by
Kelly
414 views
2Al(s) + 3Pb2 ==> Al2Pb3
So the question says using that equation, what is the standard free energy. Faraday’s J constant is
4 answers
asked by
luigi
455 views
Ozone, O3(g), is a form of elemental oxygen that is important in the absorption of ultraviolet radiation in the stratosphere. It
1 answer
asked by
Adam
85 views
What is the major product obtained from the following reaction sequence?
a. A b. B c. C d. D
1 answer
asked by
Caligirl12
63 views
Elimination reactions are favored over substitution reactions when nucleophiles used are bulky and the substrate is a tertiary
1 answer
asked by
Missy.Sippy
82 views
Pages
1
2