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Questions (36)

G naught doesnt tell you whether the reaction is spontaneous or not
1. 1 answer
2. 785 views
in a piston is locked in place and the cylinder is placed in a boiling water, the temperature, pressure, internal energy are all
1. 2 answers
2. 506 views
if a piston is insulated and being pushed, is the temperature increased
1. 1 answer
2. 385 views
so if my graph is absorbance vs time in minute, then my half life formula should give me time in minute right?
1. 1 answer
2. 474 views
does the half life formula t=ln2/k give sec as unit or min as unit
1. 1 answer
2. 992 views
The overall rate of a chemical reaction is determined bya)the slowest step in the reaction mechanism. b)the fastest step in the
1. 1 answer
2. 1,582 views
the reaction between CV+ and -OH, which is lewis acid and lewis base?lewis acid: CV+ lewis base: -OH is this correct
1. 1 answer
2. 554 views
the reaction between CV+ and -OH, is CV+ lewis acid and OH lewis base
1. 1 answer
2. 732 views
the reaction between CV+ and -OH, is CV+ lewis acid and OH lewis base
1. 0 answers
2. 513 views
in NaCl, Na+ does not hydrolize but in Cr(NO3)3, Cr3+ hydrolizes to give H+, so when do we know which cation hydrolizes and
1. 1 answer
2. 486 views
for haloacetic acids, HBr has higher stronger acid strength then HF but doesnt HBr has low dipole then
1. 1 answer
2. 720 views
does a low dipole indicate a strong acid
1. 1 answer
2. 368 views
max electrostatic potential is where there are low electron density, does it mean that the larger the number of max potential
1. 1 answer
2. 493 views
for chemical equilibrium, what is the difference between percent ionization and percent dissociation
1. 1 answer
2. 409 views
2H2O(l)=2H2(g) +O2(g)if water is removed, the direction of equilibrium is unaffected since liquid water is not in the equil
1. 1 answer
2. 636 views
2H2O(l)=2H2(g) +O2(g)the stress is an increase in pressure. If there is an increase in pressure, the reaction would go to the
1. 1 answer
2. 917 views
The following reaction is at equilibrium in a closed container.CuSO4.5H2O(s) CuSO4(s) + 5H2O(g) What actions, if any, will lead
1. 1 answer
2. 1,320 views
What will happen in this reaction: NH3 + H2 = NH4 when x amount of NH4 is added, equilibrium is reached, then 2x is removed.to
1. 0 answers
2. 517 views
can the concentrations of reactant and products affect the directions of equilibrium constant
1. 1 answer
2. 340 views
The following reaction is at equilibrium at a pressure of 1 atm, in a closed container.NaOH(s) + CO2(g) NaHCO3(s); ΔH°rxn < 0
1. 1 answer
2. 2,893 views
What is the pH of the solution created by combining 2.20 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00
1. 0 answers
2. 529 views
Calculate the molarity (mol/L) of Ba2+ when BaCrO4 is placed in a 0.0457 M K2CrO4 solution. The equation represents the
1. 2 answers
2. 616 views
If the initial pressure of NH3(g) is 7.845 atm, calculate the % of NH3(g) left over after the reaction reaches equilibrium
1. 1 answer
2. 562 views
When a sample of NO2(g) (5.641 mol) is placed in 360.0 L reaction vessel at 716.0 K and allowed to come to equilibrium the
1. 1 answer
2. 650 views
Which of the following is NOT true of colligative properties? Colligative properties are...A. dependent on the mass of solute
1. 0 answers
2. 500 views
If the initial pressure of SO3(g) is 4.775 atm, calculate the % of SO3(g) left over after the reaction reaches equilibrium
1. 5 answers
2. 630 views
The initial concentration for the compounds involved in the reaction shown were determined to be [CS2(g)] = 1.075 mol/L, [H2(g)]
1. 1 answer
2. 577 views
The initial pressure for the compounds involved in the reaction displayed were determined to be P(SO2(g)) = 0.5932 atm, P(O2(g))
1. 1 answer
2. 672 views
The initial pressure for the compounds involved in the reaction displayed were determined to be P(SO2(g)) = 0.5932 atm, P(O2(g))
1. 1 answer
2. 574 views
Calculate the value of the equilibrium constant (Kp) for the reaction displayed if the following equilibrium pressure data were
1. 1 answer
2. 569 views
Calculate the value of the equilibrium constant (Kp) for the reaction displayed if the following equilibrium pressure data were
1. 1 answer
2. 564 views
according to van deer walls equation, why does H2S have higher parameter a than CO2
1. 1 answer
2. 391 views
for thermodynamic, standard is 25 celsius and 10^5 Pa, so in this case does it mean that 1atm=10^5 Pa while for stp 1atm=101325
1. 1 answer
2. 507 views
i read in my chem book, it says that SiH4 is molecular compound but SiO2 is covalent network, but why not SiH4 since it has Si
1. 0 answers
2. 460 views
2H2 + O2 yield 2H2O , so if i switch it around, 2H2O yield 2H2 + O2. Would it change which one is breaking bond, which one is
1. 2 answers
2. 537 views
2H2 + O2 yield 2H2Oto calculate bond enthalpy, we have to take bond breaking minus bond making, how do we know which one is bond
1. 2 answers
2. 1,185 views

Answers (2)

BaCrO4 (s)= Ba2+ (aq) + CrO42- (aq)
can you be clearer a bit, i gont get why you try to find S-32.066x1= 32.06/32.06=?? O-16.00x3= 48/32.06=?? why is 32.06/32.06, where did that number come from we don't need to use 4.775 and 24.4 to solve this?

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