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Equilibrium
Page 5
Questions (1,743)
For the reaction below at a certain temperature, it is found that the equilibrium concentrations in a 5.00 L rigid container are
4 answers
asked by
Elizabeth
1,588 views
CH4(g) + CO2(g) <--> 2CO(g) + 2H2(g)
Kp = 4.5 x 10^2 at 825 K An 85.0 L reaction container initially contains 22.3 kg of CH4 and
5 answers
asked by
Krysten
2,268 views
What concentration of Ag+ is in equilibrium with 3.0×10−6 M Co(CN)3−6 and Ag3Co(CN)6(s)?
Ag3Co(CN)6 --> 3Ag^+3 + Co(CN)6 ^-3
4 answers
asked by
Catherine
1,177 views
FeSCN2+ -> Fe3+ + SCN-
Solution is initially dark red. If some Ag+ is added to form AgSCN. what happens to position of
4 answers
asked by
Grace
6,303 views
sulfur trioxide gas dissociates into sulfer dioxide gas and oxygen gas at 1250 degrees C. In an experiment, 3.6 moles of sulfur
4 answers
asked by
alexa
1,494 views
A uniform stick Ab can be nalanced on a knife edge 10cm from one end when a weight of 200N is hung from that end the 200N weight
6 answers
asked by
Alberta
1,708 views
6.0mol of ammonia gas is injected into a 3.0 mol L container. at equilibrium 1.5 mol of hydrogen gas is found in the container.
7 answers
asked by
nicole
2,915 views
If 2.50 g of CuSO4 are dissolved in 9.4 102 mL of 0.34 M NH3, what are the concentrations of Cu(NH3)42+, NH3 and Cu2+ at
4 answers
asked by
Justin
4,104 views
For the equilibrium system below, which of the following would result in an increase in the quantity of H2(g)?
H2(g) + I2(g)
5 answers
asked by
Urgent
759 views
(a) At 800 K the equilibrium constant for I2(g) 2 I(g) is Kc = 3.1 10-5. If an equilibrium mixture in a 10.0-L vessel contains
6 answers
asked by
Hannah
5,567 views
1.) Hydrogen fluoride (HF) is a weak acid, which when dissolved in water reacts slightly by the equation: HF(g) + H2O(l) =
4 answers
asked by
Amy
1,659 views
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
7 answers
asked by
Tom
2,418 views
Iodine is sparingly soluble in pure water. However, it does `dissolve' in solutions containing excess iodide ion because of the
5 answers
asked by
Milly
653 views
Suppose that 2.00 moles of HCl in a 1.00L glass flask slowly decomposes into H2 and Cl2. When equilibrim is reached, the
5 answers
asked by
Anonymous
2,196 views
Sodium carbonate, Na2CO3(s), can be prepared by heating sodium bicarbonate, NaHCO3(s).
2NaHCO3(s) Na2CO3(s) + CO2(g) + H2O(g) Kp
4 answers
asked by
wael
3,081 views
Phosphorus trichloride gas and chlorine gas reacts to form phosphorus pentachloride gas: PCL3(g) +CL2(g) = PCL5(g). A vessel is
4 answers
asked by
MIndy
3,679 views
A mixture of 0.47 mole of H2 and 3.59 moles of HCl is heated to 2800C. Calculate the equilibrium partial pressures of H2 Cl2 and
5 answers
asked by
Jamal
2,912 views
A uniform bar AB, 100cm long weighs 60N. An upward force 50Nis applied at a point 20cm from A, and downward forces of 60N and
4 answers
asked by
Anonymous
1,413 views
If a solution of formic acid contains 0.2 M HCHO2, 0.006 M CHO2-, and 0.006 M H+,
What is the Ka of the acid? What is the ph of
4 answers
asked by
Anonymous
2,035 views
At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl2.
Once equilibrated, some solid Ca(OH)2 remains
4 answers
asked by
Anonymous
2,117 views
Describe how you could adjust the settings of the simulation to increase the number of red
(H O ) and blue (A ) particles in the
4 answers
asked by
Nunya
369 views
The standard molar Gibbs free energy of formation of NO2 (g) at 298 K is 51.30 kJ · mol
−1 and that of N2O4 (g) is 97.82 kJ ·
4 answers
asked by
sam
2,850 views
-Suppose K= 4.5x10^-3 at a certain temperature for the reaction :
PCl5 <--> PCl3+ Cl3, what must be the concentration of Cl2
7 answers
asked by
Ashley
2,426 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
4 answers
asked by
bme1
2,804 views
We performed a lab in class about a month ago concerning different types of equilibrium. One particular portion of the lab
5 answers
asked by
Kim
5,330 views
Which of the following bases could you write an equilibrium expression for?
A. Ba(OH)2 B. KOH C. NaOH D. NH3
4 answers
asked by
jessie
1,782 views
The two conditions for equilibrium often result in a system of equations such as
F1 + F2 = 44.0 N and 3.00F1 − 8.00F2 = 0. (Due
4 answers
asked by
Amar
1,147 views
This is a problem I got on my Mastering Chemistry homework:
Consider the following reaction: H2(g)+I2(g)⇌2HI(g) A reaction
4 answers
asked by
Anna
4,373 views
Given the following reaction at equilibrium, if Kc = 1.90 x 1019 at 25.0 °C, Kp = __________.
H2 (g) + Br2 (g) ↔ 2 HBr (g)
4 answers
asked by
Josh G.
8,532 views
A hockey puck slides across the ice at a con-
stant speed. Which of the following is true? 1. The puck is moving and thus not in
5 answers
asked by
BOB
4,150 views
The oxidation of sulfur dioxide to sulfur trioxide is an important reaction. At 1000K, the value of Kc is 3.6 x 10^-3. What is
5 answers
asked by
Jenny
1,012 views
In the figure below PT is a uniform meter rule pivoted at R,the 70cm mark two forces 0.1N and 0.4N are applied at Q, the 60cm
5 answers
asked by
Sule
1,848 views
Three forces are acting on an object which is in equilibrium.Determine the third force.
6 answers
asked by
Md
1,767 views
An external force F is holding a bob of mass 725 g in a stationary position. The angle that the massless rope makes with the
4 answers
asked by
Ethan
873 views
A 0.010 M solution of a weak monoprotic acid is 3.0% dissociated. What is the equilibrium constant, Ka, for this acid?
4 answers
asked by
darali
2,571 views
Some CH4(g), initially at 1.000 atm, is placed in an empty reaction vessel. At equilibrium, the total pressure is 1.981 atm.
4 answers
asked by
kevin
873 views
What is the Pb2+ concentration in a saturated solution of PbCl2 if the concentration of chloride ion is 0.023 M? Units: M ksp =
4 answers
asked by
Lynn
3,362 views
A box weighing 20N, resting on a ramp, is kept at equilibrium by a 4-N force at an angle of 20 to the ramp, together with a
4 answers
asked by
Connie
1,126 views
1- Calculate the equilibrium concentration for H+, HSO4- and SO4^2- , given a .150M H2SO4 solution. the Ka for HSO4- is
4 answers
asked by
JOJO
701 views
Two ropes pull on a ring. One exerts a 57 N force at 30.0°, the other a 57 N force at 60.0°
(a) What is the net force on the
4 answers
asked by
Anna
2,832 views
At a particular temperature, K = 1.00 102 for the following reaction.
H2(g) + I2(g) 2 HI(g) In an experiment, 1.23 mol H2, 1.23
4 answers
asked by
Bill
5,061 views
Calculate the percent ionization of cyanic acid, Ka=2.0x10^-4, in a buffer soln that is .50M HCNO and .10M NaCNO.
Answer is .20%.
4 answers
asked by
howie
2,931 views
A body of mass 58g is suspended at 20cm mark of a uniform rule the meter rule is adjusted on a pivot until it settles
4 answers
asked by
Amarachi
521 views
Good day,
In relation to equilibrium, how would you know if an acid would spontaneously dissociate? For example in this problem:
4 answers
asked by
Dijames
1,444 views
A rod has a pivot point on the left end, one force of 6 N up in the middle and one force of 3 N up on the right end. Can the
4 answers
asked by
mssailormouth
1,762 views
What is the solubility product of CaF2 if 0.1 M Ca2+ and 0.02 M F- are in solution just before precipitation occurs?
4.0 × 10^-5
4 answers
asked by
Esmerelda
1,927 views
A uniform metre rule of mass 90g is pivoted at the 40cm mark. If the rule is in equilibrium with an unknown mass m placed at the
7 answers
asked by
j
4,451 views
How many grams of NaHCO3 should be added to one liter of 0.100 M H2CO3 (Ka = 4.2 x 10-7) to prepare a buffer with pH = 7.00?
I
4 answers
asked by
KO
2,799 views
the center of gravity of a 100-g stick is located at 50 cm mark and the stick is supported at 60cm. mark, Where must an 80g
4 answers
asked by
Chen
1,562 views
A uniform rod 30cm long is pivoted at it's center. A 40N weight is hung 5cm from the left end. where must the 50N weight be hung
10 answers
asked by
fatimah
4,310 views
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