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Equilibrium
Page 5
Questions (1,747)
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
2,271 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
6,304 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
1,497 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
1,709 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
2,916 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
4,108 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
5,568 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
1,661 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
2,419 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
2,198 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
3,083 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
3,680 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
2,915 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
1,414 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
2,037 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
2,118 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
370 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
2,851 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
2,429 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
2,805 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
5,331 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
1,785 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
4,376 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.
8,533 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
4,154 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
1,849 views
Three forces are acting on an object which is in equilibrium.Determine the third force.
6 answers
asked by
Md
1,768 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
876 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
3,363 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
1,127 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
2,834 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
5,063 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
2,934 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
522 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
1,445 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
1,928 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
4,454 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
2,801 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
1,563 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
4,314 views
Consider the following reaction, equilibrium concentrations, and equilibrium constant at a particular temperature. Determine the
4 answers
asked by
Timothy urgent need
3,153 views
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