The equilibrium constant (Keq) is the ratio of ____ concentrations to ____ concentrations at equilibrium, with each concentration raised to a power equal to the number of ____ of that substance in the balanced chemical equation.

29,639 results, page 11
1. Chemistry

Given: Al^3+ forms a complex ALSO4+ in the presence of sulfate... Al^3+ + SO4^2- = AlSO4+ with Kstab = 10^3.01 Question: How many ppm Al(total) would be in equilibrium with gibbsite at pH 4 and 25 degrees celsius in the presence of 10^3- m SO4^2- (consider
2. Math

You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the
3. Math

You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the
4. chemistry

following equilibrium system with a Kc of 1.23E-03: C3H6O (aq) + 2C2H6O (aq)--> C7H16O2 (aq) + 2H2O (l) pleas check to see I answer these correclty.. 1.Is this an endothermic- or exothermic reaction, as written?answer: Exothermic 2.How would the
5. Chemistry

At a given temperature, the elementary reaction A <=> B in the forward direction is first order in A with a rate constant of 2.60 x 10^-2 s^-1. The reverse reaction is first order in B and the rate constant is 8.50 x 10^-2 s^-1. What is the value of
6. english language

what is the sound word for bow and arrow? eg. Nobody heard the ____ of the bow or the ____ of the arrow.

8. chemistry

calculate the equilibrium constant for the reactionas written at 940K. NH4Cl->NH3+HCl delta H= NH4Cl -1779, NH3 -46, HCl -92 delta s= NH4Cl - 682,NH3 192,HCl 187 i don't know how to solve for the equilibrium constant without the concentration of the
9. physics

A 0.40 kg mass is attached to a spring with force constant 26 N/m and released from rest at a distance of 3.2 cm from the equilibrium position Use conservation of energy to find the speed of the spring when it is halfway to the equilibrium position Find
10. Chemistry

Rxn 1:     4 NH3(g) + 5 O2(g) ⇌ 4 NO(g) + 6 H2O(g)         If the equilibrium constant, Kc, for Rxn 1 is 0.0015, determine the equilibrium constant, Kc, for the    reaction:   2 NH3(g) + 5/2 O2(g) ⇌ 2 NO(g) + 3 H2O(g) I'm not sure how
11. Chemistry

The equilibrium constant for the reaction of bromine and chlorine to form bromine chloride under certain conditions is 4.7x10-2. Cl2(g) + Br2(g) --> 2BrCl(g) K= 4.7 x 10-2 What is the equilibrium constant for the following reaction under the same
12. chem

A solution initially contains 0.350 mol/L of A and 0.750 mol/L of B. A reaction occurs according to the equation 2 A(aq)+B(aq)<=> 3 C(aq)+D(s) At equilibrium, [C] is found to be 0.100 mol/L. What is the value of Keq?
13. AP CHEMISTRY

A mixture of H2, S, and H2S is held in a 1.0-L vessel at 90°C and reacts according to the equation H2(g) + S(s) H2S(g). At equilibrium the mixture contains 0.46 g of H2S and 0.40 g H2. (a) Write the equilibrium-constant expression for this reaction (Kc).
14. Chem

I stuck on this problem. Can you help me to solve it? A reaction mixture in a 3.67L flask at a certain temp. initially contains 0.763g H2 and 96.9g I2. At equilibrium, the flask contains 90.4g HI. Calculate the equilibrium constant(Kc) for the reaction at
15. math

3 10 ____ = ____ x-5 x+2
16. Chemistry

The equilibrium constant Kp for the reaction below at 700°C is 0.76 atm. CCl4(g) --> C(s) + 2 Cl2(g) Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.20 atm at 700°C
17. Chemistry

The equilibrium constant Kp for the reaction below at 700°C is 0.76 atm. CCl4(g) C(s) + 2 Cl2(g) Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.20 atm at 700°C
18. spanish

This is on demonstrative adjectives and are fill in the blanks. ____ pantolones son bonitos y el precio no es muy alto. Si, las dos cosas son geniales. Tambien me gustan ____ sueteres que estan cerca de ti. ?De que talla es _____ sueter negro, el de solo
19. chemistry

At 25ºC and 1 atmosphere the following equilibrium is eatablished : 2NO (g) <=> N2O4 (g) The partial equilibrium pressure of N2O4 is 0.7 atm. A) calculate Kp of the above system at 25ºC. B) calculate the partial pressure of the above two gases at
20. chem

At 25ºC and 1 atmosphere the following equilibrium is eatablished :  2NO (g) <=> N2O4 (g)  The partial equilibrium pressure of N2O4 is 0.7 atm.  A) calculate Kp of the above system at 25ºC.  B) calculate the partial pressure of the above two
21. health safety nutrition

A child who drinks a lot of milk but rejects most solid foods may develop the symptoms of ____ because the child is deficient in the mineral ____. A) anemia, iron B) indigestion, phosphorus C) kidney stones, iron D) rickets, calcium
22. Calculus- To Reiney

I have 3 calc problems that i have not been able to do please help me... i've been on here yesterday as well but no one was able to assist me with these particular ones... 1. If f(x)=5x^3–2/x^4 find f'(x)____ what i got was (4x^2+7x-12)/x^8 2. The
23. spanish

fill in the blank ?es el libro _____profesor? no, es mi libro. la clase ____ profesor de español es muy interesante. la mochila _____muchacha es rosado. yo soy ___ estados unidos. ?son los bolígrafos de teresa? no, son ____ profesora. please help
24. Physics

A block with a mass of 0.357 kg is attached to a spring of spring constant 599 N/m. It is sitting at equilibrium. You then pull the block down 4.80 cm from equilibrium and let go. What is the amplitude of the oscillation? I know A=D/F... I keep getting the
25. Chemistry

A sealed 1.0L flask is charged with .500mol I2 and .500mol Br2 and an equilibrium reaction esues: I2(g)+Br2(g)=2IBr(g) When the container contents achieve equilibrium, the flask contains .84 mol of IBr. What is the value of the eqilibrium constant? (K)
26. CHEMISTRY

the equilibrium composition of a reaction is 1.522mol CO, 1.566mol H2, 0.478mol CH4 and 0.478mol H2O and the volume of the reaction vessel is 10Litres. -What is the equation for the reaction? -Calculate the equilibrium constant for both the forward and
27. Chemistry

At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) <--> 2HI(g) Kc= 53.3 At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is
28. chm

The equilibrium constant for the equation 2 H2(g) + CO(g) CH3OH(g) Is 19 at a certain temperature. If there are 3.11 x 10-2 moles of H2 and 5.79 x 10-3 moles of CH3OH at equilibrium in a 6.75 L flask. What is the concentration of CO? What is the Kp at 1439
29. Chemistry

The reaction of CH4 in 2CH4(g) ---->/<---- C2H2(g) + 3 H2 (g) is carried out at a different temperature with an initial concentration of [CH4]=0.087M. At equilibrium, the concentration of H2 is 0.012 M. Find the equilibrium constant at this
30. Physics help

1. The fundamental force that: (4 marks) ____ 1. causes hair to stand on end after being rubbed by a balloon a) strong nuclear ____ 2. causes protons to remain in the nucleus despite repulsive forces b) weak nuclear ____ 3. controls the planets' orbit
31. science fungi

i have to fill in the blank: other fungi form ____ relationships between thems selves and other organims. Some of these relationships ________ and some ____ their hosts. I think the first answer is: mutualistic relationship I can figure out the last 2
32. Science

a 6.0 L vessel contained 0.0222 mol of phosphorus trichloride, 0.0189 mol phosphorus pentachloride and 0.1044 mol of chlorine at 230 degrees celsius in an equilibrium mixture. calculate the equilibrium constant kc and kp for the reaction. PCl3 +Cl2-PCL5
33. science

A mixture of nitrogen gas, hydrogen gas and ammonia gas reacts by: N2(g) + 3H2(g) = 2NH3(g) If the total pressure in the reaction vessel is 50.0 atm ans the equilibrium mixture contains by volume: N2= 96.143% H2= 0.3506% NH3= 3.506% what is the equilibrium
34. Chemistry

3. Calculate the amount of isopentyl acetate that should be present in the reaction mixture at equilibrium based on 300 mmol of acetic acid and 150 mmol of isopentyl alcohol as starting quantities. Use equilibrium constant of 4.2 for this calculation.
35. Chemistry1412

Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) An equilibrium mixture of this reaction at a certain temperature was found to have [CO]= 0.115M , [H2]= 0.110M , and [CH3OH]= 0.190M . What is the value of the equilibrium constant (Kc) at this
36. chemistry

Consider the reaction: 2H2S(g)⇌2H2(g)+S2(g) An equilibrium mixture of this reaction at a certain temperature was found to have [H2S]= 0.542M , [H2]= 2.64×10−2M , and [S2]= 7.54×10−3M . What is the value of the equilibrium constant at
37. chemistry

At a certain temperature, the Equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.500 mol of H2 and 0.500 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at Equilibrium? equation: H2 + I2 =
38. Chemistry

a 1.00-mol sample of phosphorus pentachloride placed in 10.0-L reaction flask and allowed to come to equilibrium at 250 degrees celsius; PCL5(g) = PCL3(g) Cl2(g) if the amount of chlorine in the equilibrium mixture is0.470 mol, calculate (a) the
39. Chemistry

2HI <==> H2 + I2 Keq = 81.0 A 2.00L container is initially filled with 400 mol HI. Calculate the [HI] at equilibrium. This is what I did so far... HI = 4.00/2 = 2M ___2HI___<==>___H2___I2_ I 2.0M_________----__---- C -2X___________X_____X__ E
40. Chemistry

The following reaction is a step in the commercial production of sulfuric acid. 2SO2(g) + O2(g) 2SO3(g) The equilibrium constant is very high at room temperature, but the reaction is very slow. It must be run at high temperatures to achieve a reasonable
41. Physiology

1. Atp synthase is an enzyme in the. C A. NUCLEUS B. CELL MEMBRANE C. MITOCHONDRIAL MEMBRANE D. MITOCHONDRIAL MATRIX 2. Each condon on a(n) ____ molecule encodes for ___ amino acids. B A. mRNA...one B. mRNA....three C. tRNA...three D. tRNA...one 3. Two
42. Chemistry (Equilibrium)

Consider the following equilibrium system at 900°C: H20(g) + CO(g) <==> H2(g) + CO2(g) Initially 5.0 moles of H2O and 4.0 moles of CO were reacted. At equilibrium, it is found that 2.0 moles of H2 are present. How many moles of H2O remain in the
43. Economics

Goodday I would like to find out whether the following statements are true:  The equilibrium of the firm and the equilibrium of the industry are the same in the short run as well as the long run.  In the short run, the firm is in
44. chemistry - 3.1.6

At a high temperature, the equilibrium constant for the decomposition of hydrogen iodide is 65.0. If the initial concentration of HI is 1.60 M, what is the concentration of hydrogen at equilibrium? 2Hl(g) H2(g) + I2(g) A. 1.42 M B. 0.753 M C. 0.240 M D.
45. chem

a sample containing .800 moles of POCl3 is enclosed in a .5 liter vessel at a certain temperature. when the equilibrium for the dissociation reaction PCl3(g)<==>POCl(g) + Cl2(g) is attained, it is found that the vessel contains ,259 moles of Cl2.
46. chemistry - HELP!

The equilibrium constant, Kc, for the reaction A(g) + B(g) <-->AB(g) is 115 at 25 degrees C. If 1.580 x 10^(‐1) mol of A and 4.721 x 10^(‐5) mol of B are introduced into a 1.00 liter vessel at 25 degrees C, calculate the equilibrium
47. statistics

A person scores 140 on an intelligence test with mean 100, a standard deviation of 15, and a reliability of 0.6. We can be 95% certain that this person's TRUE intelligence is between ____ and ____. Pick the answer that is closest to the correct answer
48. Chemistry

At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) <-> 2HI(g) At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at
49. chemistry

NH4HS(s) <-> NH3(g) + H2S(g) An equilibrium mixture of this reaction at a certain temperature was found to have (NH3)=.268 and (H2S)=.360 What is the value of the equilibrium constant at this temperature?
50. chemistry

NH4HS(s) <-> NH3(g) + H2S(g) An equilibrium mixture of this reaction at a certain temperature was found to have (NH3)=.268 and (H2S)=.360 What is the value of the equilibrium constant at this temperature?
51. Chemistry

SO2(g) + NO2(g) SO3(g) + NO (g) At a given temperature, analysis of an equilibrium mixture found [SO2] = 4.00 M, [NO2] = 0.500 M, [SO3] = 3.00 M, and [NO] = 2.00 M. (a) What is the new equilibrium concentration of NO when 1.50 moles of NO2 are added to the
52. chemistry, ap chemistry

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 3.56 10-2 g of I(g), how many grams of I2 are in the mixture?
53. Science

1. The surface tension in a cup of water is caused by ____. (1 point)attractive forces between the water and its container attractive forces between water molecules adhesive forces between water molecules adhesive forces between the water and its container
54. chemistry help plz

Le chatelier's principle? co(g)+cl2(g)=cocl2(g)is reversible and ,after a certain amount of time ,will reach equilibrium.Explain,using Le chatelier's principle,what effect: 1)increasing the pressure (at constant temperature) 2)increasing the temperature
55. chem!!

Question: 1. The value of the equilibrium constant for the reaction H2CO3(aq) + energy ƒnƒnH2O(l) + CO2(g) can be changed by introducing a change to which component of the equation? This relates to the Le Chatelier principle. Thanks! Keq (the constant
56. computer

name the four major types of components that makeup a computer. C__ P__ UNIT (CPU) R___ or M __ memory (RAM) Auxiliary S____ ____ put Units ____ put Units
57. Physics

A spring with spring constant k=100 (N/m) is at its equilibrium length. a) How much elastic potential energy is stored in the spring? b) The same spring is stretched so that it is 6.0 cm longer than its equilibrium length. How much elastic potential energy
58. calculus

Consider the function f(x) = x^3-3x^2+2x-18 on the interval [ 0 , 2 ]. Verify that this function satisfies the three hypotheses of Rolle's Theorem on the inverval: f(x) is ___on[0,2] f(x) is ___ on (0,2) and f(0)=f(2)=____ then by rolle's theorem, there
59. spring physics check work plz

A block (mass 0.5 kg) is hanging from the end of a spring. The spring is observed to stretch by 20 cm in order to come to equilibrium. a) What is the spring constant? F=-kx F=mg=.5(9.8)=4.9 N and x=-.2meters -4.9/-.2meters=24.5 =k should the constant be
60. chemistry

I am having a hard time with this problem. I was wondering where I went wrong. The problem says The equilibrium constant, Kc, for the reaction of H2 and N2 is 1.7×10^2 at 225 ∘C. 3H2(g)+N2(g)←→2NH3(g) If the system at equilibrium
61. sCIENCE PLZZZZZZZZ HELP

1. The surface tension in a cup of water is caused by ____. (1 point)attractive forces between the water and its container attractive forces between water molecules adhesive forces between water molecules adhesive forces between the water and its container
62. science

mosquito larvae can tolerate extremely low dissolved oxygen concentrations, yet cannot survive at temperatures above 25 degrees celcius. how might you aaccoundt for dissolved oxygen concentrations of such a low value at a temperature of 25 degree celcius?
63. chem

what will happen to bromothymol blue indicator: a.) after addition of HCl, how does it affects the equilibrium b.) after addition of NaOH, hoe does it affect the equilibrium c.) after re-addition of NaOH Rewrite the net equation for the equilibrium? is
64. Chemistry

I am to do an equilibrium constant lab and I am supposed to only find the Kc value. i have to find the equilibrium constant for NaHCO3 (s) <--> NaOH (s) + CO2 (g) at 800K. The partial pressure in the bulb reads 420 kPa on the manometer, 1 gram of
65. physics

I have a question involving the spring costant: A 2-kg block is attached to a horizontal ideal spring with a spring constant of 200N/m. When the spring has its equilibrium length the block is given a speed of 5 m/s. What is the maximum elongation of the
66. Chemistry

One enzyme- catalyzed reaction in a biochemical cycle has an equilibrium constant (K1) that is 10 times the equilibrium constant (K2) of a second reaction. If the standard Gibbs energy of the former reaction is - 300 kJ mol-1, what is the standard reaction
67. Physics

A 4.40kg block hangs from a spring with spring constant 2160N/m . The block is pulled down 4.60cm from the equilibrium position and given an initial velocity of 1.40m/s back toward equilibrium. A) What is the frequency of the motion? B) What is the
68. physics

A 4.40kg block hangs from a spring with spring constant 2160N/m . The block is pulled down 4.60cm from the equilibrium position and given an initial velocity of 1.40m/s back toward equilibrium. What is the frequency of motion? What is the amplitude? What
69. ukm

The equilibrium constant (Kc) for the gas phase reaction 2 NH3 --> N2 + 3 H2 is 3 x 10-3 at some temperature. The reaction is started by placing a sample of ammonia in an empty one liter flask. When equilibrium is established there is 0.010 mole of N2
70. Physics

A 4.40kg block hangs from a spring with spring constant 2160N/m . The block is pulled down 4.60cm from the equilibrium position and given an initial velocity of 1.40m/s back toward equilibrium. What is the frequency of motion? What is the amplitude? What
71. Chemistry

Heating 1.0 mole of ammonia and 1.0 mole of molecular nitrogen at 723k in a 10L flask,the following equilibrium is observed: N2(g)+3H2(g)=2NH3(g) when the equilibrium is reached ,0.40 moles of molecular hydrogen are present in the flask,determine Kp and Kc
72. chemistry

hi i have difficulty in this question.any help would be much appreciated. 1) a mixture of 0.0080 mol of So2(g) and 0.0056mol of O2(g) is placed in one liter container at 100K. when equilibrium is established, 0.0040 mol of So3(g)is present
73. Chemistry

The ionization constant Ka of an indicator HIn is 1.0x10^-6. The color of the nonionized form is red and that of the ionized form is yellow. What is the color of this indicator in a solution whose pH is 4.00? (The question mentions that you can use the
74. Chemistry

At 627ºC, sulfur dioxide and oxygen gases combine to form sulfur trioxide gas. At equilibrium, the concentrations for sulfur dioxide, oxygen, and sulfur trioxide gases are .0060M, .0054M, and .0032M, respectively. a. Write a balanced equation for the
75. Spanish 1

4. No es trabajadora. Es _____. a. atrevida b. desordenada c. perezosa d. impaciente C? 9. No me gusta _____ nadar ____ dibujar. a. sí/sí b. sí/ni c. ni/ni d. ni/tampoco I'm going with C now? 15. A mí me gusta nadar. ¿ Y a ____? a. ti b. tu c. tú d.
76. English

Type the prepositional phrases in the boxes. Kentucky bluegrass was brought to America from Europe. ____?____ _____?_____ i put (to) and (from) then i put (from) (europe)
77. Physics

The spring of force constant k = 400 N/m is set up horizontally with a 0.300 kg mass attached on it resting on a frictionless table. The mass is pulled so that the spring is stretched 0.100 m from the equilibrium point, and is then released from rest.
78. Chemistry

Calculate the equilibrium constant for the equilibrium knowing that there are 2 moles of O2 H2, 6 moles of O2 and 3 moles of H2O in a jar reactor 2L? 2 H2 + O2 = 2 H2O
79. Biochemistry

The kinetic parameters of the reaction of lactate to pyruvate can be measured by following the formation of NADH from NAD+. It can also be measured in the reverse direction, however, at high concentrations of NADH the reaction cannot be monitored at 340
80. Chemistry

Thanks to Dr. Bob for answering all these questions! I always do poorly on conceptual problems. Consider the following equilibrium system at 25°C and select the true statement below: H2PO4−(aq) + SO42−(aq) ↔ HSO4−(aq) + HPO42−(aq) ΔG°rxn >
81. Chemistry

At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium?
82. science

Explain the concepts of phyletic gradualism and punctuated equilibrium. What predictions about the fossil record does punctuated equilibrium make? In this model, what are the processes that produce rapid evolution? Which evolutionary factors are
83. Chemistry

A mixture containing the same number of moles of SO2 and O2 is placed in a 2L container at 900K. The initial pressure is 1.90Atm. A reaction occurs leading to the formation of SO3: 2SO3 + O2 <--> 2SO3 After equilibrium is established the TOTAL
84. chemistry... HELP

Equilibrium constant question!!!? Standard reduction potentials Reduction half-reaction E(V) Ag+(aq) + e- ---> Ag (s) 0.80 Cu ^2+ (aq) + 2e- ---> Cu (s) 0.34 Sn^4+(aq) + 4e- ---> Sn (s) 0.15 2 H+(aq) + 2e- ---> H2 (g) 0 Ni^2+(aq) + 2e- --->
85. english

Shortly before the Russian Revolution, an eccentric man named Rasputin became ______as the "mad monk." Because he dressed like a peasant, drank heavily, and rarely bathed, the nobility often felt ____during their encounters” with him at the palace. Yet
86. Science

The effect _______ explains how fast air moves across a surface, the ____ pressure that presses on that surface. In contrast, the more ____ that air moves, the more of _____ there will be. I'm sorry that it might not make sense, I translated it from
87. Calculus

The position of a particle moving along the x-axis is given by s(t)=2t2+4. Use difference quotients to find the velocity v(t) and acceleration a(t), filling in the following expressions as you do so: v(t)=limh->0 [_____ / h ] = ____ a(t)=limh->0 [
88. AP Chemistry

The equilibrium constant for thermal dissociation of F2 F2(g)<->2F(g) is 0.300. If initially 1.00 mol F2 is placed in a 1.00 L container, which of the following is the correct number of moles of F2 that have dissociated at equilibrium? 1. 0.130 mol
89. Intermediate Algebra

One leg of a right triangle has a length of 5 m. The other sides have lengths that are consecutive integers. Find these lengths. The other leg is ____ m The length of the hypotenuse is ____ m
90. (11) Chemistry - Science (Dr. Bob222)

In the following hypothetical reaction A + B → C + D, the equilibrium constant, Keq is less than 1.0 at 25°C and decreases by 35% on changing the temperature to 45°C. What must be true according to this information? A. The ΔH° for the
91. French

Souligne l'adjectif dans la premiere phrase, puis complete la deuxieme phrase avec l'adverbe qui correspond. Exemple: Le dectective Lee est logique. Il a travaille. 1. La dectective Lee est logique. Il a travaille______. 2. La detective Jura est serieuse.
92. ziploc bags

how big are quart size ziploc bags in centimeters? ____ x ____ ????
93. Physics

In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.050 s, during which time it experiences an acceleration of 380 m/s2. The ball is launched at an angle of 51° above the ground. Determine the
94. a level chemistry

two most abundant atmospheric gases react to a small extent at 298K in the presence of a catalyst to achieve dynamic equilibrium: N2(g) + O2(g) ->/<- 2NO(g) Kp= 0.30 Partial pressure of N2 and O2 = 0.78atm 1dm3 flask and equilibrium established after
95. chemistry

Hey Guys so I have this problem with ICE tables that is extremely confusing for me so I would love some help on it! At a Certain Temperature, the equilibrium constant for the reaction of NO with Cl2 is 6250. If the initial concentration of NOCl is 1.0M and
96. Physical Chemistry

A 100 amino acid folded protein (F) is in equilibrium with it’s unfolded (U) (or denatured) form. Let ΔrH(std) =+347 kJ mol-1 and ΔrS(std) =-1010 J K-1 mol-1 for the equilibrium (F U) at 25℃. (a) Calculate the concentration of protein in
97. Grammar

Select the word or phrase that makes the sentence grammatically correct. 1. A tuberculin skin test should be read within 24 hrs. ____ administration. a. Of b. Since c. As d. From 2. The student ______ for the final exam. a. Didn’t studied b. Was studying
98. Economics

1. Suppose there is a stock market crash in Japan. Using a well-labeled graph show the effect in the short run on the equilibrium price level in the U.S.A., equilibrium Real GDP in the Unites States of America, equilibrium unemployment rate in the Unites
99. Chemistry

If K > 1 at 25°C and 1 atm of pressure, then which statement is true about the reaction's equilibrium? a. There is always more reactant than product at equilibrium under all conditions. b. There is more product than reactant at equilibrium at these