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 97
1. Math- urgent

How can -2.65 be written as the ratio of two integers?
2. math

The ratio of two numbers is 3:4 and their HCF is 6. Their LCM IS?
3. Math

Divide 33 photos into 2 groups so that the ratio is 4:7
4. chemistry

In what ratio does EDTA bind metals? a. 1: 4 b. 2:1 c. 3:1 d. 1:1
5. stoichiometry

what is the mole ratio of oxygen to water
6. math

Which of the following is not one of the three ways to expree a ratio 3-4 3:4 3 of 4 3to 4
7. Math

Write the ratio of 14 to 10 in lowest terms
8. Math

The radii of two circles are 2:3.what is the ratio of their circumference
9. math

divide 114 metres in the ratio 3:2:9
10. Math

i have to find a equivalent ratio this is the problem 6 - 10

how do u change a ratio into a percent
12. math

The ratio of boys to girls on the bus is 20/15
13. physical science

What is the Ratio for Al2(CrO4)3
14. Math

What is the ratio 12:3 in its lowest form? would you divide both by 3?
15. math

Which ratio compares 15m to 45cm?
16. finance

calculate maximum payout ratio
17. math

find the fracton notation for the ratio 73/88
18. math

9 apples/ 14 students a ratio or a rate ?
19. maths

Find five numbers in A.P. whose sum is 12.5 and the ratio of first to the last is 2 : 3.
20. Math

whats a 30:1 ratio converted into centimeters?
21. math

what is the ratio of the circumference of circle to its radius?
22. Maths

Two numbers are in the ratio of 7:9, the smaller is 42, what is the larger?
23. math

What is 26cm:4m ratio in simplest form?
24. physics

a boy walks to his school at a distance of 6km with constant speed of 2.5 k mph and walks back with a constant sped of 4 k mph. His average speed of round trip expressed in k mph is?
25. physics

a boy walks to his school at a distance of 6km with constant speed of 2.5 k mph and walks back with a constant sped of 4 k mph. His average speed of round trip expressed in k mph is?
26. chemistry

A first-order reaction is 40% complete at the end of 50 minutes. What is the value of the rate constant (in min^-1)? A. 1.8 x 10^-2 B. 1.0 x 10^-2 C. 1.2 x 10^-2 D. 8.0 x 10^-3 E. none of these how would i approach this problem? i know that to find the
27. Physics

A "rocket car" is launched along a long straight track at t=0s. It moves with constant acceleration a1=3.0m/s^2. At t=2.5s, a second car is launched with constant acceleration a2=9.0m/s^2. 1. At what time does the second car catch up with the first one? 2.
28. Physics

An object of mass M is subject to two constant forces: F1, pointing in the x-direction, and F2, pointing in the y-direction. Show that the motion is one of constant acceleration. Find the magnitude and direction of this uniform acceleration. (Use the
29. Physics

A "rocket car" is launched along a long straight track at = 0 . It moves with constant acceleration = 2.5 . At = 3.0 , a second car is launched with constant acceleration = 8.7. At what time does the second car catch up with the first one? How far have the
30. Economics

Wilpen Company, a price- setting firm, produces nearly 80 percent of all tennis balls purchased in the United States. Wilpen estimates the U. S. demand for its tennis balls by using the following linear specification: where Q is the number of cans of
31. Manageral Economics (Economyst Only Please)

Wilpen Company, a price- setting firm, produces nearly 80 percent of all tennis balls purchased in the United States. Wilpen estimates the U. S. demand for its tennis balls by using the following linear specification: where Q is the number of cans of
32. Chem!??!?!?!?

Is it possible for a cup of water to completely evaporate in a room with a constant temperature of 21ÂșC??? Yes, of course. Why would you think it would not? A wet towel will dry, right? but why is that? The Kinetic Molecular Theory, distributed velocity
33. Help in Chemistry!!

You are given an aqueous solution of hydrofluoric acid. (Recall that hydrofluoric acid is a weak acid; When you are given an aqueous solution of a weak acid you always assume that the dissociation reaction of the acid in water has reached equilibrium)
34. Physics

1. Question: Consider two planets with uniform mass distributions. The mass density and the radius of planet 1 are p1 and R1, respectively, and those of planet 2 are p2 and R2. What is the ratio of their masses? Ans: M1/M2 = (p1/p2)(R1/R2)^3...I got this
35. physics math

the acceleration of a car is 2m/s^2 and another car has constant velocity of 35m/s.what time the first car overtake the car with constant velocity of the first car? draw and show solution
36. Physics

A railroad car moves under a grain elevator at a constant speed of 4.10 m/s. Grain drops into the car at the rate of 660 kg/min. What is the magnitude of the force needed to keep the car moving at constant speed if friction is negligible? ________ N
37. Physics

A railroad car moves under a grain elevator at a constant speed of 3.70 m/s. Grain drops into the car at the rate of 580 kg/min. What is the magnitude of the force needed to keep the car moving at constant speed if friction is negligible? F = Ma -> R *
38. physics

Archer pulls her bow string back 0.4 m by exerting a force that increases uniformly from zero to 230 N. What is the equivalent spring constant of the bow? This is what I did: F = kx 230 N = k(0.4 m) 575 = K My question is this: Is the answer just 575 or is
39. physics

As soon as the stop light changes from red to green, a car at rest at the intersection accelerates with a constant acceleration of 2.2 m/s/s. At the same moment, a truck passes by, moving at a constant speed of 9.5 m/s. How far beyond the intersection will
40. multiple choices

Which of the following is accelerating? An object moving with a constant velocity. An object moving along a curve. None An object moving on a straught line with a constant speed.
41. physics

The speed of a point on a rotating turntable, which is 0.264 m from the center, changes at a constant rate from rest to 0.902 m/s in 1.94 s. At t1 = 0.64 s, find the magnitude of the tangential acceleration. Answer in units of m/s2 I assumed the velocity
42. physics

The speed of a point on a rotating turntable, which is 0.264 m from the center, changes at a constant rate from rest to 0.902 m/s in 1.94 s. At t1 = 0.64 s, find the magnitude of the tangential acceleration. Answer in units of m/s2 I assumed the velocity
43. physics

The speed of a point on a rotating turntable, which is 0.264 m from the center, changes at a constant rate from rest to 0.902 m/s in 1.94 s. At t1 = 0.64 s, find the magnitude of the tangential acceleration. Answer in units of m/s2 I assumed the velocity
44. physics

The speed of a point on a rotating turntable, which is 0.264 m from the center, changes at a constant rate from rest to 0.902 m/s in 1.94 s. At t1 = 0.64 s, find the magnitude of the tangential acceleration. Answer in units of m/s2 I assumed the velocity
45. science

Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by physical
46. science

both carbon dioxide and water are pure substances. how are they similar to each other? A. Both substances have a set ratio of atoms that cannot be separated by physical means. B. Both substances have a set ratio of atoms that can be separated by physical
47. chemistry

the rate constant for the reaction is 0.152 s_-1 at 27 degree the rate constant increases to 0.304 s _-1 at 37 degree what is the value of energy of activiation for the reaction?
48. Algebra 1 (maths)

I'm slightly confused about this question: Suppose that you memorize a list of 100 German vocabulary words. Each week you forget 1/8 of the words you knew the previous week. The number of vocabulary words (V) that you remember after t weeks can be modeled
49. Physics

An automobile moving at a constant velocity of 25m/s passes a gasoline station. Two seconds later, another automobile leaves the gasoline station and accelerates at a constant rate of 4.0m/s^2. how soon will the second automobile overtake the first?
50. Physics

A car is traveling with constant 20.0 ms for 2.0mins constant rate 0.50 how far can travel for first part of the trip How long does it take for the car to a stop during the decond part of trip How far does it take during second trip What average velocity
51. math

An airplane flies 1080 miles with a constant speed of 720 mph and another 3812.7 miles with a constant speed of 760 mph. What is its average speed for the total trip?
52. College Physics

A car moving at constant velocity of 14 m/s passes a gasoline station. two seconds later, another car leaves the gasoline station and accelerates at the constant rate of 2m/s^2. How soon will the second car overtake the first?
53. Physics

The determined Wile E. Coyote is out once more to try to capture the elusive roadrunner. The coyote wears a new pair of Acme power roller skates, which provide constant horizontal acceleration of 15 m/s^2. The coyote starts off at rest 70 m from the edge
54. Economics- Managerial

Wilpen Company, a price-setting firm, produces nearly 80 percent of all tennis balls purchased in the United States. Wilpen estimates the U.S. demand for its tennis balls by using the following linear specifications: Q= a + bP + cM + dPr Where Q is the
55. Physics

You are conducting an experiment inside a train car that may move horizontally along rail tracks. A load is hung from the ceiling on a string. The load is not swinging, and the string is observed to make a constant angle of 45 degrees with the horizontal.
56. Physics

You are conducting an experiment inside a train car that may move horizontally along rail tracks. A load is hung from the ceiling on a string. The load is not swinging, and the string is observed to make a constant angle of 45 degrees with the horizontal.
57. physic

A police car is travelling in a straight line with constant speed vp.A truck travelling in the same direction with speed 3/2 vp passes the police car.The truck driver realizes that she is speeding and immediately begins to slow down at a constant rate
58. Math - Ratios

A pet store sells mice in 2 colors: brown and white. If 3/5 of the mice are brown, the ratio of male mice to female mice is 2:1, and 1/2 of the female mice are white, then what is the ratio of the number of brown male mice to the number of white male mice?
59. Math - Ratios

A pet store sells mice in 2 colors: brown and white. If 3/5 of the mice are brown, the ratio of male mice to female mice is 2:1, and 1/2 of the female mice are white, then what is the ratio of the number of brown male mice to the number of white male mice?
60. physics

A 650-kg elevator starts from rest and moves upward for 2.80 s with constant acceleration until it reaches its cruising speed, 1.64 m/s. (a) What is the average power of the elevator motor during this period? W (b) How does this amount of power compare
61. physics

The spring constant of the spring in the ﬁgure is 25 N/m, and the mass of the object is 4 kg. The spring is unstretched and the surface is frictionless. A constant 18 N force is applied horizontally to the object (stretching the spring). v0 = 0 Find
62. science

A mass 'm'is atached to one of an unstreched spring,spring constant k,at time t=0 the free end of the spring experiences a constant acceleration'a',away from the mass. Using the Laplace transformations, a)Find the position 'x' of 'm' as a function of time.
63. Physics

A 607-kg elevator starts from rest and moves upward for 4.40 s with constant acceleration until it reaches its cruising speed, 1.73 m/s. (a) What is the average power of the elevator motor during this period? . (b) How does this amount of power compare
64. Chemistry!!!

Use Le' Chatelier's Principle. a solution at equilibrium: BaCrO4(s)<> Ba^2+(aq)+ Cr)4^-(aq)recall: 2CrO4^2-(aq)+ 2H^+(aq)<> Cr2O7^2-(aq) +H20 2CrO4^2- yellow Cr2O7^2- orange Make predictions about colour changes or changes in the number of
65. physics

A man walks 3 miles east in 1 hour at a constant velocity, then walks 2 miles east at a constant velocity in 20 minutes, then 2 miles east at a constant velocity in 40 minutes, then rests for 1 hour and then turns around and walks 8 miles west in two
66. Physics- Repost (Answer did not make sense)

In the circuit below, at time t = 0, the switch is closed, causing the capacitors to charge. The voltage across the battery is 12 V The circuit: flickr. com/photos/ 68751220@N03 /6848519773/ A)Calculate the time constant for the RC circuit B)Calculate the
67. Math

You're on a skateboard, moving very fast but at a constant speed. Are you accelerating? Explain. Lara Claims that if an object is accelerating, it must be moving. She also claims that if an object is not accelerating, it must be at rest. Is lara correct?
68. Physics

A 1.6-mole sample of an ideal gas is gently cooled at constant temperature 280 K. It contracts from initial volume 37 L to final volume V2. A total of 1.9 kJ of heat is removed from the gas during the contraction process. What is V2? Let the ideal-gas
69. physics

A worker of a moving company places a 308 kg trunk on a piece of carpeting and slides it across the floor at a constant velocity by exerting a horizontal force of 425 N on the trunk. What horizontal force must the mover apply to move the trunk at a
70. physics

An 82.0 kg skydiver jumps out of a balloon at an altitude of 1 500 m and opens the parachute at an altitude of 195 m. (a) Assuming that the total retarding force on the diver is constant at 55.0 N with the parachute closed and constant at 3 600 N with the
71. physic

A dielectric-filled parallel-plate capacitor has plate area A = 10.0cm2 , plate separation d = 7.00mm and dielectric constant k = 3.00. The capacitor is connected to a battery that creates a constant voltage V = 7.50V . Throughout the problem, use ϵ0
72. physics

An 82.0 kg skydiver jumps out of a balloon at an altitude of 1 500 m and opens the parachute at an altitude of 195 m. (a) Assuming that the total retarding force on the diver is constant at 55.0 N with the parachute closed and constant at 3 600 N with the
73. Physics Help

You're driving at 39km/h , when the traffic light 25m away turns yellow. I need to find the constant acceleration required to stop at the light, the stopping time, and weather the acceleration is reasonable. I know how to find the average and instantaneous
74. science

Which of the answer choices is a true statement about the properties of an enclosed gas? (Select all that apply) if a gas pressure remains constant, then increasing the temperature of a gas will increase its volume if the gas temperature remains constant,
75. For Hellpp - Algebra 2

I removed your original post because of an inappropriate name. Please -- in the future do not string out your name across the page. _________________________________ Homework Help Forum: Algebra 2 Answer this Question | Responses Posted by
76. Chemistry: Equilbrium

How does adding NH3 to the reaction below affect the equilibrium of the reaction? N2(g) + 3H2(g) <=> 2NH3(g) Increasing the amount of NH3 will make Q larger than K. A net reaction occurs in the direction to increase NH3, or the forward reaction.
77. Chemistry

Here is the picture I am given: h ttp://imageshack.us/photo/my-images/209/diatomics.png/ This is supposed to be at a constant temperature, the hint says it's endothermic because energy is used to break the bonds. I believe it is a constant volume so w = 0
78. Chemistry

I have spent all afternoon (on Thanksgiving, no less) trying to figure out these post-lab questions. We had to produce a precipitate of a reaction of: 1) 1 ml 1M Na2SO4 + 9mL 1M CaCl2 Our result was .569g 2) 5 ml 1M Na2SO4 + 5 ml 1M CaCl2 Our result was
79. Physics

A car moving with a constant acceleration covers the distance between two points 60 m apart in 6.0 s. Its velocity as it passes the second point is 17 m/s. a) What was the speed at the first point? b) What is the constant acceleration? c) How far behind
80. Physical Chemistry

Integrate the expression β = 1/V (δV / δT) at constant pressure, assuming that β is independent of temperature. By doing so, obtain an expression for V as a function of T and β at constant P.
81. physics

A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes the second point is 15 m/s. (a) What was the speed at the first point? (b) What is the constant acceleration? (c) How far behind
82. physics

A taxi hurries for 1 hour 3 minutes wit a constant speed of 118km/hr and then for another 1 hour 9 minutes with a constant speed of 40km/hr. What is its average speed for the total trip?
83. physics

A car moving with a constant acceleration covers the distance between two points 80 m apart in 8.0 s. Its velocity as it passes the second point is 14 m/s. (a) What was the speed at the first point? 1 m/s (b) What is the constant acceleration? 2 m/s2 (c)
84. Algebra 1

using a constant rate, you can saw a log into 3 pieces in 12 minutes. At the sam constant rate, how long will it take you to cut a siliar log (if the same size) into 6 pieces? would you do a rate formula or what? I'm really stuck on this one!
85. Maths

Sam used cement and sand to prepare a mixture. The ratio of the number of pails of cement used to the number of pails of sand used was 1:2. Sam then added 8 more pails of cement and the ratio became 5:2. A.) How many pails of cement was used at first? B.)
86. Science( Physics[ Kinematic eqzns])

Can the Kinematic equations be used if the acceleration is = to zero? ~I know that they can only be used if the acceleration is constant but would zero constitute a constant? I'm not sure about this...because zero would mean that there is no acceleration
87. Environmental science

Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru(Ich) has a catchment area of 1250 km2. The Aeron(Iae) has a catchment area of 2.400 * 106 ha. The outflow stream, the
88. MATH/SCIENCE

Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru(Ich) has a catchment area of 1250 km2. The Aeron(Iae) has a catchment area of 2.400 * 106 ha. The outflow stream, the
89. physics

Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT C. THAT THE NET FORCE ON THE OBJECT IS ZERO D. NONE OF
90. college physics

An 82.0 kg skydiver jumps out of a balloon at an altitude of 1 500 m and opens the parachute at an altitude of 195 m. (a) Assuming that the total retarding force on the diver is constant at 55.0 N with the parachute closed and constant at 3 600 N with the
91. Physics

A 0.075 kg ball in a kinetic sculpture moves at a constant speed along a motorized conveyor belt. The ball rises 1.32 m above the ground. A constant frictional force of 0.350 N acts in the direction opposite the conveyor belt's motion. What is the net work
92. PHYSICS

Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT C. THAT THE NET FORCE ON THE OBJECT IS ZERO D. NONE OF
93. thermodynamic

Energy is added to a piston-cylinder arrangement. The piston is withdrawn in such a way that the temperature remains constant. The initial pressure and volume are 200 KPa and 2m^3, respectively. If the final pressure is 100 KPa, determine the work done by
94. math

Given that triangles PQR~STU:triangle #1 sides 8,9,10 triangle #2 3,?,? a) What is the ratio of similitude of PQR~STU triangles? Express answer in fractional form. b) What is the ratio of the perimeter of PQR~STU triangles? Express answer in fractional
95. Physics

An object starts from rest an undergoes a constant acceleration in the positive x direction. After some time it covers a displacement of 37 meters in the positive x direction achieving some final velocity. If the object started from rest with double the
96. Finance

Spam Corp. is financed entirely by common stock and has a beta of 1.0. The firm is expected to generate a level, perpetual stream of earnings and dividends. The stock has a price-earnings ratio of 8 and a cost of equity of 12.5%. The company's stock is
97. Math

What Are Five Ratio Survey Questions I Can Do On A Typical Family Of 6 ?
98. math

the ratio of the 2 numbers is 3:7, if their difference is 24, what is the smaller number?
99. math

simplest form of the ratio of rs20 to 50ps
100. math

write each ratio as a fraction in simplest form? 60 to 24 is it 60/24 = 15/6???