# 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 94
1. ## EQUVALENT RATIO

Did I do it right? 17:6 34:12 51:18 68:24 85:30 102:36
2. ## Math

Given 4w = 5x and 2x = 3G , find the ratio w:x:y
3. ## math

how can you simplify a ratio
4. ## math

find the ratio of 4 2 2 3 - x to - x of - ab 5 5 , 4 to 1 1 1 - ac of 2- to 7- of .7m to .8m, of 2 , 2 2, 2 2 2 ( x -y ) to (x-y) .
5. ## math

Share 7m in the ratio 32:3
6. ## math

whats the ratio of 6 to 9?
7. ## Math

What is the ratio simplified 20/45 A.9/4 B.4/13 C.5/9 D.4/9
8. ## math

if a+b/a = 6 and b+c/c = 7 find the ratio of a to c
9. ## algebra

Given: 3(x-2y)+3x=y-2(x+4y), find the ratio of y to x
10. ## Math

How to simplify this ratio (1/2):(1/3)
11. ## math

what is the equivalent ratio of 12 to 12?
12. ## math

ratio please : (1 + 3 1/4) : (1 1/4 + 3 1/3) please teach me how to do it
13. ## Maths

What is the ratio 3:2:1 for 250kg?
14. ## maths

increase 20 in the ratio 1:2
15. ## math

what is a ratio that is simplest from: 14 to 16
16. ## math

Can anyone tell me how to use rates and ratio?
17. ## Math

What is a ratio equivalent to 36:20
18. ## math

ratio as a fraction of 8 over 22
19. ## math

what is a description of the ratio 52:12
20. ## equation

a+b : (2a +2b) ratio solve

22. ## Math

simplify ratio 1/5:1=
23. ## math ratio's

9/36 and x/4 a 1 b 4 c 9 my answer b-4
24. ## math

Find the ratio. 2.4 m to 64 m
25. ## ratio and propation

2n-1 over 18 equal 15 over 25
26. ## arithmetic

I am having a problem with ratio's
27. ## geometry

Simplify the ratio: 48 ft. -------- 36 ft.
28. ## mathematics

Increase 20 in the ratio 3:2?
29. ## math

What is the ratio of 89/100
30. ## math

HOW TO FIND A RATIO
31. ## math

100 to 15 ratio
32. ## Math

Which ratio is equivalent to 3/7? A. 6 to 10 B. 9:21 •• C. 12/35 D. 7 to 3
33. ## math

ratio 5:4 of 4900
34. ## Math

the ratio of 8ft. to 4 yd
35. ## Math

What ratio is equal to 1/3? 3:1 6:9 20:80 21:63
36. ## mathematics

Decrease 32 in the ratio 3:4?
37. ## Math

What is ratio of 102:99 and 86
38. ## math

which ratio is equivalent to 3/7 6 to 10 9:21 12/35 7 to 3
39. ## EQUVALENT RATIO

If it's in a fraction like. 15/13?
40. ## math help

(1+3 1/4) : (1 1/4 + 3 1/3) Simplify as a ratio?
41. ## Physics

Your lab partner says that a battery provides not a source of constant current, but a source of constant voltage. Do you agree or disagree and why? Also I am really confused with series and parallel circuits like when voltage, current, and resistance
42. ## Math

A two population model is satisfied by a system of differential equations given by, V(x,y) = (ax,by)^T The general solution of the system of differential equations has x = áe^at for some constant á. The parameter t can be eliminated and we can express y
43. ## Precalculus

The population of the US in 1850 was 23191876. In 1900, the population was 62947714. a. assuming that the population grew exponentially, compute the grownth constant. b. assuming continued growth at a constant rate, predict the population in 1950.
44. ## Chemistry

Use Equation 7.1 and assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening constant,S , calculate Zeff for these two ions. Repeat this calculation using Slater's rules to estimate the screening constant, S.
45. ## Chemistry

If I have cyclohexene in a hydroboration-oxidation reaction to form cyclohexanol how can I find percentage yield? I have NaBH4 (0.0610) and boron triflouride etherate (0.0162) and they are in a 4 to 3 ratio to form b2h6 (diborane) so diborane number of
46. ## Accounting

Dividing Partnership Income Desmond Drury and Ty Wilkins have decided to form a partnership. They have agreed that Drury is to invest \$140,700 and that Wilkins is to invest \$60,300. Drury is to devote full time to the business, and Wilkins is to devote
47. ## Physics

When would instantaneous speed be the same as average speed? would it be when the speed is constant? when the position changes linearly with time or would it be in the limit when the time interval goes to zero? I thought it would be when the speed is
48. ## chemistry

What is the rate of the following reaction (M/s) if the rate constant for the reaction is 0.500 L•mol-1•s-1 and the concentration of each reactant is 0.0628 M. (The units for the rate constant depend upon the rate law). CO + NO2 --> CO2 + NO
49. ## physics

In 9.2 s a fisherman winds 2.1 m of fishing line onto a reel whose radius is 3.0 cm (assumed to be constant as an approximation). The line is being reeled in at a constant speed. Determine the angular speed of the reel.
50. ## physics

In 8.6 s a fisherman winds 2.7 m of fishing line onto a reel whose radius is 3.0 cm (assumed to be constant as an approximation). The line is being reeled in at a constant speed. Determine the angular speed of the reel.
51. ## PHYSICS

a kick returner in a football game runs a constant 5.24 m/s toward the goal line, which d= 50.0 m away. at the instant shown, a tackler is 11.2 behind him, chasing at a constant 6.49 m/s. How far from the goal line is he tackled? When is he tackled?
52. ## physics

A mass of 0.394 kg is attached to a spring with a spring constant of 224.2 N/m. Its oscillation is damped, with damping constant b = 14.0 kg/s. What is the angular frequency of this damped oscillation? ω = rad/s
53. ## Spring constant physics?

What is the spring constant of Spring 1, in N/m? This is in an online lab. All I know about spring 1 is that it is 30cm long, and with a mass of 250g attached, it reaches 55cm long. My answer of 4.5 (.25 * 10 = k * .55) is incorrect...why? Thank you!
54. ## Chemistry

When 1 mole of ethylene (C2H4) is burned at constant pressure, 1410 kJ of energy is released as heat. Calculate (delta) H for a process in which 10.0 of ethylene is burned at constant pressure
55. ## Dynamics

Car A is moving at a constant speed Va=75 km/h, while car C is moving at a constant speed Vc=42 km/h on a circular exit ramp with radius p=80m. Determine the velocity and acceleration of C relative to A.
56. ## Math

I am doing a project, are my answers correct? 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume Formula Cube | S.A=6s^2 | V=s^3 6/s Sphere|S.A+4 pi
57. ## science

1.a modern train traveling at a constant speed around a circular track has a constant velocity true or false 2.which of the following would be affected if a soaring eagle change direction but remained at a constant speed? A.acceleration only B.velocity
58. ## physics

A car travels up a hill at a constant speed of 32 km/h and returns down the hill at a constant speed of 61 km/h. Calculate the average speed and the answer is not 46.5
59. ## math

The ratio of Juma’s and Akinyi's earnings was 5:3. Juma’s earnings rose to shilling 8400 after an increase of 12%. Calculate the percentage increase in Akinyi’s earning given that the sum of their new earnings was shilling 14100. (b) Juma and Akinyi
60. ## volume:ration

A worm has a diameter of 2.4cm and its length is upto 1.9M. a)How do I calculate the surface area? b)How do I calculate the volume? c)How do I work out the volume ratio of the worm? Please help! Thanx kim xxx Surface area= PI*2*radius * length] Volume= PI
61. ## math

In order to pass a physical education class at a university, a student must run 1.0 mi in 12.5 min. After running for 10.0 min (assume constant speed), she still has 510 yd to go. What constant acceleration does she need over the final 510 yd in order to
62. ## Physics

A 35.41-g sample of Cu(s) at 96.73°C was added to a constant-pressure calorimeter containing 148.3 g of H2O(l) at 25.20°C. The final temperature of the system was 26.66°C. Assuming no heat loss to the surroundings, what is the calorimeter constant?
63. ## physics

A particle is traveling in a straight line at a constant speed of 29.9 m/s. Suddenly, a constant force of 14.5 N acts on it, bringing it to a stop in a distance of 58.2 m. (a) What is the direction of the force? (b) Determine the time it takes for the
64. ## physics

A car starts from rest and moves along x-axis with constant acceleration (5m/secondsquare) fr 8 sec. If it then countinues with constant velocity. What distance will the car cover in 12 sec since it started frm rest. plz anybody explain me
65. ## Physics

Entrance and exit ramps for freeways are often circular stretches of road. As you go around one at a constant speed you will experience a constant execrations. Suppose you drive through an entrance ramp at a modest acceleration 3.0 m/s^2. What will the
66. ## Accounting/Financing

I am so weak at this new class I started no matter how many times I read my textbook, I cannot understand how to calculate ratios can someone please show me or guide me how to work these problems, I would really appreciate it, thank you please help me..
67. ## Chemistry

The multiple Choice Question: Determine delta G (free energy at standard condition s) for the reaction below, considering Kp = 8 at 25 degrees celcius. 2Ag -> B The answer Choices: A.-2.303 x (0.287) x (25) x log 8 [J] B.-2.303 x (8.314) x (25) x log 8
68. ## physics

In experiment is carried out to measure the spring constant of a spring. a mass of 500 g is suspended on the string. its is pulled down a small distance and the time for 20 oscillation is measured to be 34s. a)explain why the mass performs simple harmonic
69. ## Chemistry

When 1 mole of ethylene (C2H4) is burned at constant pressure, 1410 kJ of energy is released as heat. Calculate dH for a process in which 10.0 g of ethylene is burned at constant pressure.
70. ## find the polynomial

degree 4 zeros i & (1+i) constant term 12 How do I start this problem. Thanks A degree four polynomial will have the form (x^4 +... x + c), where c is a constant. You will need to generate an equation that has the above form, using c=12. Solve for the
71. ## Math (help soon)

2 – The ratio of Maya’s beads to Kayla’s beads was 12:7. After Maya bought another 28 beads and Kayla gave away 32 beads, 5/7 of Kayla’s beads were left. a) How many more beads did Maya have than Kayla in the beginning? b) Find the new ratio of
72. ## math

The ratio of Maya’s beads to Kayla’s beads was 12:7. After Maya bought another 28 beads and Kayla gave away 3/2 beads, 5/7 of Kayla’s beads were left. a) How many more beads did Maya have than Kayla in the beginning? b) Find the new ratio of Maya’s
73. ## physics

Two balls of equal mass collide and stick together as shown in the figure. The initial velocity of ball B is twice that of ball A. (Take è = 34°.) (a) Calculate the angle above the horizontal of the motion of mass A + B after the collision. 1 Units are
74. ## Physics

A block of mass 3.42 kg is drawn at constant speed a distance of 1.32 m along a horizontal floor by a rope exerting a constant force of magnitude 8.62 N and making an angle of 17.0 degrees above the horizontal. Compute the coefficient of friction between
75. ## PHYSICS/ GRAVITATIONAL CONSTANT

Three masses are arranged in the (x,y) plane. The X and Y units are meters 4kg at (-1,5 3kg at (1,1) 5kg at (0,0) What is the magnitude of theresulting force on the 5kg mass at the origin? The universal gravitational constant is 6.673e-11 N*m^2/kg^2.
76. ## Trigonometry

Two ships leave a harbor entrance at the same time. The first ship is traveling at a constant 10 miles per hour, while the second is traveling at a constant 22 miles per hour. If the angle between their courses is 100°, how far apart are they after 2
77. ## Physics

A block of mass 3.42 kg is drawn at constant speed a distance of 1.32 m along a horizontal floor by a rope exerting a constant force of magnitude 8.62 N and making an angle of 17.0 degrees above the horizontal. Compute the coefficient of friction between

Rubax, a US manufacturer of athletic shoes, estimates the following linear trend model for shoe sales. Q1=a+bt+c1D1+c2D2+c3D3 where Q1=sales of athletic shoes in the t-th quarter t= 1,2,...,28{1998(I), 1998(II),...2004(IV)} D1= 1 if t is quarter I
79. ## Economics

Rubax, a US manufacturer of athletic shoes, estimates the following linear trend model for shoe sales. Q1=a+bt+c1D1+c2D2+c3D3 where Q1=sales of athletic shoes in the t-th quarter t= 1,2,...,28{1998(I), 1998(II),...2004(IV)} D1= 1 if t is quarter I
80. ## Economics

Rubax, a US manufacturer of athletic shoes, estimates the following linear trend model for shoe sales. Q1=a+bt+c1D1+c2D2+c3D3 where Q1=sales of athletic shoes in the t-th quarter t= 1,2,...,28{1998(I), 1998(II),...2004(IV)} D1= 1 if t is quarter I
81. ## Physics

A block of weight = 25.0 N sits on a frictionless inclined plane, which makes an angle = 34.0 with respect to the horizontal, as shown in the figure. A force of magnitude = 14.0 N, applied parallel to the incline, is just sufficient to pull the block up
82. ## Physics

A block of weight = 25.0 sits on a frictionless inclined plane, which makes an angle = 34.0 with respect to the horizontal, as shown in the figure. A force of magnitude = 14.0 , applied parallel to the incline, is just sufficient to pull the block up the
83. ## Physics

A sphere of radius 20 cm and mass 1.2 kg rolls without slipping down a 30 degree incline that is 10 m long. a) Calculare the translational and rotational speeds of the sphere when it reaches the bottom. Assume it starts from rest, and first solve for each
84. ## MATH HELP

Match the sequence (term) with the correct type of sequence (definition). Match Term Definition 128, 32, 8, 2, ... A) Geometric, common ratio is 0.25 1, 3, 9, 27, ... B) Arithmetic, common difference is 5 5, 10, 15, 20, ... C) Geometric, common ratio is 3
85. ## physics

A speeder driving down the road at a constant 20m/s passes a patrolman parked on the roadside. The patrolman waits 3 seconds then pursue the speeder accelerating at a constant 4m/s2. When does the patrolman catch the speeder
86. ## Physics-urgent

A speeder is driving down the road at a constant 20 m/s, he passes a patrolman parked on the roadside. The patrolman waits 3 seconds, then pursues the speeder, accelerating at a constant 4.0 m/s. How long does it take the patrolman to catch the speeder?
87. ## Chemistry

Iron reacts with sulfur to form a sulfide. If 2.561 g of iron reacts with 2.206 g of sulfur, what is the simplest formula of the sulfide? I don't know how to go about doing this problem. The answer is Fe2S3. Calculate the moles of iron in 2.561 grams of
88. ## Math

School A has 480 students and 16 classrooms. School b has 192 students and 12 classrooms. A. what is the ratio of students to classrooms at School A? 480:16 B. what is the ratio of students to classrooms at School B? 192:12 C. How many students would have
89. ## Chemistry

An excited ozone molecule, O3*, in the atmosphere can undergo one of the following reactions, O3* → O3 (1) fluorescence O3* → O + O2 (2) decomposition O3* + M → O3 + M (3)deactivation, where M is an inert molecule, the rate constant for
90. ## Chemistry

An excited ozone molecule, O3*, in the atmosphere can undergo one of the following reactions, O3* → O3 (1) fluorescence O3* → O + O2 (2) decomposition O3* + M → O3 + M (3)deactivation, where M is an inert molecule, the rate constant for
91. ## Physics 112

A battery is connected in series with a R = 0.26 Ω resistor and an inductor, as shown in the figure below. The switch is closed at t = 0. The time constant of the circuit is τ = 0.10 s, and the maximum current in the circuit is I = 8.4 A. Find
92. ## Chemistry

Strong base is dissolved in 535 mL of 0.200 M weak acid (Ka = 3.16 × 10-5) to make a buffer with a pH of 4.04. Assume that the volume remains constant when the base is added. HA (aq)+ OH^-(aq) -> H2O(l) + A^-(aq) Calculate the pKa value of the acid and
93. ## 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 specifications: Q= a + bP + cM + dPr Where Q is the
94. ## Physics

The driver of a Cadillac is traveling at a constant 60mi/hr. A police car is 20m behind the perpetrator when it too reaches 60 mi/hr and at that moment the officer floors the gas pedal. If the police car roars up to the rear of the Cadillac 2.0s later what
95. ## Physics

two long separated friends, june and bill, spot each other in an airport terminal from a distance of 25m. they start to run towards each other. bill accerlates at a constant rate of 1.5m/s2, and june at a constant rate of 1.2m/s2. how far from junes inital
96. ## Physics

A man drags a table 4.25 m across the floor, exerting a constant force of 54.0 N, directed 28.0° above the horizontal. I have found the work done by the applied force to be 202.6 J but I can't find the second part of the question which is below. (b) How
97. ## Gen Chem 125

A process takes place at constant pressure. The volume changes and the temperature increases by 91.0oC. The heat capacity of the system at constant volume, CV, is 695.6 kJ/oC. What is ΔE in kJ? (Careful--pay attention to the units of the heat capacity.)
98. ## Math

Someone verify if this is correct, please! 1. Draw a distance versus time graph that corresponds to the walk described below. Adam starts 8 m away from the motion sensor and walks in a straight line toward the sensor at a constant rate of 0.5 m/s for 3 s.
99. ## physics

A 34.1 kg child rides a Ferris wheel whose diameter is 18.3 m. When the ride is turning at a constant rate, the child’s speed has a constant value of 4.23 m/s. Find the normal force the seat exerts on the child at: a) The top of the ride b) The bottom of
100. ## Physics

A box of mass 1kg is placed on a table and is connected to a hanging mass m by a string strung over a pulley. If the coefficient of kinetic friction between the box and the table is .3 and the box slides at a constant speed of .5m/s what is the weight of