# 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 85
1. ## macroecon

Assume that there is equilibrium in both the goods and the money market at all times. Suppose that the president of the United States has decided to start a war. The government will have to increase spending to pay for weapons, equipments, and
2. ## Chemistry

Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be necessary to have it present in a precise stoichiometric ratio? Why or why not? 2. What is the correct stoichiometric ratio between
3. ## Chemistry

Which starting material used in the air bag inflator is least important for the proper inflation of the air bag? Would it be necessary to have it present in a precise stoichiometric ratio? Why or why not? 2. What is the correct stoichiometric ratio between
4. ## macro

This year, a nations long run equilibrium real gdp and price level both increase. which of the following combinations of factors might simultaneously account for both occurances? a. an isolated earthquake at the begining of the year desroyed part of the
5. ## Physics

Give an example of an object that moves with constant acceleration and constant speed.
6. ## DRBOB

when you said that a is the constant ,and b is the path length what do you mean?? would the constant be 10 because for wavelength we increased it by 10 each time??
7. ## Calculus PLZ HELP!

What is the limit as x approaches infinity of a constant? Is it the constant or zero? Thanks in advance!
8. ## math

(b) If I give you \$40 then the ratio of my money to yours is 4 : 5. On the other hand, if you give me \$40, then the ratio is 8 : 1. How much money do both of us have?
9. ## physics HELPP!!!!!!!

A beam resting on two pivots has a length of L = 9.00 m and mass M =89.0 kg. The pivot under the left end exerts a normal force n1 on the beam, and the second pivot placed a distance 4.00 m from the left end exerts a normal force n2. A woman of mass m=

A beam resting on two pivots has a length of L = 9.00 m and mass M =89.0 kg. The pivot under the left end exerts a normal force n1 on the beam, and the second pivot placed a distance 4.00 m from the left end exerts a normal force n2. A woman of mass m=
11. ## Math

Marc took 3 hours (h) to mow a lawn while Angelina took 150 minutes (min) to mow the same lawn a week earlier. Write the ratio of Marc’s time to Angelina’s time as a ratio of whole numbers
12. ## calculus

Given v = sq.root of g^2 + 2gs where g is a constant and v is velocity and s is a positive function. Show that acceleration is a constant.
13. ## chem

Barium nitrate is added to a solution of .025 M sodium fluoride. a) At what concentration of Ba+2 does a precipitate start to form? b) Enough barium nitrate is added to make [Ba+2]= .0045 M. What percentage of the original fluoride ion has precipitated?
14. ## physics

hey, i was wondering if someone could explain and help me with this problems. please and thank you! A person holds an object of mass m = 4 kg on the palm of the hand with the arm stretched as shown in the attached figure. Use the torque equilibrium
15. ## Math

1. Cystic fibrosis (CF), a life-threatening lung disease, is caused from the inheritance of a recessive allele from both parents for the CFTR gene. In order for this disease to manifest itself, one needs to be homozygous recessive for this autosomal gene.

Suppose that there is a common resource of size y in a two period society. Each of two citizens, one and two, can withdraw a nonnegative amount c1 or c2 for consumption in period one, provided that c1+c2 <=y . In the event that they attempt to consume
17. ## chemistry

Predict the effect of each of the following on the indicated equilibrium system in terms of which reaction will be favored (forward, reverse, or neither) H2(g)+Cl2(g)<=>2HCl(g) +184 kJ A)addition of Cl2 B)removal of HCl C)increased pressure
18. ## physics

what is thermal equilibrim, and what is thermal energy? what are fluid molecules? does convectin involve the movement of matter in a circular manner only? thermal equilibrium: no net flow of heat in or out. thermal energy: The sum of all the interanal
19. ## S.A.T Math

At Central Park Zoo,the ratio of sea lions to penguins is 4 to 11. If there are 84 more penguins than sea lions, how many sea lions are there? The answer book says: C is the answer. The correct answer should yield a ratio of sea lions to Penguins of 4 to
20. ## Physics

1.Can an object reverse its direction of travel while maintaining a constant acceleration? If so, give an example. If not, explain why not. 2. If you were standing in a bus moving at constant velocity, would you have to lean in some special way to
21. ## math HELP

for each pair of similar parallelograms,fid the ratio of two adjacent side lengths in one parallelogram and compare it to the ratio of the corresponding side lengthes in the other parallelogram. What are they wanting me to do?? A.2m 4m B.3 m 6m C.4m 9m
22. ## Geology

I need help with a radiometric dating equation. I am trying to determine the age of a sample that has a 40AR/40K ratio of 4.5. I understand the equation of D=Do+N(e^.693t-1). I understand I would set Do to zero. But what is D? I went to geology tutoring
23. ## physics

A light–rail commuter train draws 645 A of 590–V DC electricity when accelerating. What is its power consumption rate in kilowatts? How long does it take to reach 30.0 m/s starting from rest if its loaded mass is 4.50×104 kg, assuming 91.0% efficiency
24. ## Physics

Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is 1/8 of its amplitude. (The answer is an integer.) Approach: Choose a specific trigonometric form for the position function x(t). It
25. ## Chemistry 12

In a lab the task was to dilute a 1.0M sol'n of Acetic Acid to a sol'n with a final pH of 4.15. The method I used to solve this was apparently wrong, but I don't understand how or why. Please help! Here is what I did: AcOH + H2O <-> H3O+ + AcO- First
26. ## calculus

2. Worldwide annual sales of all cell phones is approximately -10p + 1600 million phones when the wholesale price is \$p. a) If manufacturers are prepared to supply q = 14p – 800 million phones per year at a wholesale price \$p, what would be the
27. ## math

At a sports carnival,the ratio of number of pupils sent by school A,B and school C to the event was 1:2:3. The number of boys from school A and the number of girls from school B were the same. The ratio of the number of girls from school C to the total
28. ## AP Chemistry

Suppose the three gases were placed at 1.00 atm and 273 K in closed containers, as shown below. A tiny hole is opened in each container, allowing each gas to diffuse into another container filled with neon gas. What is the ratio of the rate of diffusion of
29. ## 6th grademath

this is a word problem:the country of hoffnemath is holding its presidential election this week. there three candidates(a,b,c,) and each eligible voter can vote for two of them. the candidate with the most total votes wins the election. here is a summary
30. ## Physics forces unit

I was wondering, how I would find the ratio of force to acceleration? I am doing an assignment where i had to find the force applied and the measured acceleration but I don't know how to find the ratio of force to acceleration. Thanks in advance!
31. ## physical science

a model train moving at a constant speed around a circular track has a constant velocity?
32. ## physics

In a region where the electric field is constant, as it is between two oppositely charged parallel plates, is the voltage also constant?
33. ## Science

A straight line with a positive slope on a velocity-time graph indicates which of the following? no movement constant acceleration toward the reference constant velocity away from the reference constant acceleration away from the reference
34. ## chemistry

Which solution would CaC2O4 be most soluble in? Na2C2O4 NaHC2O4 H2C2O4 NaCl HCl I due to common ions i think it would be one of the first three and i think it is Na2C2O4 because the other 2 have Hydrogen. Is it Na2C2O4? No, the common ions work just the
35. ## math

If the interest on a sum is compounded quarterly, which of the following is necessarily true? a) The effective rate of interest is same for every year. b) The ratio of interest for the (m + 1) th year to m th year will be same as the ratio of interest for
36. ## math

The ratio of Toby's salary to George's salary is 13:8. The ratio of George's salary to Bill's salary is 2:3. Find the ratio of Toby's salary to Bill's salary, and Bill's salary to total salary.
37. ## physics

A body is dropped from a height of 10 meters on Earth and hits the ground with a certain velocity. The body is then taken to the moon, which has a gravitational constant that is 1/6th the value as compared to Earth. It is dropped from the same height,
38. ## Business Accounting & Finance

The current liabilities of mohit Ltd are Rs 150000 and it's current ratio is 3:1 and liquid ratio is 1:1. Calculate the value of current assets, liquid assets and stock of Mohit Ltd.
39. ## Mathematics

two brothers Peter and Paul owns a store. if there share ratio of store value 3 ratio 5, later peter sold 2/3 of his share to Paul for 8000 naira. what is the value of the goods in the store.
40. ## physcs (Geometry bit)

how do you prove that an object on a ramp resolved into it's gravity components were the x dreiction is down the ramp and the y direction is the direciton of the normal force Force of gravity x component /\ |Normal force <_____| | /|OBJECT | /1| |2 /
41. ## Maths

Really really need some help here., There was an I.T. Fair. 2/9 of the visitors were children. There were 4000 more adults than children. The ratio of boys to the number of girls was 3:5. The ratio of number of men to number of women was 3:1. Find the
42. ## Math,Ratio

Mrs Koh bought some tuna and sardine from a fishmonger.the ratio of the mass of tuna to the mass of sardine was 1:2.if she bought a total of 12kg of fishes,find the mass of each type of fish that she bought
43. ## More Economics

I have an lazy instructor using test bank questions unrelated to my text and need some help. The second question is "anything that makes the efficiency wage rise relative to the market-clearing wage will...A) increase both the quantity demanded and the
44. ## calculus

At a constant temperature, the pressure, P, and volume, V, of a trapped gas have the relationship P equals the quotient of k divided by V , where k is some positive constant. What occurs if the volume is compressed such that V → 0+? The pressure
45. ## physics

As soon as a traffic light turns green, a car speeds up from rest to 46.0 mi/h with constant acceleration 8.50 mi/h-s. In the adjoining bike lane, a cyclist speeds up from rest to 24.0 mi/h with constant acceleration 12.00 mi/h-s. Each vehicle maintains
46. ## physical science

how can astronaunts talk to one another on the moon where there is no air. 1 air is not needed 2. heavy boots 3. ratio transmission 4. staying inside a preassurised suit Which answer do you think is correct? Why? Note the following misspelled words: ratio
47. ## math

If the ratio of the area of equilateral triangle A to the area of equilateral triangle B is 100 to 25, then what is the ratio of their altitudes?
48. ## math

Please show the ratio answer as #:#. The length of a pool is twice its width. What is the ratio of the length to the width of the pool?
49. ## mathematics

the present age of a father and his son are in the ratio 10:3. if the son is 15 years old now, in how many years will the ratio of their age be 2:1?

Casas de cultura are geared toward____. young children teens adults all ages *** "Sobremesa " is an important cultural practice in the Spanish-speaking world that can best be described as ____. (1 point) a dance from southern Spain an after-meal
51. ## calculus

Find the limits Lim(sin kt/t) t approaches 0 and (K is constant) How do you start this and go about it stepwise? Does knowing (K constant) help me to solve this?
52. ## chemistry

CaCO2--> CaO+CO2 <-- Calculate the pressure of CO2 in an equilibrium process at (a)22 Celsius and (b) 755 Celsius . Assume delta H=177.8KJ/mol and delta S=160.5 J/mol*K for that temeprature range. My question is do I have to subtract the two
53. ## science

For this activity, we had to make cube shaped models to represent cells. Then we had to compare aurafve area, volume, and surface area to volume ratio (SA:V) between the cells. Cell A: length of one side=1cm Surface area= 6cm^2 Volume= 1cm^3 SA:V= 6 Cell
54. ## math

Which three options are true about motion in a straight line. A. A particle which moves at an increasing velocity has a constant acceleration. B. If two particles always have the same velocity as each other, their separation does not change. C. A particle
55. ## maths p5

3.A rectangle is divided into 4 parts, A B, C and D. The areas of A: B: C are in the ratio 10:18:5. C is a square with an area of 25cm2. What is the area of rectangle D? 4. Mr Lee is 38y old. His daughter is 32y younger. a) In how many years time will Mr
56. ## Chemistry

How do you find the ratio of moles of oxygen to moles of tin? What would be the Empirical formula of tin oxide from the result of ratio? From my calculations I got the moles as: Moles of oxygen = 1.761 x 10^-2 Moles of Tin = 8.944 x 10^-3 Thanks!
57. ## Math

There is a ratio of number of boys to girls 3:5. After adding 5 boys and 3 girls, the ratio become 5:7. How many girls were there at first?
58. ## ratio proportions

The ratio of apples to oranges is 4:5. I have 200 apples and oranges total. How many are apples?
59. ## Math

There is a ratio of number of boys to girls 3:5. After adding 5 boys and 3 girls, the ratio become 5:7. How many girls were there at first?
60. ## rate constant

A reaction has a rate constant of 1.25×10−4 at 28 and 0.227 at 77. Determine activation barrier for reaction What is the value of the rate constant at 18?
61. ## 7th grade math help please the REAL ms.sue

1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of
62. ## Microeconomics

"In both monopoly and perfect competition the profit maximising output is at the level at which MR = MC, but only in the latter is the optimum output level such that P = MC" Explain the above statement by comparing the model of perfect competition with
63. ## Econ

I am writing a Bank Analysis on Wells Fargo. These are the numbers I came up with from the FDIC database: 1) Profitability Basic Spread: 4.556% while the all other U.S. Banks are 4.019% Return on Assets: .675% and the national average is .073% Return on
64. ## Math

1. At a basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the number
65. ## maths

2 Numbers are in the ratio 2:3. if 8 is added to both the numbers ,then the ratio becomes 3:4 . then the numbers are ?
66. ## math

300 hundred kids attend a dance. The ratio of boys to girls is 6 to 4. If 30 boys and 20 girls leave, what is the new ratio of boys to girls still at the dance
67. ## Science

For this activity, we had to make cube shaped models to represent cells. Then we had to compare surface area, volume, and surface area to volume ratio (SA:V) between the cells.  Cell A:  length of one side=1cm  Surface area= 6cm^2  Volume= 1cm^3
68. ## College Chemistry

Two moles of Mg and five moles of O2 are placed in a reaction vessel, and then the Mg is ignited to produce Mg (F.W.= 40.31 g/mole). What is the actual mole ratio, the calculated mole ratio, how many moles of MgO are formed, and what is the weight of MgO
69. ## math - 5th grade ratios

The ratio for makig 4 gallons of light yellow paint is 1 gallon of white / 3 gallons yellow. Find the ratio for making 20 gallons of light yellow paint.
70. ## math

points] Two alloys A1 and A2 are composed of two basic elements. The ratios of the compositions of the two basic elements in A1 and A2 are 5 : 3 and 1 : 2, respectively. A new alloy is formed by mixing the two alloys A1 and A2 in the ratio 4 : 3. What is
71. ## math

i have a big math quiz today on these terms plz help me meaning of a ratio that compares two quantities measured in different units meaning of the rate for one unit of a given quantity meaning of found by multiplying the denominator of one ratio by the
72. ## physics

A box slides along a friction-less horizantal floor under the action of a constant applied force is the acceleration necessarily to be constant?
73. ## physics

what is the difference between a constant velocity of 6 m/s and a constant accerleation of 6 m/s2?
74. ## arithmetic

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four
75. ## science

I guess I'm missing something here...but I've approached this question in every possible angle and im just not getting it! Could somebody point me in the right direction? Here is the question: If the measured net radiation (Q*) for the lawn of your home in
76. ## arithmetic

1. The first and last term of an A.P are, a and l respectively, show that the sum of nth term from the beginning and nth term from the end is a + l. 2. If mth term of an A.P be 1/n and nth term be 1/m, then show that its mnth term is 1. 3. The sum of four
77. ## Economics

There are 10 identical consumers whose demand is D: p = 20 - 10q. There are 10 identical firms, each firm's marginal cost is MC(q)= 5 + 5q. The market is competitive. a) derive the market demand function b) derive the market supply function c) what is the
78. ## Business Math

You decided to join the partnership of august and april. August has a capital of 50,000 while april puts up a capital of 75,000. The three of you decided that your profit and loss ratio would be 1:2:3 for august,april and yourself, and you further agreed
79. ## Chemistry

The reaction between bromine gas and fluorine gas to create bromine monofluoride gas has reached equilibrium. What is the effect of adding more bromine gas to the reaction chamber? More fluorine gas will be produced. More bromine gas will be produced. More
80. ## Science

1.A model train traveling at a constant speed around a circular trak has a constant velocity. True False**** 2.Which of the following would be affected if a soaring eagle changes direction but remained at a constant speed? A. Acceleration only B. Velocity
81. ## Science help! URGENT. Check answers

1. True or False? A model train traveling at a constant speed around a circular track has a constant velocity. (False) 2.Which of the following would be affected if a soaring eagle changed direction but remained at a constant speed? acceleration only
82. ## CHEM!

Well I almost understand this question but still got stuck, I will show you the question and my answer so I need someone to tell me if I did it correctly or not and how I should fix it. at 55degrees the K for the reaction: 2NO2(g)<=>N2O4 is 1.15 calc
83. ## DrBob222 follow up

Thank you for your reply. The Zn in grams 1.80= .028 moles Zn and Cl in grams 0.90= .025 moles Cl The question was: What is the EXPERIMENTAL empirical formula of zinc chloride? Determine the simplest whole number ratio of moles of zinc used, to moles of
84. ## Velocity Ratio

Does my work make sense? A turnbuckle is needed to apply an 8kN force on a cable. If the efficiency of the turnbuckle is 40% and the force applied is 159.155N with a lever of 20cm in length. a) Find the mechanical advantage. Mechanical
85. ## Mathematics

the ratio of the number of adults to children at a conce6is 5:6. the ratio of number of boys to number of girls is 2:5. therenare 36 more girls than boys at the concert. how many bpy are at the concert
86. ## business accounting

The current liabilities of Mohit Ltd are Rs. 150000 and its current ratio is 3:1 and liquid ratio is 1:1. Calculate the value of current assets, liquid assets and stock of mohit ltd?
87. ## business accounting

The current liabilities of Mohit Ltd are Rs. 150000 and its current ratio is 3:1 and liquid ratio is 1:1. Calculate the value of current assets, liquid assets and stock of Mohit ltd.
88. ## Physics

As you know, a cube with each side 4 m in length has a volume of 64 m3. Each side of the cube is now doubled in length. What is the ratio of the new volume to the old volume? Why is this ratio not simply 2? Include a sketch with dimensions.
89. ## Urgent-Chemistry Help

I need help with the heat effects and calorimetry worksheet. Please explain how to solve it! Thank you so much! A metal sample weighing 45.2g and at a temperature of 100.0 C was placed in 38.6g of water in a calorimeter at 25.6 C. At equilibrium the
90. ## Physics

The sketch shows a mobile in equilibrium. Each of the rods is 0.16 m long, and each hangs from a supporting string that is attached one fourth of the way across it. The mass of each rod is 0.10 kg. The mass of the strings connecting the blocks to the rods
91. ## math

Juan's class has 10 girls and 15 boys. the ratio fo girl to boys in Steven's class is the same as the ratio of girl to boys in Juan's class.How many girls are in Steven's class. Picture/diagram of my composed solution. We know that the ratio is 1:1.5 with
92. ## Economics

For each of the following possible events, indicate whether the demand or supply curve for dollars would shift, the direction of the shift, the determinant of the change, the inflow or outflow effect on the balance of payments (and the specific account
93. ## Macroeconomics

For each of the following possible events, indicate whether the demand or supply curve for dollars would shift, the direction of the shift, the determinant of the change, the inflow or outflow effect on the balance of payments (and the specific account
94. ## economics

For each of the following possible events, indicate whether the demand or supply curve for dollars would shift, the direction of the shift, the determinant of the change, the inflow or outflow effect on the balance of payments (and the specific account
95. ## Math

The local zoo has 3 lions, 4 elephants, 2 giraffes, 5 monkeys, and 2 zebras. What is the ratio of zebras to total animals? My Answer: I already know this 3x:4x:2x:5x:2x=16x So 16 total animals 16x=2 x=8 So then the ratio of zebras to the total number of
96. ## Physics

I need immediate help on these questions:. 2.a small plastic ball with a mass of 0.005kg is suspended from a thread and hangs in equilibrium as shown in the drawing below when a small rod with a 2 uC charge is brought to within 3mm of the ball a)find the
97. ## Math ratio word problem

The ratio of horseshoes to shamrocks was 11 to 5, and two times the number of shamrocks was 12 less than the number of horseshoes. How many were shamrocks? thank you :)
98. ## math

Flery has some apples and bananas. The ratio of the apples to the bananas is 2:5. She used 1/4 of the apples to make an apple pie. What is the ratio of the apples to the bananas?
99. ## Maths

Tina and Gopal had some stickers in the ratio 2:3. Gopal gave half of his stickers away and the ratio became 4:3. If Gopal had given away 21 stickers, how many stickers did each person have at first?
100. ## Spanish

For some reason these ones were tricky for me :/ 30. "Mi abuela está en el hospital." "Qué lástima! _______" a. No vale la pena b. ¿Qué te duele? c. No lo sabia d. ¿Qué tienes? C or D..? 31. A mis hermanos menores las peliculas de terror ______. a.