# Questions Asked onOctober 2, 2013

Okay, so I think these are right, but I would appreciate if someone could check them and tell me if something is wrong and what the right answer is. I'd also appreciate an explanation if possible. :)Thank you! 7. Given that f(x)={x^3 if x ≥ 0 {x if x < 0

Did I get these practice questions right? 1. Suppose that f is an even function whose domain is the set of all real numbers. Then which of the following can we claim to be true? ***The function f has an inverse f –1 that is even. The function f has an

Could someone tell me if I'm right, and if not what the correct answer is? Thank you! I'd appreciate an explanation, too, if you could. :) 1. Suppose you're given the following table of values for the function f(x),and you're told that the function is

4. ## Stats

The time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated by a normal distribution with a mean value of 150 sec and a standard deviation of 20 sec. The fastest 10% are to be given

5. ## BC Calculus

Find a general formula for F''(x) if F(x) = xf(x) and f and f' are differentiable at x.

6. ## Calculus

Consider the curve given by y^2 = 2+xy (a) show that dy/dx= y/(2y-x) (b) Find all points (x,y) on the curve where the line tangent to the curve has slope 1/2. (c) Show that there are now points (x,y) on the curve where the line tangent to the curve is

Did I get this practice question right? 1. Consider the following functions: f(x)=cos(x^3-x) h(x)=|x-3|^3 g(x)=1n(|x|+3) s(x)=sin^3(x) Which of the following is true? (Points : 1) f is even, h and s are odd. ***f and g are even, s is odd. h and s are odd,

Which of the following is false? a. A number that is divisible by 3 and 20 is divisible by 60. b. A number that is divisible by 4 and 15 is divisible by 60. c. A number that is divisible by 5 and 12 is divisible by 60. d. A number that is divisible by 6

9. ## Geometry

Substitution Property of Equality: If a=20, then 5a= _____. The substitution rule states that If a=b then a can be substituted for b in any equation or expression. So I think that 5a=5b but the number answer is 100. Am I correct?

10. ## psychology

HELP! Explain ethical issues in psychological research.

11. ## math

if john spent \$130 and matt spent \$480, john will have three times as much money left as matt. how much money did each boy start with ?

12. ## Math

Which of the following is false? a. A number that is divisible by 3 and 20 is divisible by 60. b. A number that is divisible by 4 and 15 is divisible by 60. c. A number that is divisible by 5 and 12 is divisible by 60. d. A number that is divisible by 6

13. ## math

A cannonball is fired across a field. Its height above the ground after t seconds is given by -16t^2+104. How long does it take for the ball to reach its maximum height of 169 feet?

14. ## Science

An advertisement claims that three out of five dentists prefer a particular type of toothpaste. After researching the study, you find that the toothpaste company paid for it. Why should you be skeptical of the advertisement's claims? a. because the

15. ## Psychology

What is the independent variable in this scenario: A research Psychologist is working in a federal prison and is asked to !@#\$%^& this new program. From 70 inmate volunteers, the psychologist randomly assigns 45 inmate volunteers to three groups: group A,

16. ## Health

Which of the following statements is FALSE about hydrogenation? a. Hydrogenation makes fats softer and more liquid so that they become more easily spreadable. b. Hydrogenation helps fats resist rancidity and extends product shelf life. c. Hydrogenation

17. ## Math

make a table of values for the sequence 6,11,16,21,26 b) write an algebraic expression for the general term of the sequence. c) Use ur expression for the general term to calculate the 25th term in the sequence. Please help asap

18. ## U.S. Government and Politics

My question :) What level of government do you think should be in charge of security from foreign enemies? Write a paragraph explaining why this level of government is most appropriate. My answer is federal government do you agree??

19. ## U.S. Government and Politics

Another question :) What level of government should you depend on for sanitation in your neighborhood? Write a paragraph explaining why this level of government is most appropriate. My answer is local government, it's more community wise, right????

20. ## Math

Which of the following pairs of numbers has the most common multiples less than 10? a. 2 and 5 b. 4 and 6 c. 2 and 8 d. 3 and 9

21. ## chemisry

When alkali metals are heated with hydrogen they form what

22. ## science

heating a mixture of iron and sulfur is it chemical or physical

23. ## Idontgetit

The value of the equilibrium constant, Kc, at a certain temperature is 2.56 x 10-1. If the reaction quotient for a mixture of these species at the same temperature is found to be 9.90 x 10-4, would the mixture yield more products, more reactants or is it

24. ## Idontgetit

The value of the equilibrium constant, Kc, at a certain temperature is 2.50 x 102. If the reaction quotient for a mixture of these species at the same temperature is found to be 7.37 x 100, would the mixture yield more products, more reactants or is it at

25. ## Chemistry

A 50mL solution of Histidine-HCl (Histidine: pKa1=1.8, pKa2=9.2, pKa3=6.0)is titrated with 0.500M NaOH. What is the expected pH of the histidine solution at the points in the titration when 14.0mL, 26mL, and 38mL of the NaOH titrant is added?

26. ## Idontgetit

The value of the equilibrium constant, Kc, at a certain temperature is 2.56 x 10-1. If the reaction quotient for a mixture of these species at the same temperature is found to be 9.90 x 10-4, would the mixture yield more products, more reactants or is it

27. ## Physics

A flowerpot falls from a window sill 26.8 m above the sidewalk. What is the velocity of the flowerpot when it strikes the ground? The acceleration of gravity is 9.81 m/s2 .

28. ## Idontgetit

The value of the equilibrium constant, Kc, at a certain temperature is 8.33 x 10-4. Would the reaction as represented by the chemical equation favor reactants or products? Enter P or R. Cl2CO(g) = CO(g)+Cl2(g)

29. ## Science/ Biol

Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. A person is hyperventilating. Their rapid rate of breathing causes a loss of carbon dioxide than usual from the body,

30. ## physics

Three astronauts, propelled by jet backpacks, push and guide a 131 kg asteroid toward a processing dock, exerting the forces shown in the figure, with F1 = 36 N, F2 = 58 N, F3 = 41 N, θ1 = 30°, and θ3 = 60°. What is the (a) magnitude and (b) angle

31. ## English

1. Electronics are very popular in Korea. 2. Electronics is very popular in Korea. (Thank you for your help. Which one is grammatically correct?)

32. ## chemistry (Dr.Bob222)

In a reaction, if the concentration decreases faster, that means the reaction has a larger rate constant, and a faster reaction, and a shorter half-life. Is that a correct statement? If not, please correct me, thanks for your help :)

33. ## Chemistry

A gas is confined to a cylinder under constant atmospheric pressure, as illustrated in the following figure. When the gas undergoes a particular chemical reaction, it absorbs 824J of heat from its surroundings and has 0.62kJ of P−V work done on it by its

34. ## chemistry

A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 1100 nm. What is the final state of the hydrogen atom

35. ## Physics

A rocket, initially at rest, is fired vertically with an upward acceleration of 10 m/s2. At an altitude of 500 m, find its velocity. 1000 m/s 500 m/s 100 m/s 10 m/s

36. ## Statistics

In a survey conducted by researchers at the University of Wisconsin, subjects were asked the question "Have you ever used cocaine?" in one of three methods, anonymous survey, personal interview, or phone survey. The contingency table below shows the

37. ## Physics

A dock worker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves 10.0m in the first 6.00s. What is the mass of the block of ice?

38. ## math

express in simplest form (2x+1)^2-2(2x^2-1) (2x+1)(2x+1)-2(2x^2-1) 4x^2+4x+1-4x^2+2 4x+3 is my answer Did I do this correctly? Thank you

39. ## Math (again)

Sorry...I forgot to include all of the details for one of my previous questions the complete problem is: 1. Yesterday Josh sold some boxes of greeting cards. Today he sold seven boxes. If he sold 25 boxes in all, how many did he sell yesterday? I can solve

40. ## algebra 1

the sides of a triangle are (x+2),(3x+1), and (x+7) find the value of x if the perimeter is 140cm

41. ## U.S. Government and Politics

Are there any jobs that you think should be switched among federal, state, and local governments? Why? is welare a job

Consider the following functions: f(x)=sin(x^4-x^2) h(x)=(|x|-3)^3 g(x)=1n(|x|)+3 s(x)=sin^3(x) Which of the following is true? h and g are even, f and s are odd. f is even, h and s are odd. h and s are even, f is odd. ***f and h are even, s is odd. f, h,

43. ## w

i would like to know on what is required for a high chance to get accepted to uc berkeley

44. ## Math order of operations using negatives

-3(8-6)^3+27/9= -8

45. ## health HELP

Which of theses items provide the most zinc? Cheeseburger French fries, 10 strips Oatmeal cookie Cup of apple juice Cup of chocolate milk

46. ## engliiish

dramatic monoluge and soliloquy main similarity and main difference

47. ## english

need help with comma and semi colon.

48. ## Chemistry 12

The original 10 ml (KIO3) solution is 0.020M is mixed with 10 mL of 0.0020M NaHSO3 which give a total volume of 20 mL. Calculate the concentration of KIO3 in the final mixture of the dilution.

49. ## Chemistry

What is the balanced chemical equation for Sr(NO3)2 + Na2PO4

way safety engineers build soft barriers so that cars hitting them will slow down at a safe rate. A person wearing a safety belt can withstand an acceleration of 300 m/s 2 . How thick should barriers be to safely stop a car that hits the barriers at 81.7

51. ## algebra

write y = - 3x - 6; ( -1, 5) in an equation of a line parallel to the given line but passing through the given point

52. ## MATH

if john spent \$130 and matt spent \$480, john will have three times as much money left as matt. both boy's started with the same amount of money. how much money did each boy's start with ?

53. ## child care

A child who complains of headache and sleepiness after coloring is suffering from what condition?

54. ## chemistry

If a gas sample has a pressure of 31.3 kPa at 0.00°C, by how many degrees Celsius does the temperature have to increase to cause the pressure to double?

55. ## math

Please Help! The perimeter (distance around) of a triangle is 7/x+1, The sum of two sides of the triangle is 3/x, the distance of the remaining side follows he format ax+b/x^2+x. what is the vale of a?

56. ## Chemistry

How many moles are contained in 1.20 x 1024 molecules CO2?

57. ## PHL 103

p v q is the best interpreted as

58. ## history

. Parliament passed the Coercive Acts, known in America as the Intolerable Acts, in response to A. Patrick Henry's Resolves. B. the Boston Tea Party. C. insults addressed to the customs commissioners. D. the Boston Massacre.

59. ## Physics

When a charged particle moves at an angle of 19° with respect to a magnetic field, it experiences a magnetic force of magnitude F. At what angle (less than 90°) with respect to this field will this particle, moving at the same speed, experience a

60. ## Math

Lori's car gets about 28 miles per gallon of gas. About how many gallons of gas does Lori's car use for each mile driven? How do you know?

61. ## science

A small rocket is fired directly upwards with an initial velocity of 100m/s. How many seconds will it take to reach its maximum height?

62. ## Algebra 2

Two Olympic swimmers, Ryan and Michael, create unique ripple waves in the water. The function created by Ryan is f(x) = 4x2 + 7. The function created by Michael is f(x) = 4x2 - 5x + 3. Describe to Ryan and Michael, using complete sentences, which operation

63. ## physics

The acceleration due to the moon's gravity at its surface is less than what it is here on the surface of the earth. The computed value of 1.6 m/s2 is consistent with what the Apollo Program astronauts observed during their explorations there. Imagine an

64. ## Science

Briefly describe a desalination process. What can make desalination expensive? Name 2 renewable energy sources that can be used in desalination. Help me please and thankyou =)

65. ## physics

Find x-component of vector a=(4.0 , - y-direction). Find y-component of vector a=(4.0 , - y-direction).

66. ## Algebra 1

1). Last week, the ratio of laptops to desktops sold at a computer store was 2:3. Eighteen desktop models were sold. How many laptop models were sold? A: 12 laptop models were sold. 2). Find the unite rate: twenty-six crackers contain 150 Calories. A: 6

67. ## Physics

. A package sitting on a shelf is knocked off. The velocity of the box just before it hits the floor is 8.5 m/s. Calculate the height of the shelf using; A displacement/velocity/acceleration equation Conservation of energy and hence show that these two

68. ## Physics

Use the concepts of acceleration, force and yield strength to explain why delicate goods shipped in a cardboard box are often first packed in polystyrene foam.

69. ## physics

Find x-component of vector d=(110m , 46 degrees below + x-axis). Find y-component of vector d=(110m ,46 degrees below + x-axis). Find x-component of vector v=(350m/s , 28degrees above + x-axis). Find y-component of vector v=(350 , 28 above + x-axis). Find

A stone

71. ## math question

How many distinct ways are there to label the faces of a cube with distinct numbers from 1 to 6, such that there is at least one pair of opposite faces which do not sum to 7? Rotations (which preserve orientation) are considered the same way. Reflections

72. ## Idontgetit

The value of the equilibrium constant (Kp) as represented by the first chemical equation is 2.00 x 10-2 at 730 K. Calculate the value of the equilibrium constant (Kp) for the second equation at the same temperature. Express answer in scientific notation.

73. ## Math

What number is 6^-1 Explain using table of vaules and the law of expoints

74. ## Algebra 1

Solve each equation. Rewrite the equation as two cases. 1). The absolute value of x - 2 minus 3 equals 5. A: I know one of the solutions is 10. However, I do not believe there is a second solution. 2). The absolute value of x + 7 increased by 2 = 10. A: I

75. ## Idontgetit

At 565 K the value of Kp for the equilibrium represented by the balanced equation is 2.00 x 10-1. Calculate the value of Kc at the same temperature. Express answer in scientific notation. PCl3(g)+Cl2(g) = PCl5(g) ____ x 10 _____

76. ## math

prove, using the law of exponents, that the following is true (2^4)^3=(64)^2 (use the same bases to rewrite the expression) the second half of =(8)^2 (8)^2 =(4)^2 (2)^2 (4)^2 (2)^2 =(2)^2(2^2)(2^2)(2^2)(2^2)(2^2) now the first part (2^4)^3 2x2x2x2 2x2x2x2

77. ## Idontgetit

At 1650 °C the value of Kc for the equilibrium represented by the balanced equation is 2.38 x 10-1. Calculate the value of Kp at the same temperature. Express answer in scientific notation. CO(g)+H2O(g) = CO2(g)+H2(g) ___ x 10 ____

78. ## math

The path of a cliff diver can be modeled by a parabolic curve. The regression equation matching one particular dive is h(t)= -4.9^2+4.6x+24.8 h is height t is time in seconds at what point in meters did the diver reach maximum height?

79. ## health

Consider the following scenario: Mr. Smith was admitted to the hospital for surgery on his left knee. When Mr. Smith woke up from the anesthesia, he realized that his right knee had been operated on. You have been asked to form a team to analyze this

80. ## Math

squareroot of 8 * exponents 3

81. ## Physics

A)...If this pitch were thrown horizontally, the ball would fall .809m by the time it reached home plate, 18.3m away. The acceleration of gravity is 9.81 m/s^2 How fast was the pitch Answer in m/a B)... A spy and an official reach the edge of a 5.4m

82. ## Physics

A)...If this pitch were thrown horizontally, the ball would fall .809m by the time it reached home plate, 18.3m away. The acceleration of gravity is 9.81 m/s^2 How fast was the pitch Answer in m/a B)... A spy and an official reach the edge of a 5.4m

83. ## English

His French is like that of native. (Is this sentence grammatical?)

84. ## Physics

A)...If this pitch were thrown horizontally, the ball would fall .809m by the time it reached home plate, 18.3m away. The acceleration of gravity is 9.81 m/s^2 How fast was the pitch Answer in m/a B)... A spy and an official reach the edge of a 5.4m

85. ## Physicis

Airplane staring from airport a flies 300 km east then 395 km 26.5 degrees west of north, and then 150 km north to arrive at airport b. what angle is the straight flight from a to b north of east and how far

86. ## government

federal grants to state or local governments that are for specific programs are call? i have block grants as an answer. someone please check for me

87. ## math

what is the prime factorization of 13?

88. ## Math

Fred decides that 12+40=62 is NOT a true equation.Is Fred correct?Explain.

89. ## physics

A resistance of 10 ohms and a capacitance of 0.1 farad are connected in series to an alternating voltage source with output (in volts) Vt  50 cos30t. Find the current in the circuit at any time t  0.

90. ## math

rewrite the expressions as a number times the sum of two numbers withe no common factors 7+14

91. ## math

Solve the inequality -12> x-7

92. ## geometry- Urgent!!!!

In various constructions, you need to use the longer of two segments to construct the radius of a circle. Why do you think this is? What happens if you use the shorter segment?

93. ## Physics

A person pushes on a 56-kg refrigerator with a horizontal force of -251 N; the minus sign indicates that the force points in the −x direction. The coefficient of static friction is 0.7. (a) If the refrigerator does not move, what are the magnitude and

94. ## physical education

draw a pole vault field

95. ## physics

A loaded truck can accelerate at 8.8 m/s 2 . It loses its load so that it is only 0.6 as massive. By what factor must the acceleration change for the same driving force?

96. ## physics

A meteoroid is speeding through the atmosphere, traveling east at 19.5 km/s while descending at 12.7 km/s. What is its speed, in km/s?

97. ## Biochemistry

Are cytosine and Tyrosine the only amino acids that are ionized R-group chains at pH of 7?

98. ## social studies

what is the kiutl tribes shelter

99. ## Math

Find three consecutive integers such that nine less than three times the third is seven more than the sum of the first and second.

100. ## social studies

The Great Awakening converted people to what kind of religion?

101. ## English

Is the word *command* a noun in this sentence or only the object of the preposition? "Seals balance balls on their noses on command."

102. ## chemistryhelp

how many moles of excess reactant are present when 3.20 x 10^2 mL of 0.226 M sulfuric acid reacts with 0.531 L of 0.185 M sodium hydroxide to form water and aqueous sodium sulfate

103. ## Intermediate Algebra

Evaluate or simplify the numerical expression. (16)3/4

104. ## Math

Write a phrase to represent the opposite 20 meters forward

105. ## Intermediate Algebra

Evaluate or simplify the numerical expression. 11 1/2 . 11^3

106. ## Math

-10 + 6g = 110

107. ## math

evaluate t^0, when t =4

108. ## algebra

-4 -1 -3 (2/5) * (2/5)/(2/5)

109. ## Shurley English Grade 4

I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks

110. ## Intermediate Algebra

combine. 3 square root 13 + 7 square root 13

111. ## math

(ab^8)(a^5 b^6

112. ## math

(a+b)^9/(a+b)^9

113. ## Calc

find the second derivative f(x)= 1/(4u^2-3)^2

10^1-10^0

15y^7/5y^4

117. ## Math

24. (-8 6/11)-(-2 5/11)= -7 25. (-4 5/8)- 3/8= -5

118. ## Intermediate Algebra

Solve and check each radical equation. square root y+10=y-2

119. ## mixed numbers with unlike denominator

26. 1/15+3/5=2/3 27. 1/10+1/3=13/30 28. (-1/6)+7/18=2/9

120. ## Intermediate Algebra

Solve each radical equation. square root 5x^2-3x=2x

121. ## English

In class, my teacher gives a simple sentence and we have to make up a paragraph or less to describe that simple sentence without saying the word "temper" in it. The sentence is "He had a temper" So I started mine off with this Isaac came home and was

122. ## Intermediate Algebra

Solve by the equatic formula and simplify. x^2-3x-1=0

123. ## Intermediate Algebra

Solve by the equatic formula. 4x^2+x-1=0

124. ## Intermediate Algebra

Solve by the equatic formula. 6x^2-2x-1=0

125. ## Accounting - Writing

UOIT has recently appointed you to prepare an independent consulting report to analyze the university’s current financial position and to provide some recommendations for improvement. Before you begin your analysis, you decide to identify UOIT’s

126. ## Math

Find the pattern 0.8, 0.4, 0.2, 0.1, ?

127. ## General Chemisty

1. If the initial concentration of BrCl(g) is 4.680 mol/L, calculate the % of BrCl(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at 500.0 K is 32.00. The initial concentration of the reaction

128. ## General Chemisty

2. Calculate the value of the equilibrium constant (Kc) for the reaction shown, if NO2(g) was found to be 95.54 % decomposed at 45.00 °C when its initial concentration was 5.725 mol/L. The initial concentration of the reaction products is 0 mol/L. 2NO2(g)

8x+2x=15x-10

130. ## General Chemisty

3. Calculate the value of the equilibrium constant (Kc) for the reaction displayed if the following equilibrium concentration data were measured at 723.0 K: [N2(g)] = 2.936 mol/L, [H2(g)] = 2.933 mol/L, [NH3(g)] = 3.443 mol/L. N2(g)+3H2(g) = 2NH3(g)

131. ## General Chemisty

4. The initial concentration for the compounds involved in the reaction shown were determined to be [ClF(g)] = 0.5789 mol/L, [F2(g)] = 0.5980 mol/L, [Cl2(g)] = 0.05037 mol/L. Calculate the value of the equilibrium constant (Kc) at 2500 K if the equilibrium

133. ## MATH

WRITE TO SHOW HOW YOU MAKE A TEN. THEN ADD. WHAT IS 9 + 7

134. ## Statistics

In a survey conducted by researchers at the University of Wisconsin, subjects were asked the question "Have you ever used cocaine?" in one of three methods, anonymous survey, personal interview, or phone survey. The contingency table below shows the

1. Solve for x. 4(x - b) = x b = 4/3x b = 3/4x x = 4/3b x = 3/4b 2. Solve for y, then find the value of y when given x = 2. 6x = 7 - 4y -12 7/4 19/4 24 I need help solving these. Can you please explain how to solve these problems?

136. ## algebra

evaluate t^0, when t=4

137. ## Math

Ginny has two quarters. For every week that Ginny does all of her chores, her mother increases the amount of money Ginny has exponentially. The equation y=0.5*3^x represents the amount of money that Ginny has after x weeks of doing all of her chores. What

139. ## math

can the commutative property be used for subtraction? explain

140. ## Physics

1)The speedometer on a car’s dashboard measure average speed average velocity instantaneous acceleration instantaneous speed 2)A car moving on a straight road increases its speed from 30 m/s to 50 m/s in a distance of 180 m. If the acceleration is

141. ## Algebra 1

22x+70=17x-95

142. ## Health

Which of the following lipoproteins carries dietary fat that is absorbed into the digestive system to the liver and body cells for use? a. Chylomicrons b. High density lipoprotein c. Micelle d. Low density lipoproteins I think its A is that correct?

143. ## Math

33. 5/8-7/12= 1/24 34. (-3/4)-(-5 1/2)= 5 1/4 25. 6 5/6- 2 1/3= 4 1/2 36. 12 1/2- 6 3/8= 6 1/8

145. ## maths

anyone can help me with this question plz .how u find the angle between side of hexagon which it has 6 different side and the length of each side is ,side1: 128mm, side 2:10mm, side3:112mm,side4: 82mm, side5:48mm,side6:30mm.

asked by john help me with this question plz
146. ## Physics

You are holding a bulletin board weighing 7.01 N in place against a wall while your friend secures it to the wall. To keep it from slipping, you apply a force perpendicular to the bulletin board, pressing it directly into the wall. How large must this

147. ## Geometry

In various constructions, you need to use the longer of two segments to construct the radius of a circle. Why do you think this is? What happens if you use the shorter segment?

148. ## Algebra Emergency

Find the inverse of 2/2x-1 and verify.

149. ## English Grammar

Fill in the blank using suitable preposition:- (1)He is sitting____the room.

150. ## world history

What role did the Greeks play in the creation of the Maurya Empire?

151. ## Chemistry

If the initial concentration of BrCl(g) is 4.680 mol/L, calculate the % of BrCl(g) left over after the reaction reaches equilibrium according to the balanced equation. The value of Kc at 500.0 K is 32.00. The initial concentration of the reaction products

152. ## Chemistry

Calculate the value of the equilibrium constant (Kc) for the reaction shown, if NO2(g) was found to be 95.54 % decomposed at 45.00 °C when its initial concentration was 5.725 mol/L. The initial concentration of the reaction products is 0 mol/L. 2NO2(g) =

153. ## Chemistry

Calculate the value of the equilibrium constant (Kc) for the reaction displayed if the following equilibrium concentration data were measured at 723.0 K: [N2(g)] = 2.936 mol/L, [H2(g)] = 2.933 mol/L, [NH3(g)] = 3.443 mol/L. N2(g)+3H2(g) = 2NH3(g)

154. ## programming c#

how do I Write a two class application that has a one-dimensional array as a data member. The array stores temperatures for any given week. Provide constructors for instantiating the class and methods to return the highest temperature, lowest temperature,

155. ## Chemistry

The initial concentration for the compounds involved in the reaction shown were determined to be [ClF(g)] = 0.5789 mol/L, [F2(g)] = 0.5980 mol/L, [Cl2(g)] = 0.05037 mol/L. Calculate the value of the equilibrium constant (Kc) at 2500 K if the equilibrium

156. ## Algebra Emergency!!

Find the inverse of f(x)=2x+1/x-1 and please VERIFY(CHECK) Thanks so much

157. ## HSM 260 checkpoint 6

I think the question is...we are only to use the year 2002 in Appendix D. Others are using 2002, 2003, and 2004, to come to the BEP. If an instructor asks for us to only use 2002, how can we complete the checkpoint accurately.

158. ## science

what are the class elements of the boron family? Ansere please and help asap

159. ## geometry

[1.04] If B is between A and C, AB=2x-1, BC=3x+5 and AC=24, what is the value of AB? Segment A C contains point B.

160. ## chemistry

What are standard temperature and pressure? Why was a standard needed?

161. ## calculus

Find the derivative... 1) f(u)= 1/ (2u^2-1)^2

162. ## physics

If a person is thrown to a maximum height of 26.0 ft above show calculations for _______ s (time below 13.0 ft) _______ s (time above 13.0 ft)

163. ## physical science

a 300 kg astronaut and equipment move with a velocity of 2.oom/s toward an orbiting spacecraft. How long must the astronaut fire a 100N rocket backpack to stop the motion relative to the spacecraft?

164. ## Math

Jessica needs 5 5/8 yards of fabric to make a skirt and 14 1/2 yards to make a coat. How much fabric does she need in all? 19 9/8

165. ## Physics

A person wearing a safety belt can withstand an acceleration of 300 m/s 2 . How thick should barriers be to safely stop a car that hits the barriers at 81.7 km/h? answer in m

166. ## Physics ASAP!!!

A person wearing a safety belt can withstand an acceleration of 300 m/s 2 . How thick should barriers be to safely stop a car that hits the barriers at 81.7 km/h? need final snswer in m

167. ## Geography

Why do the trees drop their leaves in the fall?

168. ## Physics

A small block of mass m = 194 g is released from rest at point A , along the horizontal diameter on the inside of a hemispherical bowl of radius R = 29.5 cm, and the surface of the bowl is rough. The block's speed at point B is 1.56 m/s.

169. ## English

Can anyone help me figure out what's wrong with this sentence? "The lighthouse is further away than it first appeared."

170. ## American History

informal changes to the constitution include. A.Treaties B.Laws passed in congress C. Supreme court decisions D. All of the above

171. ## Maths

The 14th term of an Ap is double the 4th term.find the 10th term if the 2nd term is 8

172. ## MATH

if john spent \$130 and matt spent \$480, john will have three times as much money left as matt. how much money did each boy start with ?

173. ## what is a good online dictionary ?

I have to do vocabulary for my social studies teacher but not all of the words are in the glossary of the text book

174. ## 5th grade math help

graph each integer on a number line -3