# Questions Asked onMay 23, 2010

1. ## MARKETING

Product is NOT concerned with: A. Packaging. B. Quality level. C. Branding. D. Wholesale price.

2. ## Math

An aluminum cylindrical juice can has a height of 4 in. and a radius of 6 in. How many square inches of aluminum are needed to make the can?

The following reaction occurs in an aqueous acid solution: no3- + I- -> IO3- + NO2 In the balanced equation, the coefficient of water is A. 4 B. 3 C. 1 D. 5 E. 2

4. ## precal

How do you solve: sin[arccos(-2/7)] ?

5. ## calculus/Trig

Suppose you wish to express sin(3t) in terms of sint and cost. Apply the sum formula to sin(3t) = sin(t+2t) to obtain an expression that contains sin(2t)=sin(t+t) and cos(2t)=cos(t+t). Apply the sum formulas to those two expressions. Enter the resulting

6. ## Growth Chart

Does anyone know what the stature for age percentiles means? The perecent of people that are this certain height/age in the country??

7. ## Chemistry

Calculate the enthalpy change (delta H) in kJ for the following reaction. 2Al(s) + Fe2O3 (s) ==> 2 Fe(s) + Al2O3(s) use enthalpy changes for the combustion of aluminum and iron. 2Al(s) + 3/2 O2(g) ==> Al2O3(s) Delta H: -1669.8 kJ 2Fe(s) + 3/2 O2(g) ==>

8. ## economics

With proportional income tax, a. The tax multiplier equals (MPC)(1-MPC) b. The tax multiplier equals –MPC/(1-MPC) c. The spending multiplier equals (MPC)/(1-MPC) d. The spending multiplier equals 1/[1-MPC(1-t)] e. The spending multiplier equals

For a child's birthday party, her family perpares goodies bags for the guests. each goodie bag contains 1 notepad, 2 pencils, 1 whistle, 2 cans of silly strings, 3 gummy bear packs, and 1 yo-yo. their current inventory is 30 notepads, 50 pencils, 28

what is the hydrogen ion concentration of an aqueous solution with a pOH of 9.262? I got 5.47X 10 ^-10 is this correct? Thanks Andy

11. ## Medical Terminology

Could someone please check my answers. If they are incorrect could you please give me the correct answers or tell me where I could find them.. Thanks... 1. A patient has unrealistic thoughts and behaviors despite an awareness that they’re inappropriate.

12. ## Physics 30

A particle accelerated by a potential difference enters a velocity selector. The particle travels staright when the magnetic field is 0.400 T and the electric field is 6.30 x 10^5 V/m. Once the electric field is turned off, a sensor determines that the

13. ## English: Plagiarism, Clichés

Is a Cliché phrase considered Plagiarism? (the author is dead more than 390 years ago.) Is it okay to use it in a writing piece or poem? Should/will it be penalized or will you be given punishment if only used in 8th grade? Thanks

14. ## accounting info. systems

The last step in the revenue cycle is cash collections. The accounts receivable department must know when customers pay their invoices, yet segregation of duty controls dictate that the collection and recording functions be kept separate from each other.

15. ## chemistry

C6H12O6(s) +6CO2(g) +6H2O9g) 1) given 2 moles of glucose and 14 moles of O2, how many moles of CO2 could be produced? 2) which is the limiting reactant ? 3) how many moles of the excess reactant remain?

16. ## college

How do i find the slope of the line containing the pair of points (5,4) and (7,-10)slope m= what

17. ## MARKETING

Which of the following is true? A. The product P in the marketing mix stands for both physical goods and tangible B. The product P in the marketing mix stands for only physical goods. C. The product P in the marketing mix stands for both physical goods and

18. ## Chemistry

Calculate the enthalpy change (delta H) in kJ for the following reaction. 2Al(s) + Fe2O3 (s) ==> 2 Fe(s) + Al2O3(s) use enthalpy changes for the combustion of aluminum and iron. 2Al(s) + 3/2 O2(g) ==> Al2O3(s) Delta H: -1669.8 kJ 2Fe(s) + 3/2 O2(g) ==>

19. ## Algebra

A theater ticket for adults is a dollars and the price of a child's ticket is C dollars. If 29 adults and 45 children attend the theater one night, how much money did the theater make? Cx45 is this the answer?

20. ## psychology

Trace the memory system from stimuli into long-term memory. Siscuss the features of each step and factors that enhance or impede information flow in each step of the process. Explain proactive and retroactive interference and how you might counteract their

21. ## german

du hast durchfall??

22. ## biology

Leptin is a hormone that is produced by fat cells and plays a role in body metabolism and obesity. Studies have demonstrated that when obese mice are injected with leptin they quickly lose their excess weight. Interestingly, however, many overweight people

23. ## English

I forgot to include the following sentences. 1) Among English teenagers are popular skinny jeans. 2)Gulliver takes an aversion for every thing at home because European society is losing its values.

24. ## Chemistry

How much heat, in joules, is necessary to raise the temperature of a 3.5g piece of aluminum from 22 degrees C to 37 degrees C? (J/g*C = .90 ; cal/g*C = .21)

25. ## chemistry

If 11.53g hydrogen sulfide reacts with 3.97g oxygen gas in the following reaction: 2H2S + O2 + H2O which is the maximum mass of sulfur that can be produced? which is the limiting reactant ? which reactant is in excess ? by how many grams?

26. ## Geometry

8)Suppose that a given parallelogram is not a rhombus or a rectangle. Which of the following can you conclude about this parallelogram? A) Its diagonals are perpendicular bisectors of each other. B) It is a square. C) Its angles are not all congruent. D)

27. ## Chemistry

What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide? 2H2O2 (l) ==> 2H2O (l) + O2(g)

28. ## management

Think of a recently completed group project that you have been involved in. This project may have been a student project, a group project, or an extracurricular project. Briefly describe the situation and choose one of the following to post on the

29. ## chemistry

do we have buffering region and ph=pka in any of these conditions: strong base vs strong acid strong base vs weak acid weak base vs strong acid weak base vs weak acid

30. ## Math

4/x=x/9 Solve for x

31. ## operation management

A quoting department for a custom publishing house can complete 4 quotes per day, and there are 20 quotes in various stages in the department. Applying Little’s Law, the current lead time for a quote is how many days?

32. ## Chemistry

At a particular temp, K = 1.6 x 10^-5 for the reaction: 2SO3(g) 2SO2(g) + O2 (g) If 4 mol of SO2 and 2 mol of O2 are placed into a 2.0L flask, calculate the equilibrium concentrations of all species. I set up an ICE table with SO3 to start with 0M and SO2

33. ## chemistry

Only 6.1 mg of calcium oxalate, Ca(C2O4) dissolves in 1.0 L of water at 25 Celsius. What is the solubility product of calcium oxalate?

34. ## English

I need an adjective to describe someone who does not like to take the lead, or initiative. Thanks in advance!

35. ## computer science

Current implementations of the ‘WiMAX’ wireless technology can support 2 Mbps connections at a distance of 10 km; calculate the propagation delay caused by the transmission time alone for a signal to travel 10 km.). Give your answer in seconds and in

36. ## Algebra

find three consecutive positive even integers such that the product of the second and third integers is twenty more than ten times the first integer. [only an algebraic solution can give full credit]

37. ## math

find area of cirle 3.9cm radius to nearest tenth? a=pie 3.14 x r squared 3.14 x 3.9(15.21) 3.14 x15.21 =47.75 nearest tenth =47.8cm squared is this the correct answer?

38. ## chemistry

What is the standard heat of reaction (Delta H^0) for the decomposition of hydrogen peroxide? 2H2O2 (l) ==> 2H2O (l) + O2(g)

39. ## computer science

Assuming that a typical popular music CD comprises 12 songs each of 8500 KB, what would the effective transmission speed need to be capped at in order to extend the download time to 2 hours? Express your final answer in bits per second, using scientific

40. ## US History (AP/CC)

I am studying the Great Depression and I understnad it pretty well except for all the factors dealing with Presidents at the time. Can you help please? How did Hoover respond to the Great Depression? How did the public view him, and use his name to define

41. ## Algebra

Use the discriminant to determine how many real number solutions the equation has. t^2 + 8t + 16 = 0

42. ## calculus

Write the complex number -4 x 3^1/3 - 4i in exponential form. I'm not sure how I use euler's formula to solve for this. A brief explanation would be greatly appreciated.

43. ## Calculus

The CN Tower is 553 m tall. A person is south of the tower, in a boat on Lake Ontario at a position that makes an angle of elevation of 100 degrees to the top of the tower. A second person is sitting on a park bench, on a bearing of 060 degrees relative to

44. ## Vectors

A 65-kg boy is sitting on a seesaw 0.6 m from the balance point. How far from the balance point should a 40-kg girl sit so that the seesaw remains balance?

45. ## Vectors

An airplane takes off at a ground velocity of 200 km/h toward the east, climbing at an angle of 14 degrees. A 20-km/h wind is blowing from the north. Determine the resultant air and ground velocities and their magnitudes.

46. ## com150

I can't find anything on the internet to support my subject in my expository essay can anyone help my topic is "Explain the practical value of studying chemistry". thanks

47. ## Biology

What biogeochemical cycles go on in a tropical rainforest? Thank you!!

48. ## Chemistry

Ba-140 has a half life of 13.0 days. What fraction of a sample of Ba-140 will remain after 39 days? A. 1/8th B. 1/16th C. 1/2th D. 1/4th

49. ## English

Would the word impaired be the same as the word crippled

50. ## chemistry

if you have 720 g of the compound CaBr2 how many moles of it do you have

The half-life of Xe-133 is 126 hours. Starting with 250. mg, after 500 hours around how many mg remain? A. 63 B. 16 C. 32 D. 125

52. ## Algebra

Write an equation of the line satisfyingg the given conditions. Slope = -2/3; y-intercept of 2

i need help finding a article that either relates to business productions, advertising or marketing - a canadian article plz asap thanx

In the reaction: n2(g) + 3H2(g) -> 2NH3(g), nitrogen is A. electrolyzed B. synthesized C. oxidized D. reduced e. None of these

55. ## Chemistry

The most abundant isotope of the element nobellum has a half-life of 58 minutes. After 174 minutes the sample has a mass of .300 mg. What was the orignal mass of the sample? A. 1.20 mg B. 4.80 mg C. .600mg D. 2.40 mg

56. ## English

Thank you very much for your last corrections. I really hope you can check these sentences, too. 1) I'm wearing a dark blue plain (?) zip-up hoodie. 2) I'm of white skin. Or I'm white or I have got a fair complexion. 3)You should help your mum with the

57. ## English

What is it when the oppressor and the victim go to court and the oppressor is found guilt, the victim has received or found their _________? If it is justice, is there another word for it?

58. ## statistics

To reduce theft, the Meredeth Company screens all its employees with a lie detector test that is known to be correct 90 percent of the time (for both guilty and innocent subjects). George Meredeth decides to fire all employees who fail the test. Suppose 5

59. ## English

Would this make sense: Tom found his justice.

60. ## English

1) In "To Kill a Mockingbird" does Mr. Underwood own the Maycomb Tribune? Does he control what goes in the Maycomb Tribune and what doesn't? 2) Is there another newspaper in Maycombe other than the Maycomb Tribune?

61. ## chemistry

How many g NO gas can be produced from 120 mL of 2.80 M HNO3 and excess Cu? 3Cu(s) + 8HNO3(aq) ---> 3Cu (NO3)2(aq) + 4H2O(l) + 2NO(g)

62. ## com 220

I am stuck on my assignment quoting, summarizing, and paraphrasing sources. I have my sources but I am not to sure how to fill out the appendix e? It is asking me to , and Can you give me a sample of what I am supposed to do?

63. ## Chemistry

Identify each enthalpy change by name and classify each change as exothermic or endothermic. a)1 mol C3H8 (l) ==> 1 mol C3H8 (g) b)1 mol Hg (l) ==> 1 mol Hg (s) c)1 mol NH3 (g) ==> 1 mol NH3 (l) d)1 mol NaCl(s) + 3.88kJ/mol ==> 1 mol NaCl (aq) e)1 mol NaCL

64. ## francis lewis high

a person with an injury to the extrinsic muscles of the eye would find it difficult to

65. ## science

all of the following are parts of the retina except rods, cones, fovea, lens

66. ## chemistry

Suppose 50.0 grams of magnesium reacts with 71.0 grams of hydrochlorie acid according to the foloowing equation: Mg(s) + 2HCl(aq) -> MgCl2(s) + H2(g) 1) What is the maximum mass of magesium chloride that can be produced? Maximum mass of magnesium chloride

67. ## Math

Jack decides to ride the ferris wheel. He board at 1m and is the last person on the ride. The diameter of the wheel is 16m and it takes 8sec for one complete revolution. Find the equation that represents Jack's height in relation to time. Then use the

68. ## Chemistry

Find the approximate pH range suitable for the separation of Fe3+ and Zn2+ by precipitation of Fe(OH)3 from a solution that is initially 0.048 M in both Fe3+ and Zn2+.

How can I type a website in MLA format on an annotated bibliography?

Susan has red, blue, and yellow sweaters. Joanne has green, red, and white sweaters. Diane's sweaters are red, blue, and mauve. Each girl has only one sweater of each color and will pick a sweater to wear at random. Find the probability that each girl

71. ## Vectors

Determine a unit vector that is orthogonal to both u=[3,-4, 1] and v=[2,3,-4].

72. ## CALCULUS

Show that the quadrilateral with verticies at P(0,2,5), Q(1,6,2), R(7,4,2), and S(6,0,5) is a parallelogram.

73. ## calc

A parallelogram has area 85cm squared. The side lengths are 10 cm and 9 cm. What are the measures of the interior angles?

74. ## algebra

The Answer is (32/20)^2=2.56times the kinetic enrgy at 20 m/s 2.56x4500 Problem The kinetic energy (k) of moving object varies jointly with it mass (m) and the square of its velocity(v). If an object has a mass of 22.5 kilgorams and moving with a velocity

75. ## Math

Which of the following conditions does not ensure that a quadrilateral is a parallelogram? A) Both pairs of opposite sides are parallel. B) The diagonals bisect each other. C) A pair of opposite angles are congruent. D) All of the above Can anyone tell me

76. ## Chemistry

The problem on my homework is: What mass in grams of iron metal is required to react with 2.50 L of .1500 M of sulfuric acid to produce 18.35g of iron (III) sulfate? please help!

77. ## Math

Suppose that a given parallelogram is not a rhombus. Which of the following can you conclude about this parallelogram? A) Its diagonals are perpendicular bisectors of each other. B) It is a square. C) Its sides are not all congruent. D) All of the above I

78. ## Math

The inside of your refrigerator might be set to a temperature of about A) -2.9°C B) 29°C C) 2.9°C D) 43.5°C I think the answer is C because that would put the temp in the 30's.

79. ## algebra

given g(x)= 12 - 5x Find g(5).

80. ## Engish

What does this mean"would have been granted a waiver of tuition for his son."

81. ## introductory algebra

I had these problems on my test and for some reason got them wrong. Here are the problems: Solve: x-y=9 x+y=1 The test states that the answer is (5,-4) I've checked ,y work and used substitution to solve this and still get x=4, y=-5. The second problem is:

82. ## chemistry

If the mole fraction of sulfuric acid (H2SO4) in an aqueous solution is 0.325, wat is the percent by mass of H2SO4?

83. ## History

I need to find information on the differences and similarities of art deco and pop art. Any suggestions?

84. ## math

how many side and angles does a trapezoid angle, hexagon, and pentagon have? solve each equation: 13 + y = -3, 3y + 8=3, y over 3= -9 need help with + & - rules for adding whole numbers, decimals, fractions and integers ( do not understand) and rule for

85. ## English

Can you please check this sentence for me, please? Thank you for your invaluable help. 1) I like this singer for his determination and energy transmitted (?) during his concerts. In spite of his illness, which affected the last years of his life, he

86. ## english

Can anyone explain to me exactly why the phrase "Let me explain you something" is grammatically incorrect?

87. ## mgt 435

What can leaders do to be more prepared for employee reactions to change?

88. ## math

need help with adding whole numbers, decimals, fraction and integers. do not understand when answer should be + or -. what is the rules?

89. ## Food engineering/biology

Hey Can anyone help me out with this problem. For part a i understand i plot microbial numbers against time on semi log paper to determine D value for the two temperatures. But i'm unsure how to do part b. Alicyclobacillus acidoterrestris is a quite hat

90. ## Spanish

My spanish teacher assigned us a project to write a children's book. I wrote a sorta different version of the boy who cried wolf. Can someone please help me correct my grammar? :] (p.s. each number is a different page) El Muchacha Que Grito El Perro 1.

91. ## math/trigonometry

solve this equation by completing the square. x^2+4x-21=0

92. ## LIB

the threat of default can often win a third world country concessions from its lenders? true or false

kyle just started a new job that pays \$7 per hour. He had been making \$5 per hour at his old job. Kyle worked a total of 54 hours last month and made \$388 before deductions. How many hours did he work at his new job?

94. ## algebra

a+ sqrt 2 = 7 Solve the question for both the exact irrational root and its rational approximation to the nearest tenth. THANK YOU FOR YOUR TIME AND HELP

95. ## math

Today the Center City baseball team scored 5 runs. The day before yesterday they scored w runs. How many runs did they score in these two days?

96. ## Physics

Sally travels by car from one city to another. She drives for 28.0 min at 63.0 km/h, 50.0 min at 40.0 km/h, and 50.0 min at 43.0 km/h, and she spends 13.0 min eating lunch and buying gas. Find the trip's average speed and total distance traveled...

97. ## Algebra

Please help me solve this problem the kinetic energy (k) energy of a moving object with varies jointy with it mass (m) and the squareo of its velocity (v). If an object has an mass of 22.5 kilograms and moving with a velocity of 20 meters per secomd has a

98. ## English/S.S

Can anyone post words that are the same as "split". By split I mean, splitting a group of people because of their diverse opinions on imperialism.

99. ## Chemistry

Consider the reaction below: 4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products have concentrations equal to 12M. At equilibrium, what is the approximate concentration of oxygen?

100. ## Chemistry

Consider the reaction below: 4NH3(g) + 3O2(g) -> 2N2 + 6H20, K=10^80 @ certain temp initially, all the reactants and products have concentrations equal to 12M. At equilibrium, what is the approximate concentration of oxygen?

101. ## Algebra 2

Can someone help me figure these out? I think if someone can explain how to do one of them then I'll be able to do the other. please and thank you. Suppose θ is an angle in standard position whose terminal side is in the given quadrant. For each function,

102. ## math

The area of a rectangle of length l and width w is given by the formula A = lw. Ann's backyard is rectangular with a length of 36.8 yards and a width of 27.9 yards. Find the area of Ann's backyard. 36.8x27.9=1026.72area of ann's backyard can someone please

103. ## algebra

1/(x-2) - 1/x= 1/3

104. ## science

what is a dormancy? i have to write one paragraph.

105. ## math

\$36.80 + 56%=

106. ## trig

Find all values of [theta] in the interval 0°

107. ## Algebra

Determine if the relationship represented in the table is linear. If it is linear, write an equation. how do you determine if a table is linear here is the table I am looking at.... x 2 5 7 10 12 20 y -3 0 2 5 7 15 please guide me in the right direction...

108. ## calc

The points P(-2, 1), Q(-6, 4) and R(4,3) are three verticies of parallelogram PQRS . Find the coordinate S.

109. ## math

Three pieces of wood are needed for a project. They are to be cut from a 90-cm-long piece of wood. The longest piece is to be 3 times as long as the middle-sized piece and the shortest piece is to be 10 cm shorter than the middle-sized piece. Can this be

110. ## Algebra

4xsquared - 7x - 2 = 0 Solve the quadratic function

111. ## Geom

What is the approximate angle of elevation when a person is 74" tall and the person's shadow is 70" long?

112. ## college

i want a custom Business law case written. It's about a page or two.

113. ## soc

do the consequences of punishment provide any beifits for criminals and society

114. ## chemistry

when do we have pka=ph

115. ## soc

which type of punishment deter crime most effectively

116. ## cultural diversity

what are some of the changes the United States has made to policies concerning the treatment of Muslim and Arabic members of society?

117. ## chemistry; acids and bases

A common constituent of kidney stones is Ca3(PO4)2, calcium phosphate. Are kidney stones containing Ca3(PO4)2 more likely to form when the urine is acidic or when it is basic? Explain.

118. ## soc

which type of punishment deters crime most effectively. and why. retribution, deterrence, rehabilitation and societal protection.

119. ## Chem/science

What is the conjugate acid of HC5H6O4-?? Is it HC5H6O42-?? thanks andy...

120. ## speech writing

speech on educaton and its new terms

121. ## Math

A basketball player has a 40% shooting average from the free-throw line. If she takes two free throws, estimate the probability that she will make both of them. Use the following list of digits which was taken from a table of random numbers. Let the digits

122. ## Engineering

We estimate that today c.89% of homes can readily get a 2Mbps (or higher) broadband service from cable, ADSL or wireless means. This means that c.11%, or about 2.75m, homes cannot readily get a 2 Mbps (or higher) broadband service today. We believe the

123. ## Math help

Ormeau Park in Belfast has an area of about 25 cm2 on the same map. Calculate the area of the park on the ground. Give your answer in km2, correct to 2 significant figures

124. ## soc

does punishment deter crime and why

125. ## English

Can you tell me if the following sentences or phrases are possible? Thank you very much in advance. 1) I'm wearing a pair of blackt trainers withe the logo Nike on them, 2) Did you have to work this weekend? 3) I usually wear patterned, checked or striped

126. ## edit plz!

Everyone has at least one interesting and/or important person they know in their life that they admire, just like that I admire the most is my one and only big brother, that there are many positive characteristics I can use to describe him. I have stated

127. ## English

1. He wants to take a lot of pictures of baby. 2. He wants to take a lot of pictures of the baby. 3. He wants to take a lot of pictures of babies. 4. He wants to take a lot of pictures of a baby. (Are they all grammatical? What about #1? Is Sentence 1

128. ## physics

white light goes through a magenta filter, then a cyan filter. draw each step on a diagram. what colors is white light comprised of?

129. ## Electronics

How does a thyristor work when using ac voltage?

130. ## math

Find the other endpoint of a line segment with the given midpoint and one endpoint. Endpoint: (0, 0); Midpoint: ( 2, -8)

131. ## algebra

y^2-4y+3/y^2*4y+12/y^2-2y+1 2y(2y+3)/ I need some help with this problem please I can not seem to work it right.

For high quality representation of an analog waveform that varies between 10Hz and 100Hz, a digital data acquisition system will have to record data at what minimum frequency? a. 1000 sps b. 5000 sps c. 200 sps d. 100Hz e. 50Hz

133. ## Algebra

A password consists of three digits, 0 through 9, followed by three letters from an alphabet having 26 letters. If repetition is allowed but repitition of letter is not allowed, determine the # of different passwords that can be made. I have....

134. ## Finance 301

The net present value always provides the correct decision provided that ____________

135. ## algebra

x^2+x/x^2-6x+8/x^2+3x+2/2x^2-7x+6 can some help me please...

Susan has red, blue, and yellow sweaters. Joanne has green, red, and white sweaters. Diane's sweaters are red, blue, and mauve. Each girl has only one sweater of each color and will pick a sweater to wear at random. Find the probability that each girl

137. ## Algebra

Under what situation would one or more solutions of an equation with rational expressions be unacceptable? Need examples.

138. ## Math

The probability that a school bus is late is 0.04. How many times would you expect the bus to be late in a 5-week period?

139. ## math

solve: 5x^3=30x-25x^2

141. ## math

X(X+5)(X-4)=X^3

142. ## Algebra

Find the midpoint of the line segment having the given endpoints. ( 8, -4) and ( -7, 8)

143. ## Algebra

so the answer for 3 consecutive positive even integers such that the product of the second and third integers is 20 more than ten times the first integer........the answer is n=6 and n=-2

144. ## algebra

list all the possible rational zeros of f using the rational zero theorem. then find all the zeros of the function. 1. f(x)=x^2-6x+5 2. f(x)=x^3+x^2-10x+8

145. ## algebra

Which of the following is equivalent to the expression (t2 − t − 6)(t − 3)−1 ? a. t3 − 9t +18 b. (t − 2)(t + 3) c. (t + 2)(t − 3) d. (t − 2) e. (t + 2)this is the answer how is the problem worked out?

146. ## chemistry

Explain why a suspension is considered a heterogeneous mixture.

147. ## chemistry

How much energy would be needed to vaporize 150 grams of ethanol when it is at its boiling point? Hear of Vaporization (kj/kg)...841.00

148. ## Chemistry

Identify each enthalpy change by name and classify each change as exothermic or endothermic. a)1 mol C3H8 (l) ==> 1 mol C3H8 (g) b)1 mol Hg (l) ==> 1 mol Hg (s) c)1 mol NH3 (g) ==> 1 mol NH3 (l) d)1 mol NaCl(s) + 3.88kJ/mol ==> 1 mol NaCl (aq) e)1 mol NaCL

149. ## physics - electricity

Does the size of a 1,5V cell(battery) affect the internal resistance of a circuit containing: 3 different size batteries,multimeter,connecting wire,a light bulb resistor.How do i set up this experiment.I'm really lost, please help. Thank you in advance

150. ## statistics

A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean high degrees of approval of one's social role). The results are as follows: Ethnic Group A: N = 15 M= 55 S2 = 6.5 Ethnic Group

151. ## ACCOUNTING

cost,volume and profit formulas

152. ## Math

suppose that you know that a given parallelogram has at least one right angle and at least two adjacent sides that sre congruent. Can you make a conclusion about what kind of parallelogram this is? I say no because it can be a square or a rectangle.

153. ## algebra

if one card is selected at random from a standard deck of 52 cards, what is the probability of choosing a black card or a king?

154. ## Math

What is the measure of the point angle for a star-shaped polygon with 8 points and a dent angle of 130 degrees?

156. ## english

Using the four basic plot elements from the dramatic plot (exposition, complication, climax, resolution), how would I outline the progression of the main conflict in "The Miracle Worker"?

157. ## chemistry

contrast ionic and molecular substances in terms of the types of attractive forces that govern their behavior

158. ## Biology

Divide the Cnidarian specimen into two groups. What feature did you use to make your divison? I just need a two sentence answer not a essay.

159. ## math

Suppose that a natural number from 1 through through 11 inclusive is selected at random. What is the probability that the number selected is even if you know that it is prime?

160. ## Chem/science

what is the ph of 2.62 x 10 ^-2 M HBr solution? I get 5.94 is that right? thanks andy

161. ## English

I need a character trait to describe someone who does not think or plan ahead. Thanks in advance!:)

the solubility of silver sulfate in water is 0.223%(w/v) at 35 degrees celsius.calculate the solubility product of this salt at this temp. I got 1.46 X 10^-6 M is this right please thanks Andy

163. ## math

What is the greatest amount of postage you can not pay using only 7 and 11 cent stamps?

164. ## Chemistry

I don't know how to start this problem. Someone can help me please. One dm3 of a solution was prepared containing 0.0040 mole of Pb(NO3)2. The Ksp of PbCI2 for the existing conditions is 2.4 x 10^-4. From the list below, choose the smallest numbers of

165. ## Algebra 2

Can someone help me figure these out? I think if someone can explain how to do one of them then I'll be able to do the other. please and thank you. Suppose θ is an angle in standard position whose terminal side is in the given quadrant. For each function,

166. ## Human Services Management

There are four forecasting techniques described in the text. Briefly describe the merits of each one and identify the one you feel is most beneficial in forecasting for a human service organization.

167. ## English

In To Kill a Mockingbird what is the place that Tom Robinson has to go to after Tom was accused of being guilt? Prison? I remember reading that he tried to escape, climbing a fence of a ____?

Which is NOT a chareteristic property of acids? A: react with carbonate to yield CO2 gas B: taste sour C: neutralize bases D; turns litmus red to blue E:reacts with metal to yield H2 gas I reckon its D because isnt it the other way around ? Blue to red

169. ## math

Find the smallest positive whole number that when multiplied by 999 does not contain a 9 as one of its digits.

How do you diagram the following sentence: Who bravely dares must soemtimes risk a fall.

171. ## gr9math

how many sides does a polygon have if the sum of its interior angles are a) 1080 b) 1260 How could i figure this out without being able to know how many sides the polygon has?

172. ## Edit plz!

Everyone has at least one important person they know in their life that they admire, just like that I admire my one and only big brother the most, that there are many positive characteristics I can use to describe him. I have stated both positive and

173. ## Calculus

Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3].

174. ## Math

What is the measure of the point for a star shaped polygon with 8 points and a dent angle of 130 degrees? How do I work this out?

175. ## math

Find the ratio of the volume of the cylinder to the volume of the hemisphere, given that the height, h, of the cylinder is equal to the diameter, d, of the hemisphere.

176. ## calculus

Now we prove Machin's formula using the tangent addition formula: tan(A+B)= tanA+tanB/1-tanAtanB. If A= arctan(120/119) and B= -arctan(1/239), how do you show that arctan(120/119)-arctan(1/239)=arctan1?

177. ## CALCULUS

A triangle has verticies A(-2.1,3), B(7,8,-4), and C(5,0,2). Determine the area of triangle ABC.

178. ## Calculus

Resolve u=[3,4,7] into two orthogonal vectors, one of which is collinear with v=[1,2,3].