# Questions Asked onMay 4, 2014

1. ## Chemistry

Balance the following equation for a half reaction that occurs in basic solution. Use e– as the symbol for an electron. SO3^2- ---> S2O4^2-

2. ## Chemistry

Using a table of standard reduction potentials, determine the best answer to the following questions. a) Which of the following reagents would oxidize Cr to Cr3 , but not Ag to Ag ? Choices: Ca^2+, Br2, Co^2+, Ca, Br^-, or Co. b) Which of the following

3. ## Chemistry

In a particular redox reaction, MnO2 is oxidized to MnO4– and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in acidic solution. Phases are optional. MnO2 + Cu^2+ ---> MnO4^- + Cu^+

4. ## Physics

A vibrating point on a spring travels 60 mm during three cycles. What is the amplitude of the vibration?

5. ## Chemistry

Ethanol (C2H5OH) melts at -114 degrees Celsius. The enthalpy of fusion is 5.02 kj/mol. The specific heats of solid and liquid ethanol are 0.97 J/g-K, respectively. How much heat (kJ) is needed to convert 25.0 g of solid ethanol at -135 degrees Celsius to

6. ## CRJ

1. Which of the following was an impact on policing as a result of WWII? (Points : 1) The Pendelton Act An increase in educational requirements for police A shortage of experienced officers The adoption of residency requirements for police Question 2. 2.

7. ## statistics

John Davis, a manager of a supermarket, wants to estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?

8. ## math check probability

5. A bag contains 7 green marbles and 4 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? A. 7:11**? B. 7:4 C. 4:7 D. 3:7 ------------------------------------ 6. Food Express is running a special promotion

9. ## Statistics

Reginald Brown an inspector from the department of weights and measures, weighs 15 eighteen-ounce cereal boxes of corn flakes. he finds their mean weight to be 17.78 ounces with a standard deviation of .4 ounces. are the cereal boxes lighter than they

10. ## statistics

a medication is 75% effective against a bacterial infection. find the probability that if 12 people take the medication, at least 1 person"s infection will not improve

11. ## Geometry

Which if the following is equivalent to 7pi/4? A.285 degrees B. 305 degrees C. 315 degrees D. 330 degrees E. 375 degrees

12. ## english

Paraphasing practice In 1857, a British expedition led by Richard Burton and John Speke set out to find the great lakes shown on Ptolemy's map. After reaching Lake Tanganyika, the two men split up because Burton was ill.

13. ## Chemistry

Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Zn2 ] = 0.842 M and [Ni2 ] = 0.0100 M. Standard reduction potentials can be found here. reaction: Zn(s)+Ni^2+(aq)--->Zn^2+(aq)+Ni(s) standard reduction Zn: -.76

14. ## English

Fill in the blank with verb in parentheses Have you ever ___ to prom before?___last year as a sophomore Thanks

15. ## math

List the three sections of the statement of cash flows.

16. ## chemistry

A 2.00 g sample of a particular compound was dissolved in 15.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85ºC. For pure CCl4, TB = 76.50ºC and KB = 5.03°C·kg/mol Calculate the boiling point elevation, ΔTB,

17. ## AStronomy/ Math

I do not understand how to do one of my online homework questions: What is the Schwarzschild radius of a 100 million-solar-mass black hole? The mass of the Sun is about 2 × 1030 kg, and the formula for the Schwarzschild radius of a black hole of mass M

18. ## business&technical english

When you know your audience would be receptive to your message, you use ------ approach.

19. ## MATH

On a TV game show, a contestant makes $600 for every correct answer but loses$500 for every wrong answer. After answering 22 questions, Sarah broke even. How many questions did she answer correctly?

20. ## math

SHURGRO fertilizer contains 18% ammonia plus carbon compounds.If 80% of the ammonia contains the chemical element nitrogen, what percent of this fertilizer is nitrogen? a. 14.4% b. 18% c. 38% d. 40% e. 62% please answer and explain

21. ## science

1. Why do earthquakes occur along the San Andreas Fault? a. Two plates meet at the San Andreas Fault and they slide next to each other causing earthquakes b. Two plates converge at the San Andreas Fault causing earthquakes*** c. Two plates pull apart at

22. ## physics

the length of nylon rope from which a mountain climber is suspended has a force constant of 1.40*10^4. how much would this rope stretch to break the climbers fall if he freefall 2.00 m before the rope run out of slack

23. ## math

Paul bowled 6 games today. His scores are shown below. Game 1: 158 Game 2: 124 Game 3: 110 Game 4: 167 Game 5: 146 Game 6: 165 a. What was Paul's median score for the 6 games? Answer: 152 b. What was Paul's mean score for the 6 games? Answer: 145 c. Paul

24. ## Physics

A soccer player kicks a 0.43 kg ball straight up to see how far it will rise. The ball starts with a velocity of 16m/s at a height of 0.85m above the ground. It rises then falls straight down to the ground. a) what is the total energy of the ball just

25. ## Statistics

σ = sqrt[ P * ( 1 - P ) / n ] = sqrt [(0.8 * 0.2) / 100] = sqrt(0.0016) = 0.04 z = (p - P) / σ = (.73 - .80)/0.04 = -1.75. What type of formula is this problem?

26. ## finance

It’s been two months since you took a position as an assistant financial analyst at Caledonia Products. Although your boss has been pleased with your work, he is still a bit hesitant about unleashing you without supervision. Your next assignment involves

27. ## Math (check)

4. A spinner is divided into 10 equal sections numbered from 1 to 10. You spin the spinner once. Find P(not even). A. 1/3 B. 1/2 C. 1/5*****? D. 1/4

28. ## mathematics

Two equal circle touch externally at point P. PX and PY are chords in the respective circles which are perpendicular. If the centres Are A and B. Show that AX is parallel to BY and AXYB is a parallelogram.

29. ## Assessment In Ece

Eastern cultures consider a child's standing up for his own rights

30. ## Science

Explain the energy transformations during skydiving Explain what happens once a skydiver reaches terminal velocity please help...i cant find any information...please note that I need to EXPLAIN

31. ## algebra

preform the given set operation U= 1,2,3,4,5,6,7,8,9,10 {1,3,6}{2,4,9}

asked by Mary Ann
32. ## math

It has been estimated that 0.8% of a certain country's population are homeless. Now 0.8% is a small percentage, but there are approximately 313 million people in the country, and 313 million is a large number. Approximately how many people are homeless?

33. ## math

Your optimal exercise heart rate for cardiovascular benefits is calculated as follows: Subtract your age from 220 and then find 80% of the difference. the rate for a 40 year old is 144 and the rate for a 10 year old 168 Rounded to the nearest whole number,

34. ## Math

Find the quadratic polynomial whose graph goes through the points (-2,5), (0,5), and (1,11). f(x)= ______x^2+ ______x+ _______

35. ## chemistry

A balloon of methane gas, CH4, has a temperature of -2 degrees celcius and contains 2.35g of the gas. What is the temperature in kelvin and how many moles of gas does the balloon contain?

36. ## math

what is the rule for the function shown in the table below? x -1 0 1 2 y -2 1 4 7

37. ## MATH ✿╣Check╠✿

A bag has 6 green marbles, 4 red marbles, 5 yellow marbles, and 3 purple marbles. What is the probability of choosing a purple marble? 1/6**? 6/18 3/20 1/9

38. ## MATH ✿╣Check╠✿

8. There are 5 different cookies in a bag. One of them is your favorite, chocolate chip. What is the probability that you will not get your favorite? 1/5 2/5 24/25 4/5**?

39. ## Medical ethics

What should I expect from this course. The title pretty much explains it but I would like some more detailed information please

40. ## Statistics

Dr. Hernandez plans to measure FEV in a random sample of n young women from a certain popu- lation, and to use the sample mean y ̄ as an estimate of the population mean. Let A be the event that Hernandez’s sample mean will be within ±100 ml of the

41. ## applied statistics

how to remember the difference between dependent and independent variable and which one is X n Y ?

42. ## physics

suppose the length of a clock's pendulum is increased by 0.01 exactly at noon what time will be exactly next day by noon

43. ## Statistics

If I'm sampling 50 people and 35 people liked Pepsi instead of Coke how can i apply that to the test statistics for a mean t=x(bar)-mule/s/ square root n

44. ## math

The distance between two points is correctly expressed as 720 statute miles or 630 nautical miles. Which of the following most closely approximates the value of one statute mile in terms of nautical miles? a. 0.88 b. 0.89 c. 0.90 d. 1.14 e. 1.25 please

45. ## Math- Statistics

An epidemiologist is planning a study on the prevalence of oral contracep- tive use in a certain population. She plans to choose a random sample of n women and to sue the sample proportion of oral contraceptive users (pˆ) as an estimate of the population

asked by Needs Help
46. ## English

It for speech i represent at school.english is the language of opportunity.why bother to teach indigenous languages?

asked by Thembeka nzama

52. ## math

A rikhshaw covered 2 km/hr and return back at a speed of 11 km/hr find the average speed of the rickshaw

53. ## Criminal Justice - Ethics

Which of the following concepts best captures the utilitarian notion that each person's welfare is equally important and, thus, that no one person's happiness should be regarded as more important than any other person's? A. Fecundity B. Psychological

54. ## Algebra I

what does factoring the sum or difference of two cubes mean

55. ## Algebra

Solve. • x = 2 • x = –2 • x = 28 • x = –28 How?

56. ## Physical science

a swimming pool is 25 m long and 10 m wide and is filled to an average depth of 1.5 m how many kilogram of water does it contain?

i did all of them except these i need help all the questions look like they repeat themselves i don't know if i'm doing them correct 1.how does shakespeare use situationaL irony in act 1 to introduce or develop the impulsive thinking theme 2.what is verbal

58. ## chemistry

the mass of a certain mixture of BaO and CaO is found to be exactly one half that of the mixed sulfates formed from it by the action of H2SO4. calculate the percentage of BaO and CaO in the mixture.

59. ## algebra

(7 square of p)/ (square of p)

60. ## English/Mythology

What is ironic about the death of Jason and Theseus from Greek mythology

61. ## English/Mythology

What is a ritualistic interpretation of the story of Theseus

62. ## chemistry

The chemical reaction for dissociation of an acid is: HA + H2O → H3O+ + A- Assuming all of the hydronium ion (calculated in in the previous problem) comes from this reaction, what is the concentration of conjugate base, [A-], in this system?

63. ## chemistry

The acid dissociation constant, Ka, for this reaction is given by the following formula (this is also in your book): Ka=[H3O+][A−][HA] The acid concentration, [HA] is given in the introductory information of this problem. Using this information and your

64. ## science

Predicting Table of radioactive isotopes below Isotope type of decay Uranium-238 Alpha Nickel-63 Beta Iodine-131 Beta Radium-226 Alpha With the help of a periodic table, predict the element that forms in each case. Explain your reasoning.

65. ## chemistry

1. A 2.00 g sample of a particular compound was dissolved in 15.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85ºC. For pure CCl4, TB = 76.50ºC and KB = 5.03°C·kg/mol Calculate the boiling point elevation,

66. ## chemistry

What is the pH of a solution if [H+] = 2.3 x 10–5 M?

67. ## Ethics in Criminal Justice

Which of the following, according to Carl Klockars, is NOT an important consideration in determining whether the good ends of police work justify immoral means in a given scenario? A. Are there other, non-dirty, means that may be effective but that we may

68. ## English

Traditional african marriage is an advantage for men only not women

69. ## Physics

A 0.45kgkg mass oscillates in simple harmonic motion on a spring with a spring constant of 160N/mN/m .What is the period of the oscillation?

70. ## Math

A wheel with radius 2 cm is being pushed up a ramp at a rate of 6 cm per second. The ramp is 520 cm long, and 260 cm tall at the end. A point P is marked on the circle. How far does the wheel travel in one rotation?

71. ## Science

What happens to the resultant force on each point of the skydive?

72. ## math

Describe how the QuickZoom feature of QuickBooks does or does not provide the same help in the statement of cash flows as it does in the income statement

73. ## algebra

Which of the following ordered pairs is included in the solution set of the system, y < 2 - 2x and y > 2x -3? (4, 0) (0, 0) No Solution (3, 4) 2. Choose all correct answers. Which of the following are solutions of the system? x < 3 and x + y < 5 (2, 2) (4,

74. ## English

NEtholic REvolution -->How did agricultural advancements impact society? What are three reasons for that? How did agricultural advancements impact society?

Hercules Films is deciding on the price of the video release of its film Bride of the Son of Frankenstein. Marketing estimates that at a price of p dollars, it can sell q = 240,000 − 15,000p copies, but each copy costs $4 to make. What price will give asked by Dominic Cigliano 76. ## finite math Hercules Films is deciding on the price of the video release of its film Bride of the Son of Frankenstein. Marketing estimates that at a price of p dollars, it can sell q = 240,000 − 15,000p copies, but each copy costs$4 to make. What price will give

asked by Dominic Cigliano
77. ## Global History

I need answers for "GLOBAL HISTORY REGENTS REVIEW" packet. Associated names are Mr. Moeller and Mrs. Sita. I can't find answers anywhere. The packet can be found blank online here: johnbowne DOT

78. ## French

We have to respond to these questions in the negative form.I did some but need help with these. Please help, please and thanks Est-ce que les artistes ont utilise des boutons dans le collage? Est-ce que les visiteurs ont mange du gateau a l'exposition?

79. ## Algebra

The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 7 hours to drive the distance at 55 miles per hour, how long will it take to drive the same distance at 65 miles per hour? • about 6.25 hours • about

80. ## physics

12.8 kg of ice at 0 C is dropped into 3.3 kg of water at C. What fraction of the ice melts? =

81. ## Physics

8.2 kg of ice is taken from a temperature of -49 C into steam at 123 C. What is the energy used? Q_total =

asked by Joseph Smith
82. ## physics

Question Part Points Submissions Used 1 2 3 4 0/0.37 0/0.37 –/0.37 –/0.37 4/15 1/15 0/15 0/15 Total 0/1.48 ...A diamond in air is illuminated with white light. On one particular facet, the angle of incidence is 46.05°. Inside the diamond, red light

83. ## Algebra 1b

Determine the equation of g(x) that results from translating the function from f(x)=(x+2)^2 to the right 6 units

84. ## Chemistry

If you dissolve 13.5 g of malic acid, C4H6O5, in half a liter of water (0.500 L), what is the molarity of the acid in the solution?

85. ## math

Sunflower seeds are sold in packages that weigh 5 1/4 ounces. If there is a supply of 357 ounces of sunflower seeds. how many packages of seed can be made?

86. ## CHEMISTRY

The enthalpy of solution of nitrous oxide (N2O) in water is -12 kJ/mol and its solubility at 20 oC and 1.00 atm is 0.121 g per 100. g of water. Calculate the molal solubility of nitrous oxide in water at 1.600 atm and 20 oC. Hint, first find Henry's law

87. ## math

a case of diet cola costs $7.23. If there are 24 cans in a case, find the cost per can. Round to the nearest cent. then find the number of cans you can buy per$1. Round to the nearest ten. Which number is more useful? why?

88. ## physics

A 3.8 kg ball is rolling along a slippery road at 1.5 m/s E. It then rolls onto a patch of grass and slows to a stop over a distance of 3.6 m a) calculate the total work on the ball b) calculate the net force that caused the ball to come to a stop (force

89. ## Physics

A car's engine is only 12% efficient at converting chemical energy in gasoline into mechanical energy. If it takes 1.8 x 104 N of force to keep the car moving at a constant speed of 21 m/s, how much chemical energy would be needed to move the car a

90. ## help

A sound wave travels at 343 m/s and a compression passes by every 12 ms. What is the wavelength of this sound?

91. ## law

The crime analysis technique involves the study of crime and/or social problems in a specific area is Tactical crime analysis

92. ## chemistry

Can CoBr2+ NH4Br + NH4OH ---> Co^2+ (aq) + 2NH3 (l) + H^+ (aq) + H2O (l) + 3Br^- form the complex [Co(NH3)5Br]Br2 if so please explain

93. ## business&technical english

. When business messages use a/an ----- or ------ attitude, they risk sounding selfish and uninterested in the audience.

94. ## business&technical english

When we avoid using words and phrases that unfairly or even unethically categorize or stigmatize people in ways related to gender, race, ethnicity, age or disability, this is called

95. ## business&technical english

--------- language is used to make comparisons in business communication

96. ## Algebra

I have to identify the system of equations, if any for: -2x-4=1, 12=-6x-3 no solution? infinitely many solutions? (0,-1)? or (-1,0)?

97. ## chemistry

Pasta packages often have different direction for cooking at high altitudes. a.) According to the directions, should you boil the pasta for a longer to shorter time? Why? b.) If the pasta water boils rapidly over medium-high heat, is there any reason to

98. ## English

What kind of dialogue should I write with this? Write an example of a very brief dialogue between at least 2 people who are talking about a recent event. The characters should be about your age(15).

99. ## math

In 2007, 19.6 percent of a certain country's children were living in poverty. If there were 72.8 million children, what number were living in poverty? Express the amount as a whole number.

100. ## what is the answer

An object 8.1 feet tall casts a shadow that is 24.3 feet long. How long in feet would the shadow be for an object which is 20.1 feet tall?

101. ## algebra

Let U= 1,2,3,4,5,6,7,8,9,10 {12345 n 34567 Thank you

102. ## Economics

Why is the south african government is not providing enough welfare on subsidies to the poor and underpriviledged?

103. ## math

Your optimal exercise heart rate for cardiovascular benefits is calculated as follows: Subtract your age from 220 and then find 80% of the difference. Find the optimal heart rate for a 40-year-old and for a 10-year-old. Rounded to the nearest whole number,

104. ## statistics

A researcher was interested in assessing the effectiveness of the Statistics Diet as compared to a regular low calorie diet on weight loss. In the study, obese participants were randomly assigned to one of two groups: (1) the Statistics Diet, which

105. ## Spanish Proofreading

I haven't been able to meet with my Spanish professor to go over my short composition (it basically had to be a past narration using only the preterite and imperfect). If any Spanish speakers wouldn't mind reading it and letting me know what I need to

106. ## statistics

It is known that the population mean for the Quantitative section of the GRE is 500, with a standard deviation of 100. In 2006, a sample of 400 students taking the GRE, whose family income was between $70,000 and$80,000, had a quantitative GRE score of

107. ## statistics

A researcher is interested in whether herbal remedies are effective in relieving allergies, and if so, which ones are most effective. The researcher takes a group of 20 allergy sufferers and randomly assigns each one to receive herbal tea, a homeopathic

108. ## Chemistry

Long question but its my last one for homework and im stuck on this word problem. Biomass is represented by the empirical formula C60H87O23N12P. Write a balance equation for the oxidation of C60H87O23N12P with O2 to form CO2, H2O, HNO3, and H3PO4 beginning

109. ## math

Four similar glass tumblers just fit into a cubical box.The area of the top of the circular cover of any one of the tumblers is 4 pi.The area of each side of the box is a. 16 b. 32 c. 32 pi d. 64 e. 64 pi please answer and explain

110. ## What animals eat

1. What does a hippopotamus(hippo) eat 2. What does a koala eat 3. What does a monkey eat 4. What does a leopard eat CHOICES 1.gum leaves 2.fruit, nectar 3.antelope 4.grass Thanks!

111. ## Science

4. To identify the genotype of yellow-seeded pea plants as either homozygous dominant (YY) or heterozygous (Yy), you could do a test cross with plants of genotype ________. (explain your answer) Do we do a punnet square?

112. ## Astronomy

Imagine you are in a spaceship one million km from a black hole of mass kg. Initially you are flying directly away from it at a velocity of 16.9 km/s. Using the n-body approximation, what is your velocity one second later? Type your answer in metres per

145. ## chemistry

The pH of a 0.00100 M solution of a particular acid is 4.95 at 25°C. Use the solution pH to calculate the concentration of hydronium ion present [H3O+]

146. ## english

I need help with some conversation examples! 1) Write an example of a conversation between at least 2 adults who are talking about the possibility of one of them getting a new promotion with their current company. 2) Write an example of a very brief

147. ## Math

Solve the following equation. y = 6 - x and y = x - 2

148. ## physics

Sunlight strikes the surface of a lake at an angle of incidence of 44.5°. At what angle with respect to the normal would a fish see the Sun?

149. ## physics

A diamond in air is illuminated with white light. On one particular facet, the angle of incidence is 46.05°. Inside the diamond, red light (ë = 660.00 nm in vacuum) is refracted at 17.38° with respect to the normal; blue light (ë = 470.00 nm in vacuum)

150. ## Algebra

Divide. (–6m^9 – 6m^8 – 16m^6) ÷ (2m^3) • –3m9 – 3m8 – 8m6 • –3m6 – 6m8 – 16m3 • –3m6 – 3m5 – 8m3 • –3m6 – 3m5 – 16m3

151. ## MATH

The daily low temperatures during one week were reordered as follows: 2 degrees F, -7 degrees F, 6 degrees F, -3 degrees F, -14 degrees F, -16 degrees F, and -10 degrees F. Explain how you would show a child how to find the average daily low temperature

152. ## math

The Crabby Apple restaurant lost $2000 in the month of January. If their net worth at the end of the month is -$200, explain how you would show a child how to find their net worth at the beginning of the month.

153. ## math

The Crabby Apple restaurant lost $2000 in the month of January. If their net worth at the end of the month is -$200. What was the net worth at the beginning of the month?

154. ## Chemistry

H2 (g) + I2 (g) 2 HI (g) If the initial concentrations of H2 and I2 are 1.0 M and the initial concentration of HI is 0.5 M (Kc = 54.3 at 430oC). (a) Is the reaction at equilibrium? (b) If not, which way will the reaction proceed?

155. ## math

find fifteen different fractions between 1/4 and 1/2

156. ## Astronomy Question about Neutrinos

I can't seem to figure this out, I know that neutrinos have nonzero mass but I don't know how that can help me figure this out The mass of a neutrino is zero. equal to the mass of a proton. equal to the mass of an electron. less than the mass of an

157. ## math mrs. sue HELP!!!

how do u find the mean absolute deviation and what are the steps too!!

158. ## Algebra 2

Game Theory: Consider a game in which each of two people simultaneously chooses an integer: 1 or 2. Find the expected value for player A and the expected value for player B. Is each game fair. Question: If the numbers are the same, then player A wins 1

159. ## Physics

A hiker throws a rock with a mass of 1.4kg from a cliff that is 37 m above the ground . The hiker gives the rock an initial downward velocity of 8.5 m/s. a) What is the energy of the rock at the moment the hiker releases it? b) What is the velocity of the

160. ## physics

A 0.25 kg{\rm kg} object is suspended on a light spring of spring constant 35N/mN/m . The spring is then compressed to a position 17cmcm above the stretched equilibrium position.How much more energy does the system have at the compressed position than at

161. ## math

how do u find the mean absolute deviation of a set of data and please show me how

162. ## math

Let say that Amy made 8 out of 21 free throws and Jane made 4 out of 21 free throws. Who had the better rate of success? Round your answer to the nearest percent.

163. ## Science

Explain what happens when a skydiver reaches terminal velocity? thank you...your help is very much appreciated!!

164. ## MAT 116

If a > 0 and b < 0, then which of the following must be true

165. ## Geometry

Please help me 1.The surface are of the exterior of hollow rubber ball is 16pi in^2.The rubber is 1/4 inch thick. Find the surface are of the interior of the ball. 2. The length of each side of a cube is 6 inches long. Find the exact area of a sphere

166. ## Ethics in Criminal Justice

In contrast to Bentham, John Stuart Mill argued that happiness or pleasure should be understood: A. quantitatively B. qualitatively C. as the same for all people D. as the absence of pain only I am stuck between A and B, but leaning toward B.

167. ## math

a car traveled 91 miles in 3 1/4 hours. What is the cars average speed in miles per hour?

168. ## math

Two mechanical shafts are joined together at their ends. Together, their total length is 17 2/9 ft. If one shaft is 7 5/9 ft long. How long must the other shaft be?

169. ## math

does anybody know how to find the mean absolute deviation and the steps

170. ## math

What is the area of a rectangle that has a length of 3 1/5 miles and a width of 5 1/2 miles?

171. ## physics

A metal ball of mass 1.8 kg with initial temperature of 46.5 C is dropped into a container of 3 kg of water at 15 C. If the final temperature is 22.6 C, what is the specific heat of the metal? metal = ____ J/kg*C?

172. ## physics

10 kg of ice at -4 C is dropped into 15.1 kg of water at 36 C. What is the final temperature of the mixture? T_final =

173. ## physics

A metal ball of mass 1.8 kg with initial temperature of 46.5 C is dropped into a container of 3 kg of water at 15 C. If the final temperature is 22.6 C, what is the specific heat of the metal? c_metal =____ J*kg*C?

174. ## Sciene

Is meiosis actually mitosis happening twice? Why might some people say this?

175. ## math

Emily has 25 rows in her vegetable garden with 19 vegetables in each row. Her mom added 20 more vegetables in the garden. How many vegetables does she have in the garden now?

176. ## Science

GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can

177. ## Algebra 2

sketch a graph for f(x)=2(1/2)^x +1

178. ## physics

A 1,500 kg car starts from rest and accelerates to a speed of 12 m/s over a distance of 68 m a) calculate the total work on the car b) calculate the net force that caused the car to accelerate (constant force)

179. ## English

I have to write a 1000 word essay on connecting, Hamlet's dealing with rejection, depression to THE real world life. How it affect's me. So can you help me with some dot jots on how depression can relate tothe world (peoples situations) from hamlet?

180. ## Science

What are some ethical issues behind cloning? I already said that some people think cloning is like "Playing God".

181. ## French

I need help revising my french composition. Here is the prompt and my response: Si tu pouvais voyager n’importe où irais-tu? Avec qui? Qu’est-ce que vous y feriez? Attention: tu vas avoir besoin de savoir quelle préposition va avec le pays, ville, ou

182. ## math

he sum of three consecutive integers is 111. What are the integers? (Enter your answers as a comma-separated list.)

183. ## business&technical english

language is used to make comparisons in business communication

184. ## Accounting

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually

185. ## probability

two cards are drawn in succession without replacement from a standard deck of 52 cards. what is the probability that the first card is a spade given that the second card is a club. what is the probability that the first card is a face card(jack, queen,