# how much heat is required to melt an ice cube that is 4.2 cm x 2.1 cm x 2.9 cm? The density of ice is 0.92 g/cm3

22,259 questions, page 75
1. ## Math

There eight girls competing in an ice=skating competition. In how many ways can they finish in first, second and third place? 366 1,680 2,016 40,320 I think it is 2,016

asked by Karla on May 17, 2015
2. ## Chemistry - Solubility Equilibria

Calculate the concentration (in M) of Tl^+ when TlI just begins to precipitate from a solution that is 0.0315 M in I^−. (Ksp = 5.54 ✕ 10^−8) Do I just set up an ICE table for this? So it would be 5.54X10^-8 = (.0315+x)x?

asked by Jamie on March 29, 2018
3. ## Physics

If 0.045 kg of ice at 0 C is added to 0.390 kg of water at 34 C in a 0.150 kg aluminum calorimeter cup, what is the final temperature of the water? T = degree C

asked by Anonymous on May 7, 2011
4. ## chemistry

The pH of a solution prepared by mixing 50.0 mL of 0.125 M KOH and 50.0 mL of 0.125 M HCl is __________. i know the answer is 7.00, but im not sure how to solve it, do i create an ice chart?

asked by laney on November 23, 2010
5. ## physi

a slab of ice floats on a freshwater lake what is the minimum volume must the slab have for a 45kg women to be able to stand on it without getting her feet wet?

asked by paul on July 20, 2010
6. ## geometry

The face-off areas in ice hockey have a diameter of 29.9 feet. Find the area of a face-off circle. Use 3.1.4. for pi. Round to the nearest tenth if necessary.

asked by Olive on September 1, 2013
7. ## Chemistry

H2 (g)+I2 (g)↔2HI(g) Calculate ΔG for the system at 700 K when the concentrations are [H2] = 0.12M, [I2] = 0.27M, and [HI] = 0.118M. What would be my first step? If I make an ICE chart, what would I do from there? I just need the first step to help me

asked by Robby on May 2, 2015
8. ## phy

A slab of ice floats on a freshwater lake. What minimum volume must the slab have for a 50.0kg woman to be able to stand on it without getting her feet wet?

asked by shree on November 29, 2013
9. ## Chemistry

As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy: increases decreases remains the same

asked by Megan on April 28, 2010
10. ## Math

if the visible part of an ice berg is 50mx50m in area and 20m is above the surface, what is the height, h, below the surface? I have absolutely no idea where to even start.

asked by George on October 5, 2013
11. ## physics

Two ice skaters of equal mass grab hands and spin in a circle once every four seconds. their arms are 0.76 m and they each have mass of 55.0 kg. how hard are they pulling on one another?

asked by Anonymous on November 18, 2015
12. ## phsc

Suppose you are playing ice hockey in the middle of a totally frictionless frozen pond.How can you move youself to the edge of the pond ?

asked by brandy on June 24, 2012
13. ## Chemistry

33. As ice melts at standard pressure, its temperature remains at 0°C until it has completely melted. Its potential energy 1)decreases 2)increases 3)remains the same

asked by . on April 12, 2009
14. ## physics

Determine the melting temperature when 150.00g of ice at 0 degree celdius is mixed with 300g of water at 50 degree celsius?

asked by elle saqs on October 13, 2016
15. ## science

A skater is coasting alone the ice without sexerting any apparent force. Which law of motion explains the skater's ability to continue moving?

asked by Summer on March 11, 2010
16. ## physics

A hockey puck sliding on the ice with velocity 10m/sec is stopped by a goalie in 0.10sec. what is the goalie stopping distance ∆x in doing so.

asked by Ama on December 7, 2010
17. ## chemistry

Calculate the work done (in joules) when 5.0 mole of water is frozen at 0°C and 1.0 atm. The volumes of five moles of water and ice at 0°C are 0.0900 L and 0.0980 L, respectively.

asked by Dani on October 30, 2016
18. ## hardware

We are talking about the new software ice cream sandwich (ICS)for the Android Phone. The question which I need help with is what does the software do compared to previous versions. Thanks

asked by Guillermo on December 8, 2011
19. ## chem class

The pH of a solution prepared by mixing 50.0 mL of 0.125 M KOH and 50.0 mL of 0.125 M HCl is __________. i know the answer is 7.00, but im not sure how to solve it, do i create an ice chart?

asked by laney on November 24, 2010
20. ## SCIENCE

which process does not produce a physical change of state? A) MELTING ICE B) HEATING WATER VAPOUR C) FREEZING WATER D) MY GUESS IS

asked by Taillen on December 13, 2012
21. ## Chemistry

In a previous experiment, 0.800 g of the green complex iron salt was placed in an Erlenmeyer flask and heated with concentrated sulfuric acid until all oxalate ion was destroyed (CO2, SO2 and H2O are formed). Ferric ion (Fe3+) remained in solution and was

asked by Sam on July 12, 2010

In how many ways can 5 ice cream toppings be chosen from 12 available toppings?

asked by cmb on October 27, 2010

TO BUILD A FIRE Jack London Day had broken cold and gray, exceedingly cold and gray, when the man turned aside from the main Yukon trail and climbed the high earthbank, where a dim and little-traveled trail led eastward through the fat spruce timberland.

asked by Ariel on June 7, 2010
24. ## Chemistry

Can you check my answers? Thanks!!!! What would happen to the volume-to-temperature ratio if: 1. One student failed to replenish the boiling water in the boiling-water bath as the flask was being heated. At the end of the 6 min of heating, the boiling

asked by Steve on November 7, 2016
25. ## Physics

A heat engine has the three step cycle shown above. Starting from point A, 1 L (liter) of ideal gas expands in the isobaric (constant pressure) process A to B at P = 2 atm. B to C is isovolumetric process at V = 5 L, and C to A is an isothermal (constant

asked by Jason on May 7, 2010
26. ## heat

what cools the air in a household refrigerator? what cools the air in a household refrigerator? Inside the refrigerator, the evaporator absorbs heat and cools the inside. Outside, room air cools the condensor coils that are bring heat from the inside of

asked by angela on August 19, 2005
27. ## Math

Roots Ok, what about roots? Roots of polynomials? Square roots? Cube roots? Terminology, notation, equations using them? Help us out here a little.

asked by Rorshin on September 5, 2006
28. ## english..

Can someone help me change up the words? A positively charged drum has the image drawn on it with a laser. The areas touched by light become negatively charged. Positively charged toner particles are attracted to the negative areas on the drum. The drum

asked by thez on February 16, 2015
29. ## english II

Errors in the use of punctuation marks - Comma the answer is a. A.What will you be when you grow up-an artist or a mathematician? B.To make a delicious hot chocolate drink, melt a square of unsweetened chocolate, stir in some sugar and milk, add a dollop

asked by Shaquitta on November 24, 2009
30. ## english II

Errors in the use of punctuation marks - Comma the answer is d. A.What will you be when you grow up-an artist or a mathematician? B.To make a delicious hot chocolate drink, melt a square of unsweetened chocolate, stir in some sugar and milk, add a dollop

asked by Shaquitta on November 24, 2009
31. ## chemistry

Ethanol ( C2H5OH) undergoes a reaction with oxygen gas in the air. Calculate the volume (l) of oxygen gas at 45 degrees celcius and mmHg that is required to react with 185 g ethanol. Then calculate the volume of air required to react with 185 g assuming

asked by Anonymous on October 30, 2017
32. ## Chemistry

In the reaction: Protection of 1-Phenylethanol by 3,4-Dihydro-2H-pyran, 1-phenylethanol, 3,4-Dihydro-2H-pyran and anhydrous ether were added first and stirred in ice-water bath before acid catalyst p-toluenesulfonic acid monohydrate was added. The reaction

asked by Alan on September 4, 2010
33. ## grammar

hey.. can u do 3 sentences for my homework.. put from direct to indirect speech.. 1)'I've got plan I and know we can killl the Ice-Man!' 2)'The show is minning overtime. Peter please, could you speed up?' 3)'Come on Steve, you can do it! Jump!'

asked by Anonymous on March 25, 2014
34. ## language arts

true or false. 1. it is easy to walk across something impassable. 2. ice sheets floating on water are called floes. 3. land that is barren has many plants and animals. 4. a crevasse is a deep crack.

asked by emily on March 29, 2013
35. ## chemistry

A buffer with a pH of 4.30 contains 0.25 M of sodium benzoate and 0.20 M of benzoic acid. What is the concentration of [H ] in the solution after the addition of 0.052 mol of HCl to a final volume of 1.5 L? I know that Ka = 6.3x10-5 do I need to use an ice

asked by noel on April 11, 2015
36. ## chemistry

Calculate [acetate] of 0.057 mol/L solution of acetic acid of Ka = 1.76x10^-5 i know to find Ka it's: Ka= products/reactants so i tried doing an ICE table with the equation to be: CH3CO2 + H2O CH3COOH + H am i on the right track? if not...help please!

asked by Kat on July 28, 2010
37. ## Algebra

How do I solve this? A plane flying the 3458-mi from New York City to London has a 50-MPH tailwind. The flight's point of no return is the point at which the flight time required to return to New York is the same as the time required to continue to London.

asked by Lee on May 9, 2016
38. ## physics

The homework question asks: which work woulf be required to stop a moving object: the intial speed, the intial kinetic energy of the object, the mass of the object times it acceleration, the mass of the object times its intials speed, or the square of the

asked by tatiana on November 5, 2006
39. ## Biology

1. Homeostasis relates most directly to which of the following ideas? a. interacting systems b. stability c. evolution d. scale and structure I'm stuck between A and B 2. The physician Ronald Ross wanted to find the cause of malaria. Based on his

asked by mysterychicken on January 22, 2010
40. ## pre cal

(1/3)LN27 + 2LNx = LN(2-x) i think i just need help getting started. I assume that your LN notation is log to base e. I will call it ln. (1/3)ln 27 = ln (27)^(1/3) = ln 3, (since 27^(1/3) is the cube root of 27). Therefore ln 3 + 2 ln x = ln (3 x^2) = ln

asked by Marie on February 25, 2007
41. ## Math

a standard number cube is rolled 180 times. Predict how many times a 3 or 5 will be the result. 31 times 60 times 57 times 30 times I chose 31 times Is that correct i would appreciate your help

asked by Awesome on May 13, 2015
42. ## physics

A copper plate has a hole cut in its center. When the plate is heated, the hole gets smaller. When heat is added to a system, the temperature must rise. When the pendulum of a grandfather clock is heated, the clock runs more slowly. Cold objects do not

asked by anonymous on April 16, 2012
43. ## Chemistry

When 0.689 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 11.2C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to

asked by ChemGeek on May 15, 2011
44. ## Science PHYSICS

Hi there, would someone be able to tell me if this is right or almost right or really not right?! The scenario being explaining the transfers and conversions of energy of a diver. from walking up the steps to standing at the top of platform to jumping into

asked by Alice on April 27, 2010
45. ## maths

prove that : 3^-3 * 6^2 * root 98 / 5^2 * cube root 1/25 * 15^-4/3 *3^1/3 is equal to 28 root 2

asked by tuhituhi on March 30, 2013
46. ## Chemistry

a sample of an unknow metal exists as a perfect cube that meausres 0/78 in on a side and weighs 61.4 grams. what would be the mass, in grams, of a diff sample of this metal that has a volume of 25.0 cm^3

asked by Helen on September 18, 2012
47. ## math

Each edge of the cube measures 24 inches. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 6 inches. How many tiles will he need?

asked by cat on February 11, 2016
48. ## chemistry

can u pls identify which has the greater activation energy. A cube of Fe reacting with 20mL, 1.0mol/L HCl or powdered Fe, having a the same mass, reacting with 20mL,1.0 mol/L HCl

asked by loulou on May 16, 2011
49. ## Calculus-Solved

this is wrong. but can you explain how to correct it? thanks use differential of x^-1/3 to approximate solution to (1/cube root(7.952)) differential: df= -1/3(x^(-4/3)) * dx df= -1/48 * 0.0048 df= -0.001 0.500 - 0.001 = 0.499 but this is wrong.

asked by Alaina on May 4, 2013
50. ## math

An integer is randomly chosen from the integers 1 through 100, inclusive. What is the probability that the chosen integer is a perfect square or a perfect cube, but not both? Express your answer as a common fraction.

asked by jiskha on July 3, 2018
51. ## Calculus

The expression dy/dx = x*(cube root y) gives the slope at any point of the graph of the function f(x) where f(2) = 8. A. Write the equation of the tangent line to f(x) and any point (2,8). B. Write an expression for f(x) in terms of x. C. What is the

asked by ashley on April 26, 2015
52. ## Math

A box contains 4 red cubes, 3 blue cubes, 2 green cubes, and 1 yellow cube. You pick two cubes at random, replacing each after you pick. Find the probability of each compound event.

asked by Mary on May 2, 2012
53. ## math

a crystal in the shape of a cube is growing in a labatory. estimate the rate at which the surface area is changing with respect to the side length when the side length of the crystal is 3cm.

asked by navroz on September 21, 2011
54. ## Math

25. A metal cube with an edge of one foot is melted into rectangular solid one-eighth of a foot in height. What is the area of the top of the top of the new solid. Please show work/explain A. 1/64 sq.ft. B. 1/8 sq.ft. C. 1/4 sq.ft. D. 4 sq.ft. E. 8 sq.ft.

asked by Johnny on May 8, 2014
55. ## Science-Urgent

I did an experiment on a burning candle, and I need help with some of the questions. Thank you very much in return. Please no websites.--more information would be appreciated, thanks:-) I'll list everything of what we went through. Materials: -1 standard

asked by Sara on April 6, 2010
56. ## Algebra 1

Will you please check my work? :) Choose ALL (if any) applicable terms for the events described, then calculate the probability of the events. Jason has a cube with colored sides: red, orange, yellow, green, blue and purple. 1. Rolling a red or a primary

asked by Caroline on April 27, 2014
57. ## chemistry

The nitrogen content of a .2476 g sample of a protein was determined by the Kjeldahl method. The NH3 produced with the whoosh was distilled into exactly 50.00mL of HCl in the receiving flask, which was in excess of the amount required to capture the

asked by lisa on October 27, 2015
58. ## analytical chemistry

The nitrogen content of a .2476 g sample of a protein was determined by the Kjeldahl method. The NH3 produced with the whoosh was distilled into exactly 50.00mL of HCl in the receiving flask, which was in excess of the amount required to capture the

asked by Anonymous on October 27, 2015
59. ## Mathemaniacs

If each unit cube has edges 3/4 foot long, what is the volume of the blue outlined prism? (I can't post links on here, so, if you know this question, please answer it!) A) 5 ft3 B) 8.4 ft3 C) 10 ft3 D) 15 ft3< my answer> can someone please check this over

asked by Cassidy on May 13, 2019
60. ## math

A glass cylinder with a radius of 7cm has water up to a height of 9cm. A mental cube of 5 1/2cm edge is immersed in it completly.calculate the height by which the water rises in the cylinder.

asked by Anonymous on May 6, 2019
61. ## geometry

a solid aluminum cube measuring 15 inches on a side is melted and rolled into an aluminum wire tat is 0.2 inches in diameter. what will be the length of this wire?

asked by mary on January 17, 2012
62. ## Math

A wooden block that is a rectangular prism is 12 inches long. Melinda cuts the wooden block along its length into 4 cubes. How long is each side of the cube?

asked by Dina on November 4, 2011
63. ## math

Mario rolled a number cube labeled 1-6 sixty times. In what percent of the rolls did Mario roll a number less than 4?a.5%,b.33%,c.50%,d.55% # #of x rolled 1 16 2 12 33/60 x/100 3 5 3300/60=55? 4 8 5 12 6 7

asked by marilyn on May 19, 2016
64. ## gse 122

(1) y varies partly as D an partly as the cube root of D.when Y=6, D=27 an when Y=11,D=1/8.find Y when D=3. Correct to 2 decimal point. (2) using completing the square method find the root of the equation 8x+6x-5=0

asked by kakjing pirbut moses on October 25, 2016
65. ## math

The table shows the results of rolling a number cube labeled one through six 50 times. (table) number rolled: 1, 2, 3, 4, 5, 6 Frequency: 7, 9, 11, 6, 9, 8 What is the experimental probability of rolling 3? 0.11 0.22 0.30 0.27

asked by FluttershyK22 on April 29, 2016
66. ## Math Check!

Elizabeth has two identical number cubes. Both cubes have faces numbered 1 through 6. If Elizabeth rolls each cube once, what is the probability that the sum of the two numbers on the top faces will be 10? •1/36 •1/12 •1/10 •1/9

asked by Agala on May 11, 2017
67. ## Math

A wooden block that is a rectangular prism is 12 inches long. Melinda cuts the wooden block along its length into 4 cubes. How long is each side of the cube?

asked by Jeany on November 5, 2011
68. ## physics

The upper surface of a cube of gelatin, 5.5 cm on a side, is displaced 0.74 cm by a tangential force. If the shear modulus of the gelatin is 947 Pa, what is the magnitude of the tangential force?

asked by Steve Young on March 29, 2013
69. ## physics

Assume that a small sugar cube has sides 1 cm long. If you had a box containing 1 mol of cubes and lined them up side by side, how long would the line be (1 mol = 6.02 x 10^23)?

asked by Mark on September 7, 2012
70. ## physics help

The upper surface of a cube of gelatin, 6.9 cm on a side, is displaced 0.67 cm by a tangential force. If the shear modulus of the gelatin is 946 Pa, what is the magnitude of the tangential force?

asked by zena on March 28, 2013
71. ## Physics

A piece of metal of volume 250 centimetre cube floats in water when 85 percent of its volume is under water.Calculate the upthrust on the metal. [pw=1.0gcm^-3]

asked by George on January 8, 2017
72. ## maths

A glass cylinder with a radius 7 cm has water up to a height of 9 cm. A metal cube of 5 1/2 cm edge is immersed in ti completely. Calculate the height by which the water rises in the cylinder.

asked by balkew on May 2, 2016
73. ## Physics

A wood cube 0.20m on each side has a density of 730kg/m3 and floats levelly in water. What mass has to be placed on top of the wood so that its top is just at the water level?

asked by HELP!!!! on December 5, 2013
74. ## Chemistry

What is the total energy transfer(in KJ) when 10.00 pounds of water vapor at 110 degrees C becomes ice at 253K? Assume that the specific gravity of water = 1.00.

asked by Tyler on April 28, 2011
75. ## science question

please check i think its B or D. Under which conditions are clouds formed from ice crystals? A.strong winds B.high altiude C.low humidity D.high pressure

asked by matt on May 15, 2014
76. ## physics

Please help! it has to do with momentum A 70 k/g woman and her 35 k/g son are standing at rest on an ice rink. They push against each other for .60 s, causing them to glide apart. The speed of the woman immediately after they separate is .55 m/s

asked by marissa! on January 12, 2012
77. ## math

An ice skater rotating around a vertical axis increases in angular velocityfrom 450degrees/s to 610degrees/s in 2.3 seconds. Find the angular acceleration

asked by stew on November 4, 2009

The sentence to be corrected is.. Last night an ice storm ringed in the evening, bringing winds that blowed all night. Wouldn't it be rung and blew?

asked by Sam on January 9, 2009
79. ## math

a glass of ice tea cost two dollars. Refills cost 25 cents each. write the rule in function notation. is it F(x)=2+.25x? If it is wrong can you help

asked by malik on January 20, 2009
80. ## physics

a block of ice released from rest at top of 400 m long ramp slides to the bottom in 2.20 seconds. what is the angle between the ramp and the horizontal

asked by flay on January 13, 2013
81. ## Science

Under which conditions are clouds formed from ice crystals? A.strong winds B.high altitude (MY ANSWER) C.low humidity D.high pressure

asked by LOVE on January 28, 2016
82. ## To Breanne

I responded to that chocolate milk/ice problem. Here is a link to it. http://www.jiskha.com/display.cgi?id=1357962576#1357962576.1358029768

asked by DrBob222 on January 13, 2013
83. ## Geometry

A snowcone with a radius of 4 cm is sold in a cone-shaped paper cup with a height of 12 cm and an opening 6 cm wide. If all the ice melted in the cup, would it overflow?

asked by anonymous on November 27, 2018
84. ## physical science

Suppose you are playing ice hockey in the middle of a totally frictionless frozen pond. How can you move yourself to the edge of the pond? Explain what you would do and why it would work.

asked by kjunior on June 22, 2011
85. ## physics

When water freezes, it expands about 8.60%. What would be the pressure increase inside your automobile engine block if the water in it froze? The bulk modulus of ice is 2.00 * 10^9 N/m2.

asked by Anonymous on January 31, 2013
86. ## chemistry

Utilizing the concept of the second law of thermodynamics, explain why an ice skater requires less energy expenditure to cover the same distance as a roller skater. ?

asked by Anonymous on March 11, 2011
87. ## Economics

All of the following are included in GDP EXCEPT the income from a garage sale. the value of a new car. the value of a new house. the sale of an ice cream cone. I'm pretty sure 2 & 3 aren't the answer. Can anyone please help me?

asked by Alex on September 20, 2009
88. ## Physic

A hockey puck leaves a player's stick with a speed of 8.60 and slides 38.0 before coming to rest. Find the coefficient of friction between the puck and the ice.

asked by Andrea on July 10, 2010
89. ## physics

A 32.0-kg penguin on frictionless ice holds onto the end of a horizontal spring with spring constant 250 N/m and oscillates back and forth. What is its period of oscillation?

asked by Nolan on February 25, 2011
90. ## Math

There are 256 students in this outstanding 7th grade class. How many scoops of ice cream would have to be used in each cone in order to make a different cone for each person?

asked by Tina on March 6, 2011
91. ## chemistry

1. hydrogen Zn 2. chlorine phase change 3. zinc N 4. lead physical change 5. breaking glass Pb 6. melting ice H 7. nitrogen Cl 8. copper Cu

asked by sarah on June 13, 2011
92. ## Visual Basic

The rule of 72 is use to make a quick estiment of the time required for prices to double due to inflation. If the inflation rate is (r)percent, then the rule of 72 estimates that prices will double in 72/r years. For instance, at an inflation rate of 6

asked by James Starr on March 27, 2011
93. ## Chemistry

A student measures the initial temperature of an object as 28.33oC and the final temperature as 62.35 oC. What is the change in temperature in units of Kelvin? An unknown metal is found to have a specific heat capactiy of 0.235. From this, calculate its

asked by Tatiyana on October 17, 2017
94. ## pre algebra

Tell whether the events are independent or dependent. Then find the probability. You roll a 6 on a number cube. Then you roll again and roll a 2. Independent???

asked by amy on May 30, 2012
95. ## Algebra

How does finding the square root [J ] of a number compare to fnding the cube root [3 J- ] of a number? Use the number 64 in your explanation.

asked by BLOODWOLFPrincess+nurse on December 5, 2018
96. ## Math

Brittany has a gift box in the shape of a cube. Inside of the box measures 15 cm. What is the volume of the gift box.?

asked by Alana on January 30, 2017
97. ## math

Brittany has a gift box in the shape of a cube.Each side of the box measures 15 cm. What is the volume of the gift box?

asked by Anonymous on March 11, 2014
98. ## physics

Part 1) The block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane. How much work is required to move the block 50 cm down the plane if the

asked by Hunter on October 9, 2013
99. ## physical

An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 22.3°C (295.45 K). Suppose the engine generates 13.5 hp (10.07 kW) of

asked by itufizik on July 23, 2012
100. ## physics

An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 24.5°C (297.65 K). Suppose the engine generates 11.5 hp (8.58 kW) of power

asked by Anonymous on November 5, 2014