Search: how much does it cost to heat a 2452 square foot home

Number of results: 49,502

chemistry
How much heat is required to heat 0.1 g of ice at −30 C to steam at 100 C? Use the approximate values below for your calculation. cice = 2 J/g · C csteam = 2 J/g · C cwater = 4 J/g · C Hvap = 2, 260 J/g Hfus = 340 J/g
Thursday, March 1, 2012 at 8:31pm by please help !

chem
How much heat is required to heat 0.1 g of ice at −30 C to steam at 100 C? Use the approximate values below for your calculation. cice = 2 J/g · C csteam = 2 J/g · C cwater = 4 J/g · C Hvap = 2, 260 J/g Hfus = 340 J/g
Thursday, March 1, 2012 at 7:19pm by please help !

Physics
A reversible heat engine operates between thermal reservoirs at 1000 K and 290 K. If 8610 J is extracted from the hot reservoir, how much work is done by the heat engine?
Friday, December 9, 2011 at 6:13pm by Jon

Integrated Physics and Chemistry
A. It takes only .03 cal to heat a gram of gold a degree but much more to heat the same mass of iron a degree.
Monday, March 21, 2011 at 11:18am by Damon

math
three apples and 2 ponkans cost P51. two apples and 3 ponkans cost P46.50. how much will half a dozen apple and half a dozen ponkans cost?
Friday, December 28, 2012 at 10:25am by che

Math
A caterer charges a fixed cost for preparing a dinner plus an additional cost for each person served. You know that the cost for 100 students will be $750 and the cost for 150 students will be $1050. Find the caterer's fixed cost and the cost per student served.
Monday, April 20, 2009 at 12:33am by Jessica

math
Amy bought some stationary from a bookstore. The total cost of 3 files A,B,C was $5.60 more than the total cost of 4staples. A cost $1.90 less than each of the other 2files. B cost $4.20 more than each staple. Find the cost of C
Friday, September 23, 2011 at 11:27am by Gav

micro economics
Consider a firm that has a fixed cost of $60 a minute. output=1, Variable Cost= $10 what is the fixed cost?, Total Cost? Marginal cost?, AFC?, AVC? and ATC? Output is 2? Can't quite figue it out... thanks
Sunday, November 4, 2007 at 6:18pm by tina

6th grade math
your mother gave you $13.32 with which to buy a present.This covered 3/5 of the cost.how much did the present cost? can someone please help me and also show me how to solve this?
Monday, February 13, 2012 at 5:19pm by Kate

math
together two computers cost $2700 per year to rent. if one costs twice as much as the other, what is the monthly cost of the most expensive one?
Wednesday, August 18, 2010 at 3:40pm by graciela

Microeconomics
When average total cost is declining then: a) marginal cost must be less than average cost b) marginal cost must be greater than average cost c) average toal cost must be greater than average fixed cost d) average variable cost must be declining. My answer is d but my friend ...
Thursday, January 26, 2012 at 1:52pm by Nicci

math - incomplete
How much money does she start with? How much does each book cost?
Thursday, August 2, 2012 at 5:06pm by Ms. Sue

physics
A pot containing 1.09 liter of water, initially at 18°C, is placed on a 1101 W electric heating element. (a) How much heat must be supplied to the water to bring it to a boil? (b) How much heat is necessary to boil all the water away? What is the minimum time required to ...
Monday, April 9, 2012 at 1:05pm by JOHN

math
Problem The latent heat of fusion (solid become liquid) for ice is 79.8 cal/gram. How much ice can we melt with 1000 calories of heat? Problem Which would require more heat, melting 500 g of 0 C ice or turning 500 g of 100 C water into steam? Problem A 500 g sample of an ...
Monday, October 6, 2008 at 6:39pm by sherri

chemistry
How much energy must be put into a system to raise 100 g of solid water from 5.5 degrees Celsius to 75 Degrees Celsius? Heat Capacity of Ice: 2.09 J/g degrees C Heat Capacity of Water: 4.18 J/g degrees C Heat of Fusion: 6.01 kJ/mol
Friday, June 17, 2011 at 1:15am by Britney

chemistry
How much ice is required to cool a 15.0oz drink from 71 F to 34 F, if the heat capacity of the drink is 4.18 J/g*C ? (Assume that the heat transfer is 100% efficient.)
Tuesday, January 22, 2013 at 1:33pm by Jack

Chemistry
How much ice is required to cool a 15.0 oz drink from 71 F to 34F, if the heat capacity of the drink is 4.18 J/g*C? (Assume that the heat transfer is 100 % efficient.)
Tuesday, February 1, 2011 at 11:58pm by Jack

science
The specific heat of solid gold is 0.13J/gC.How much heat is needed to raise the temperature of 25.0g of gold from 23C to its melting point at 1063C
Friday, July 15, 2011 at 11:30pm by Toni

Chemistry
The density of a 1.0 M solution of NaCl is 1.04 g/mol and its specific heat, c, is 3.60 J/C*g. How much heat is absorbed by 31.4 mL of this solution if the temperature rises from 18.6 C to 29.7 C?
Tuesday, October 19, 2010 at 5:28pm by Sarah

Heat & Properties of Matter
A rail way 50m long, with initial temperature of 20degree celsius subjected to a great heat. How much will it expand which its temperature is tripled?
Sunday, October 18, 2009 at 6:56am by Beta plus

Science
1. How much heat energy is lost by 3 kg of water when it cools from 80 degrees C to 10 degrees C? 2. A 300 g piece of aluminum is heated from 30 degrees C to 150 degrees C. What amount of heat energy is absorbed? 3. Determine the temperature change in each of the following. (a...
Sunday, October 23, 2011 at 12:56am by Debra

chem
Determine the limiting reagent. Determine how much of the excess reagent is present and how much of (it will be all of it) the limiting reagent reacted. Using the limiting reagent, calculate the amount of heat generated from the -116 kJ. That will be q. Then q = mass x ...
Saturday, December 1, 2007 at 2:29pm by DrBob222

Mat 126
A person hires his firm to build a Cb radio tower. The firm charges $100 for labor for the first ten feet. After, that the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next feet will cost $125, the next 10 feet will cost $...
Sunday, October 10, 2010 at 12:26pm by kiesha

Algebra
Assume it costs Microsoft $4,300 to manufacture 7 Xbox 360s and $8,290 to manufacture 14. Obtain the corresponding linear cost function. C(x)= (what formula do I use to get the cost function, because I can't get it) What was the cost to manufacture each additional Xbox? (...
Sunday, February 19, 2012 at 3:33am by Max

Math
Assume it costs Microsoft $4,300 to manufacture 7 Xbox 360s and $8,290 to manufacture 14. Obtain the corresponding linear cost function. C(x)= (what formula do I use to get the cost function, because I can't get it) What was the cost to manufacture each additional Xbox? (...
Sunday, February 19, 2012 at 12:23am by Amie

math
I assume the "total cost" is "total fixed cost" since the marginal cost is higher than the "total cost" divided by the number of items. So at the production level of 1400 items, total cost = total fixed cost + n*marginal cost where n=number of ...
Friday, October 8, 2010 at 3:28pm by MathMate

physics
How much heat in KJ is needed to change 3.0 kg of ice at -10C into (superheated) steam at +150C ? Do I need to find specific heat? (3.0kg)(2100)(150-10)= 882kj right?
Friday, April 22, 2011 at 1:20pm by DMITRIC

Physics
My problem is as follows "A 3 kg brick is dropped from a height of 1.0 m onto a nail which is vertically stuck in a plank of wood. If the nail doesn't move in much, how much heat is produced in the system when the brick hits and sticks onto the top of the nail." ...
Thursday, April 16, 2009 at 4:51pm by Brigid

Math
Lou owes Rick $62. This is half the cost of a stereo they bought less $5 that Rick owed Lou. How much did the stereo cost? So the stereo cost = $62 x 2 + $5?
Tuesday, December 18, 2012 at 12:00am by Arnold

arithmetic
The cost of a lunch of 1 pizza and 2 cups of coffee is $7. The cost of a lunch of 3 pizzas and 5 cups of coffee was $20 at the same cafe. How much will 1 pizza and 1 cup of coffee cost? Thanks!
Wednesday, June 16, 2010 at 2:26pm by Kathleen

algebra
The mathematical model C(x)=800x + 20,000 represents the cost in dollars a company has in manufacturing x items during a month. Based on this, how much does it cost to produce 500 items?
Saturday, December 11, 2010 at 9:27am by renee

Chemistry
If 1.22 grams of magnesium reacts with 100 ml of 6.02 M HCl solution. How much heat is evolved? Density of the HCl solution is 1.10 g/ml. Assume the specific heat of water 4.184 J/gC is the specific heat of the solution. Mg + 2 HCl à MgCl2&...
Tuesday, July 17, 2012 at 12:33am by Anonymous

Physics
lead melts at 328 degrees C. lead has a heat of fusion of 2.04X10^4 J/kg and a specific heat of 130 J/kgK. how much heat must be removed from 0.50 kg of molten lead (liquid) at 328 degrees C to make it all a solid chunk at 300 degrees C?
Thursday, November 18, 2010 at 8:35pm by Brittany

Math
In a store, pencils have one price and pens have another. 3 Pencils and 2 pens cost 78 cents. 2 pencils and 3 pens cost 72 cents. How much does 1 pencil and 1 pen cost? Help! I dont get this.
Tuesday, April 16, 2013 at 7:09pm by Nomad

Math
Strategy How much more money do 10 t-shirts cost than 6 t-shirts. T-Shirts Cost 1 $8 3 $24 5 $40
Wednesday, February 20, 2013 at 9:39pm by Quan

chemistry (combustion and heat)
How much heat is evolved when 5.00g of propane C3H8 burns completely. I got the formula down, now what? C3H8 + 5O2 -> 3CO2 + 4H2O
Saturday, November 20, 2010 at 11:33pm by Anonymous

chemistry
During a strenuous workout, a student generates 2000 kJ of heat energy. What mass of water would have to evaporate from the student's skin to dissipate this much heat?
Tuesday, October 26, 2010 at 12:25am by Brittney

Physics
Heat lost by spoon = heat gained by water Use that heat, the aluminum temperature drop, and the specific heat of aluminum to get the mass. Ignore the styrafoam mass. It acts as an insulator to keep the heat inside, and weighs very little.
Saturday, May 7, 2011 at 12:56am by drwls

Physics
Consider an inefficient engine which draws 200 J of heat from a hot reservoir at 100oC, converts 48 J to work, and rejects 152 J to a cold reservoir at 0oC. Theoretically, how much maximum work can be produced if the efficiency of the engine is maximized? How much work was &#...
Thursday, October 7, 2010 at 5:05am by Angel

algebra 1
A bottle and a cork together cost $1.00. The bottle cost 90 cents more than the cork. How much does the cork cost? Bottle - 95 cents Cork - 5 cents How would you write an equation for this?
Tuesday, April 15, 2008 at 7:21pm by need help!!

math
Perhaps you are thinking of this oldie. A bottle and a cork together cost $1.00. The bottle cost 90 cents more than the cork. How much does the cork cost? Bottle - 95 cents Cork - 5 cents
Tuesday, April 15, 2008 at 3:47pm by tchrwill

arithmetic
need a reinstatement A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125; the ...
Sunday, May 8, 2011 at 11:11pm by ernest

algebra
You could show a pie-chart which shows how much of the price is the tax, and how much is the cost. There could be other options.
Sunday, February 27, 2011 at 9:15am by MathMate

physics
got 22 degrees celsius for the last answer from Damon. Another question is ......How much heat is needed to raise the temperature of a 500g object with specific heat capacity 0.5 cal/g c by 25 degrees?
Sunday, June 17, 2012 at 5:36pm by tony

Chemistry
During a strenous workout, an athlete generates 1890.0 kj of heat energy. What mass of water would have to evaporate from the athlete's skin to dissipate this much heat?
Thursday, March 24, 2011 at 8:28pm by Toni Jones

Chemistry HELP!!
During a strenous workout, an athlete generates 1890.0 kj of heat energy. What mass of water would have to evaporate from the athlete's skin to dissipate this much heat?
Thursday, March 24, 2011 at 11:47am by Toni Jones

Chemistry
First the ice cube must be heated from -10 C to zero C. q = mass x specific heat x delta T. This will give you the heat required to do just that. Subtract q required from 340 J to obtain the heat remaining to melt the ice cube. Then q = mass x heat of fusion for ice. Plug in q...
Tuesday, January 15, 2008 at 11:46pm by DrBob222

Chemistry
I avoid some of that confusion by other means but let me try to address your questions. I think that most of us mean the system when we talk about Q or heat transfer or anything else in that context EXCEPT when we say specifically, q surroundings, from the surroundings, to the...
Monday, March 4, 2013 at 6:35pm by DrBob222

math
. A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next 10 feet will cost...
Sunday, June 5, 2011 at 10:08pm by jazzmin

math
A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next 10 feet will cost $...
Monday, May 2, 2011 at 10:13am by Anonymous

math
35. A person hired a firm to build a CB radio tower. The firm charges $100 for labor for the first 10 feet. After that, the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next 10 feet will cost $125, the next 10 feet will ...
Monday, May 30, 2011 at 8:42pm by Anonymous

Physics
PLEASE HELP! I'm doing a physics demonstration, and in part of it I'm trying to explain why steel wool burns and normal steel doesn't. I know it's something to do with the smaller surface area and/or mass but I don't know WHY it burns because of this. Can ...
Tuesday, September 5, 2006 at 5:37pm by Jo

heat
how much heat energy is required to raise the temperature of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? You will need the specific heat capacity for coal...you can look that up in a table in your text.. Heatenergy=masscoal*specificheatcoal*(change in ...
Tuesday, July 5, 2005 at 9:55am by vanice

chemistry
Let the heat capacity of A = c. The heat capacity of B is 2c. Let the final temperature be T. The heat lost by B when A and Be are placed together is: (2c)(450-T) The heat gained by A is (c)(T-300). Assuming the Law of conservation of Energy holds, and there are no heat losses...
Monday, June 22, 2009 at 5:43pm by GK

Math
“How much does one cost?” asked the man.“50 cents” replied the hardware clerk“and how much does 18 cost?” the customer asked.“One dollar” said the clerk “Ok I’ll take seven hundred six” the man said “That will be $1....
Wednesday, September 7, 2011 at 7:40pm by Brooke

Calculus
Here's one more that I do not understand A company estimates that the cost ($) of producing x units of a certain product is given by: C= 800 + .04x + .0002x^2 Find the production level that minimizes the average cost per unit. Thank you so much
Monday, March 30, 2009 at 12:54pm by Jane

Math
Kee had to buy 2 tires and patch the tires on his bicycle 3 times this year. How much did he spend repairing his bicycle if these were all the repairs he needed? Use the variablees x and y to write an expression for the cost of kee's repairs. then find the total cost of ...
Wednesday, February 24, 2010 at 8:08pm by PAVLEEN

mathematics
a person hired a firm to build a cb radio tower. the firm charges $100 for labor for the first 10 feet. after that the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. that is, the next 10 feet will cost $125 the next 10 feet will cost $150...
Monday, August 20, 2012 at 8:29pm by Quita

Physics
A 50.0 g silver spoon at 20.0 degrees Celsius is placed in a cup of coffee at 90.0 degrees C. How much heat does the spoon absorb from the coffee to reach a temp. of 89.0 degrees C? Rememeber this equation. It, or a slight modification of it, will work all of these heat ...
Tuesday, November 21, 2006 at 4:36pm by Erica

chemistry
the heat of fusion for thallium is 21 J/g, and its heat of vaporization is 795 J/g. Thallium's melting point is 304 degrees celsius, and its boiling point is 1457 degrees celsius. The specific heat of liquid thallium is 0.13 J/g degrees celsius. How much heat is needed to ...
Tuesday, February 23, 2010 at 2:17pm by billy

physics
A 0.75 kg mass of copper changes temperature from 145.0 C to 46.0 C. How much heat was exchanged in Joules? Did the heat flow into the copper or out of the copper?
Thursday, January 26, 2012 at 1:45pm by mario

science
gold has a specific heat of 0.130j/g. degrees celcuis if 195 joules of heat are added to 15 grans of gold homw much does the tempreature of the gold change
Tuesday, March 1, 2011 at 4:21pm by nikita

science
why does the mountain tops stay snowy all year round The air temperature is below that necessary to melt the snow. the air is too thin to holh very much heat at those altitudes.aLSO, The snope reflects 90%of the incoming light, which further supresses the totat heat absorbed. ...
Wednesday, November 1, 2006 at 8:19pm by james bandit

Urgent-Chemistry Help
I need help with the heat effects and calorimetry worksheet. Please explain how to solve it! Thank you so much! A metal sample weighing 45.2g and at a temperature of 100.0 C was placed in 38.6g of water in a calorimeter at 25.6 C. At equilibrium the temperature of the water ...
Monday, December 4, 2006 at 1:25am by Tiffany

physics
A 250-g block of ice is removed from the refrigerator at 􏰀8.0°C. How much heat does the ice absorb as it warms to room temperature (22°C)? The heat of fusion of water is 3.34􏰁105 J/kg.
Friday, December 7, 2012 at 12:07am by yasir

Chemistry
Dissolving NH4NO3 is an endothermic reaction. How much heat is absorbed can be measured by using the temperature of the water. q = mass H2O x specific heat H2O x (Tfinal-Tinitial). That is q for 0.1M so q/0.1 = q in kJ/mol.
Tuesday, July 24, 2012 at 2:10pm by DrBob222

CHEM
How much heat is released in the formation of 10 liters of NH3(g) at 25 C and 1 atm, given : 2N2+3H2 ----> 2 NH3 HEAT OF FUSION IS - 92.6 KJ show steps please
Thursday, November 18, 2010 at 7:34pm by MAX

physics
How much total heat is required to heat 3316 g of ice at -16.12 oC to all steam at a temperature of 128.08 oC? how do you carry out the five step process?
Saturday, June 5, 2010 at 4:00pm by dESHA

chem
The normal melting point of copper is 1357 K and heat of fusion of Cu is 13.05 KJ. How much heat, in kilojoules, is evolved when a 3.70 kg sample of of molten Cu freezes?
Thursday, February 11, 2010 at 1:17am by Joseph

chem!!
what determines if the heat of solution is endothermic or exothermic for salts? Mostly the competition between the lattice energy (how much energy it takes to break the crystalline strucure) vs the heat of solvation of the ions.
Wednesday, April 25, 2007 at 8:20pm by Anonymous

math, help
how do i write the equations so i can solve it i will do the solving but help me out with the equation please.for the following: Four pencils and five pens cost$2.00. THree pencils and four pens cost $1.58. Find the cost fo a pencil and the cost of a pen. and then also for ...
Saturday, January 13, 2007 at 4:12pm by jasmine20

Chemistry
heat to melt ice at zero C = 850 x heat fusion = ? heat removed from 35 C water = 1,700 x specific heat water x (0-35) = ? I get about 280,000 J to melt the ice and about 250,000 J from the water. The ice won't melt completely. The end solution will be a mixture of ice and...
Sunday, January 29, 2012 at 4:52pm by DrBob222

chemistry
Global warming refers to the rise in average global temperature due to the increased concentration of certain gases, called greenhouse gases, in our atmosphere. Earth's oceans, because of their high heat capacity, can absorb heat and therefore act to slow down global ...
Friday, February 5, 2010 at 2:44am by Al

Microeconomics
I am puzzled by the use of 'marginal cost' as it is usually defined as the change in total cost that arises when the quantity produced changes by one unit. (It could be here the step change between the bands?) I would have thought that the marginal cost would have been...
Thursday, September 18, 2008 at 10:17am by Dr Russ

Chemistry
I have to solve this combustion problem using Dimensional Analysis and molar heat: 2 C2H6 +7O2 yields 4 CO2 + 6H2O + 3120 kJ The question is to discover how much heat is produced along with 8 moles of water in this reaction. My problem is that I have no idea how to go about ...
Wednesday, June 3, 2009 at 7:54pm by Narasaq

algebra
an 80 pound bag of concrete cost $4 and covers 2.5 square feet how much will cost to cover 504 square feet
Tuesday, November 27, 2012 at 7:12pm by Anonymous

math
suppose that 12 inches if wire cost 60 cent at the same rate how much in cents will 23 inches of wire cost
Friday, March 1, 2013 at 2:01pm by Anonymous

Algebra
Use Proportionality To produce a 50-gallon pool it cost the manufacturer $35. How much a 100-gallon pool would cost.
Sunday, November 27, 2011 at 9:15am by Frank

chemistry
Sodium (Na) metal undergoes a chemical reaction with chlorine (Cl) gas to yield sodium Cl, or common table salt. If 1.00 g of sodium reacts with 1.54 g of chlorine, 2.54 g of sodium chloride is formed and 17.9 kJ of heat is released. How much sodium and how much chlorine is ...
Tuesday, September 4, 2012 at 2:23pm by Ashley

physics
lead is a soft, dense metal with a specific heat of 0.028 kcal/kg degrees C, a melting point of 328.0 degrees C and a heat of fusion of 5.5 kcal/kg. How much heat must be provided to melt a 250.0 kg sample of lead with a temperature of 20.0 degrees Celsius? q1 = heat to move ...
Tuesday, November 21, 2006 at 1:26pm by Erica

entrepreneur
i am trying to find price per foot. if a 500 feet roll of wire cost $72.00, how much a foot of wire will cost
Monday, December 26, 2011 at 12:58pm by craze

Math
you buy 3 books that each cost the same amount and a magazine all for 59.99.You know that the magazine costs 1.99. How much does each book cost?
Monday, October 24, 2011 at 10:59am by rana sh

Calculus
cost= 8t+fuel cost. fuel cost= cost per gallon*gallons needed = 1*100/(1200/x) But t= 100miles/x cost= 8*100/x + x/12 check that dcost/dx=0=-800/x^2 + 1/12 x^2=9600 x= you do it.
Thursday, November 17, 2011 at 5:17pm by bobpursley

Physics
figure this in three parts: heat to heat water from 25C to 100C heat to vaporize water at 100C heat to heat steam from 100C to 120C add them
Thursday, November 18, 2010 at 8:46pm by bobpursley

Chemistry
A chemist mixes 100ml of H2O at 30 degrees Celsius and 56.0g of CaOin a calorimeter. The following reaction occurs" CaO(s) +H2O(l)--->Ca(OH)2(s) ΔH= -16.0 kcal/mol The heat capacity Ca(OH)2(s) is 19.2 cal/mol*degreeCelsius and the heat of vaporization of ...
Sunday, March 27, 2011 at 5:23am by Kim

Physics
How much heat is required to raise the temperature of a 4.3-kg block of steel by 48 K? (The specific heat of this steel is 450 J/kg · K.)
Tuesday, July 31, 2012 at 8:07pm by Sierra

Chemistry
How much heat is lost when 12.4 g of H2O g at 110 degrees C are converted to liquid at 50.0 degrees C? (The specific heat of steam is 2.02 J/g degrees C. Could someone write the steps? Equation?
Monday, May 24, 2010 at 11:29pm by Anonymous

Science
The sun emits billions of watts of light,heat,and energy ever second. How much of this light,heat, and energy does the Earth benefit from?
Wednesday, March 28, 2012 at 9:54pm by Maddie

chemistry
How much heat (in ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of ice is 2.09 .
Sunday, July 10, 2011 at 9:57pm by hannah

chemistry
How much heat (in ) is evolved in converting 1.00 of steam at 150.0 to ice at -55.0? The heat capacity of steam is 2.01 and of ice is 2.09 .
Sunday, July 10, 2011 at 9:54pm by hannah

Chemistry
When 25.0 g of ethanol vapor condenses, 23.6 kJ of heat is released. How much heat is required in kJ to vaporize 254 g of ethanol?
Wednesday, October 13, 2010 at 7:36pm by Jordin

chemistry
How much heat (in g ) is evolved in converting 1.00 of steam at 145.0 to ice at -45.0? The heat capacity of steam is 2.01 and of ice is 2.09 .
Friday, August 27, 2010 at 4:37pm by sara

college chemistry
How much heat is needed to melt 50.0g of ice at 0 degree celcius and then heat the water to 25 degree celcius?
Sunday, November 2, 2008 at 9:43pm by christine

Math
If one apple and two pears cost $1.55 and two apples and two pears cost $2.30, how much does one apple cost?
Wednesday, December 8, 2010 at 12:39pm by Prince

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