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December 21, 2014

Search: How much heat is required to warm 1.60 kg of sand from 20.0^\circ C to 100.0 ^\circ {\rm C}?

Number of results: 46,641

science/math
A juice processing operation uses steam to heat the fruit juice up to a temperature of 96̊C prior to packaging it in drink boxes. They need to heat 3,250 kg of apple juice (10.5% solids) from an initial storage temperature of 39̊F to its heat treatment temperature. ...
February 6, 2012 by Nadine

Science
When taking a bath, we use approximately 450 lbs of water. How much heat, measured in British Thermal Units (BTU) is required to heat the water from 60 degrees Fahrenheit to 104 degrees Fahrenheit?
September 9, 2014 by Ken

AP Physics
You go to kitchen to boil water. You pour 280 gram of water to a container, and put the container on a 293 W electric heater. Assume that all the heat from the heater is used to heat the water. The specific heat of water is 4.19 J/g C. As always, be accurate to 4 significant...
December 3, 2009 by Sasami

ap chemistry
the heat of neutralization for a strong acid in dilute water solution is about 60 kJ/mol of H+. What quantity of heat in kJ is produced when 100 mL of 3 M HCl is mixed with 100 mL of 1 M KOH?
September 24, 2010 by Sarah

Fantel
The heat of vaporization of water is 40.66 kJ/mol. Assuming sweat is 100% water, how much heat is removed from your body through the evaporation of 3.50 g of sweat?
March 28, 2012 by Joe

Chemistry
The heat of vaporization of benzene, C6H6, is 30.8kJ/mol at its boiling point of 80.1 degrees celsius. How much energy in the form of heat is required to vaporize 102g of benzene at its boiling point? I know that the answer is 24.2kJ but i am not sure how to get this.
February 5, 2012 by Hannah

biology
Selena noticed that the sand at the beach seemed much warmer than the water. She wondered whether that was because water took more enrgy to heat up than land. I don't understand. What I would like to know here, is what would be the dependent and independent variable. And what ...
September 11, 2011 by Tati

chem
How much heat is required to raise the temperature of 200 g CH3OH from 20 to 30 degrees and then vaporize it at 30 degrees. The molar heat capacity of CH3OH is 81.1 J/Mol/K. Okay...the answer is approximately around 254. It was a homework problem. The question is how do you ...
February 15, 2010 by joseph

Physics
A soft drink can contains about 0.20 kg of liquid at 5 oC. Drinking this liquid can actually consume some of the fat in the body, since energy is needed to warm the water to body temperature (37 oC). How many kcal should the drink have so that it is in perfect balance with the...
September 20, 2010 by Eric

Chemistry
how much heat is required to vaporize 343 g of liquid ethanol at its boiling point?
April 8, 2010 by Anonymous

Physics
How much heat energy is required to convert 0.1000kg of ice at -10.0 C into water at 50 C?
December 8, 2011 by Dorrito

chemistry
how much heat is required to vaporize 343g of liquid ethanol at its boiling point?
March 25, 2013 by tanya

physics
you take 250.0 g of ice from the refrigerator at -8.00 degrees celsius. how much heat does it take to warm it to room temperature, 20.0 degrees celsius?
May 13, 2012 by megan

Physics 11th grade 'Heat' .
Finishing his ginger ale, Ramesh stands at party holding his insulated foam cup that has nothing in it but 0.100 kg of ice at 0℃. 1) In sentence above, How much more heat must be gained to raise the temperature of the melted ice to room temperature of 23.0℃? 2)...
March 15, 2013 by Isis

How do I solve for this??
How much heat (in Joules) is gained by the water when a chemical reaction takes place in 100.0 ml aqueous solution, has a temperature increase of 12.67C and a specific heat capacity of 4.180 J/Cg? [Hint: ignore any effects of the calorimeter and solve for qwater]
June 24, 2013 by Ashley

chemistry
How many gallons of C6H12 , measured at 20 degrees Celsius, must be burned to provide enough heat to warm 26.4m3 of water from 17.4 degrees Celsius to 32.8 degrees Celsious , assuming that all the heat of combustion is transferred to the water, which has a specific heat of 4....
December 9, 2012 by Anonymous

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
June 17, 2011 by Britney

Chemistry
calculate the mass percent of sand, sodium chloride and copper(ll) sulfate in a sample that yields: mass of sample= 14.088g, mass of sand=0.2255g, mass of copper(ll)oxide = 0.1994g (assume 100% yield for each of the copper(ll) reactions) CuSO4(aq) + 2NaOH(aq) --> Cu(OH)2(s...
October 16, 2011 by Anonymous

math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused
March 22, 2010 by Katherine

math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused
March 22, 2010 by Katherine

math
container A has twice the capicity of container B. container A is full of sand and container B is empty. suppose 1/8 of the sand in container A is poured into container B. what fractional part of container B will conatin sand.........please halpme i am confused
March 22, 2010 by Katherine

Biology
Which pulmonary volumes would change during exercise and which will not? Explain how AND why they would change. 1.) Tidal Volume 2.) Inspiratory Reserve Volume 3.) Expiratory Reserve Volume 4.) Residual Volume Thanks for the help Since this is not my area of expertise, I ...
April 17, 2007 by JYD

Physics
How much energy would your body need to provide for the following : a)sweating and evaporation of 1kg of water from your skin. b)heat loss by radiation at the rate of 100 wats for 12 hours. (the specific latent heat of vaporisation of water is 2.3MJkg-1)
June 1, 2011 by Nelly

Physics
How much energy would your body need to provide for the following : a)sweating and evaporation of 1kg of water from your skin. b)heat loss by radiation at the rate of 100 wats for 12 hours. (the specific latent heat of vaporisation of water is 2.3MJkg-1)
June 2, 2011 by Nelly

Chemistry
How do I solve this? How much heat (in Joules) is gained by the water when a chemical reaction takes place in 100.0 ml aqueous solution, has a temperature increase of 12.67C and a specific heat capacity of 4.180 J/Cg? [Hint: ignore any effects of the calorimeter and solve ...
June 23, 2013 by Ashley

Please help me solve
How much heat (in Joules) is gained by the water when a chemical reaction takes place in 100.0 ml aqueous solution, has a temperature increase of 12.67C and a specific heat capacity of 4.180 J/Cg? [Hint: ignore any effects of the calorimeter and solve for qwater]
June 23, 2013 by Ashley

Physics
During a particular thunderstorm, the elctric potential difference between the clouds and the groud is Vcloud-Vgroud = 10^9 volts with the cloud being at the higher potential. Now, there is a lightning flash in which a charge of -25C is transferred from the ground to the cloud...
January 26, 2010 by Es

chem
HOw much energy is required to heat 36.0g H2O from a liquid at 65C to a gas at 115C? The following physical data may be uselful. Hvap=40.7kJ/mol C liquid=4.18 C gas=2.01 C solid= 2.09 T melting=0 C T boiling=100 C The answers about 87.7 kJ However I'm not sure how you get this...
May 11, 2008 by natash

physics
how much heat is required to vaporize 7 grams of ice initially at 0 degrees celsius when the latent fusion of ice is 80 cal/g, the vaporization of water is 540 cal/g, and the specific heat of water is 1 cal/(g x C)?
February 19, 2010 by elisabeth

chemistry
65.0 mL of water is heated to its boiling point. How much heat in Kj is required to vaporize it? (Assume a density of 1.00 g/mL)
September 10, 2010 by jessa

physics
how much heat is required to change 400g of ice at -20c into steam at 120c
October 6, 2010 by steve

chemistry
how much heat is required to raise the temperature of a 35 gm block of aluminum from 125 to 322 degrees?
November 26, 2012 by maryam

chem 101
how much heat is required to melt 25.6g of solid diethyl ether(at its melting point)
December 6, 2012 by to

math
container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container A is poured into Container B. What fractional part of container B will contain sand?
September 27, 2012 by israel

Physics
Nitrogen gas is introduced into a large deflated plastic bag. No gas is allowed to escape, but as more and more nitrogen is added, the bag inflates to accommodate it. The pressure of the gas within the bag remains at 1 \rm atm and its temperature remains at room temperature (...
September 1, 2010 by Todd

science
usually, which is younger, the pebbles in sand, or the sand surrounding the pebbles? I think it's the pebbles in sand.
April 2, 2009 by Angie

Physics
A solid disk rotates in the horizontal plane at an angular velocity of 0.034 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.11 kgm2. From above, sand is dropped straight down onto this rotating disk, so that a ...
August 16, 2011 by Kristi

Physics
A solid disk rotates in the horizontal plane at an angular velocity of 0.036 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.17 kg m2. From above, sand is dropped straight down onto this rotating disk, so that a ...
November 1, 2011 by jason

physics
A solid disk rotates in the horizontal plane at an angular velocity of 0.040 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.13 kgm2. From above, sand is dropped straight down onto this rotating disk, so that a ...
November 16, 2014 by bob

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 ...
October 6, 2008 by sherri

chemistry
How much heat, in kilojoules, is evolved when a 3.70 kg sample of molten Cu freezes? The normal boiling point is 1357 K, and heat of fusion is 13.05 KJ/mol. 2.) How much heat must be absorbed at 1357 K to melt a bar of copper (80 * 10 * 12 cm) assume d = 8.93 g/cm^3.
February 15, 2010 by Andrew

chemistry
How much heat, in kilojoules, is evolved when a 3.70 kg sample of molten Cu freezes? The normal boiling point is 1357 K, and heat of fusion is 13.05 KJ/mol. 2.) How much heat must be absorbed at 1357 K to melt a bar of copper (80 * 10 * 12 cm) assume d = 8.93 g/cm^3.
February 15, 2010 by Andrew

chem
Calculate the amount of heat required to convert 17.5g of ice at -33.5∘C to steam at 100.0∘C.
April 23, 2014 by shadow

Organic Chemistry
How is the rate of adjusted when using a sand bath as a heat source?
November 7, 2009 by Nicole

college chemistry
Calculate the amount of heat required to heat 80 grams of water from 10 to 53C. The specific heat capacity for water is 4.184 J/gC.
September 7, 2010 by summer

physics
A puddle filled with 20. kg of water is completely frozen to -6.0 degrees celcius in the middle of winter. How much heat must be absorbed by the puddle to melt the ice and warm the water up to 20. celcius during the spring thaw?
January 27, 2010 by trav

Science Grade 3
Heat is flowing from the living room to the bedroom. I need to draw a diagram that shows what you know about hte temperature in each room...what should I do? Heat can flow if warm air is interacting with cooler air. (lesser and greater densities) It always seeks equalibrium. ...
May 30, 2007 by Marie

Chemistry
What quantity of heat is necessary to convert 50.0 g of ice at 0.0 C into steam 100,0 C? The heat of fusion is 80.0 cal/g, the heat of vaporization is 540 cal/g, and the specific heat of water is 1.00 cal/gC.
March 27, 2012 by Jill

Chemistry
How would I calculate these? I have the answers because there from a previous test. 1) How much heat is required to raise the temperature of a 5.52-g sample of iron ( specific heat = 0.450 J/g C) from 25.0 degrees C to 79.8 degrees C? 2) You mix 60. mL of 1.00 M silver nitrate...
June 30, 2013 by Mary

chemistry
The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, and the specific heat of water is 4.184 J/deg/g. How many grams of ice at 0 could be converted to steam at 100 C by 9,946 Joules of heat?
November 15, 2013 by Dakota

physics
On a cold winter day when the temperature is -20 degrees celsius, what is the amount of heat needed to warm internal body temp(37) the .5 L of air exchanged with each breath? Specific heat of air is 1020 J/(kg K) and that 1.0L air has a mass of 1.3g. Please help!! I dont know ...
November 30, 2009 by Joe

chemistry
Some properties of aluminum are summarized in the following list. normal melting point 658C heat of fusion 0.395 kJ/g normal boiling point 2467C heat of vaporization 10.52 kJ/g specific heat of the solid 0.902 J/gC (a) Calculate the quantity of energy required to heat 1.75 ...
May 1, 2010 by Jake

Chemistry
Some properties of aluminum are summarized in the following list. normal melting point 658C heat of fusion 0.395 kJ/g normal boiling point 2467C heat of vaporization 10.52 kJ/g specific heat of the solid 0.902 J/gC (a) Calculate the quantity of energy required to heat 1.75 ...
May 1, 2010 by Charles

Chemistry
What is the heat required in Joules to raise the temperature of 100.0g ice at -20 degrees C to steam at 120 degrees C?
May 14, 2011 by Sue

Chem
Calculate the amount of heat required to heat a 3.8 gold bar from 30 to 67. Specific heat capacity of gold is 0.128 .
September 10, 2011 by Anonymous

CHEM
A 60.0 sample of water is heated to its boiling point. How much heat (in ) is required to vaporize it? (Assume a density of 1.00 .)
September 2, 2010 by Anonymous

chemistry
How much heat is required to convert 0.4 kilograms of ice at 0 degrees celsius to water at the same temperature?
March 1, 2011 by Anonymous

chemistryB
How much heat is required to decompose 25.5 grams of NaHCO3? 2NaHCO3(s) + 129 kJ 2Na2CO3(s) + H2O(g) + CO2(g)
July 22, 2011 by jane doe

chem
What would happen to the specific heat if some of the warm metal shot were lost during the transfer to the calorimeter? Answer a. It would not affect the calculated value of specific heat b. It would cause the calculated value of specific heat to be artificially high c. It ...
October 24, 2010 by kellie

Chemistry
Anyone know how to go about the problem? I don't know how to do it. Assume a professor has a daily special request for her coffee. She likes to have the 250.0 mL of coffee frozen at -15.0C overnight and then wants it heated to 95C when she gets there in the morning. Δ...
September 25, 2014 by Josh

physics
A box with a volume V = 0.03 m^3 lies at the bottom of a lake whose water has a density of 103 kg/m^3. (a) How much force is required to lift the box, if the mass of the box is 100 kg? (b) How much force is required to lift the box, if the mass of the box is 70 kg?
November 27, 2012 by lisa

Chem
In a coffee cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield the following reaction: Ag+ (aq) + Cl- (aq) -----------------> AgCl (s) The two solutions were initially at 22.60 C, and the final temperature is 23.40 C. Calculate the ...
November 2, 2011 by Joe

Chemistry
In one experiment, the mass of water is 92.6 grams, the initial temperature of the water is 67.6oC, the mass of liquid nitrogen added to the water is 61.4 grams, and the final temperature of the water, after the liquid nitrogen has vaporized, is 35.6oC. Specific heat of water...
October 13, 2011 by Carrie

Physics
If an automobile had a 100%-efficient engine, transferring all of the fuels energy to work, would the engine be warm to your touch? Would its exhaust heat the surrounding air? Would it make any noise? Would it vibrate? Would any of its fuel go unused? Discuss.
September 22, 2013 by Miss Angie

organic chem
How is the rate of heating adjusted when using a sand bath as a heat source?
December 1, 2007 by kales

Math
At a certain construction site, there is a pile containing 55 tons of sand. Four trucks, each of which holds 11.4 tons of sand, are filled from this pile. How many tons of sand remain in the pile? A. 9.4 B. 16.2 C. 20.8 D. 32.2 E. 43.6
January 27, 2014 by Neil

college algebra
A steel drum in the shape of a right circular cylinder is required to have a volume of 100 cubic feet. express the amount of material required to make the drum as a function of the radius r of the cylinder. also how much material is required if the drum is of radius 3 feet?
February 27, 2012 by Carol

chemistry
Calculate the energy in the form of heat, in kJ, required to convert 225 grams of liquid water at 21.0 C to steam at 115 C. Heat of fusion = 0.333 kJ/g; heat of vaporization = 2.26 kJ/g; specific heat capacities: liquid water = 4.18 J/gC., steam = 1.92 J/gC. A. 88.5 kJ B...
October 2, 2011 by Ninaya

chemistry
a 50.0 ml sample of water is heated to its boiling point. how much heat (in KJ) is required to vaporize it? (assume a density of 1.00g/ml).
February 7, 2009 by reese

Chemistry
How much heat is required to vaporize 343g of liquid ethanol at its boiling point? ΔHvap+38.6 Kj\mol
February 22, 2010 by Anonymous

chemistry
how much heat is required to raise the temperature of one mole of NaCl(s) by 15 degrees celsius at constant pressure
February 23, 2011 by emoni

chemistry
How much energy is required to vaporize 75.5 mL of ethanol (C2H5OH, d=0.789 g/cm^3) at its boiling point, if its heat of vaporization is 40.5 kJ/mol?
September 30, 2012 by Brunette

Physics
How much heat, expressed in Kwh, is required to raise the temperature of water in a 20,000 gallon pool by 10 degrees C. ?
April 26, 2013 by Wolter

physics
135.2 J of heat energy are transferred to 24.75 g of mercury. By how much does the temperature increase? (in K) Specific heat of the mercury is 140 J/kgC. How much heat is needed to raise the temperature of 24.75 g of water by the same amount? Specific heat of the water is ...
November 14, 2014 by sunshine

physics
Determine the quantity of heat required to convert 1kg of ice at −20 degrees Celsius to water at 100 degrees Celsius? Specific heat capacities of water and ice water are 2302 J/kgK and 4186 J/kgK respectively
November 19, 2014 by Sam

Physical Science
A 100 kg sample of a metal is cooled from 100C to 20C by removing 20 kcal of heat. Calculate the specific heat capacity of the metal.
October 12, 2012 by Anna

Physical Science
A 100 kg sample of a metal is cooled from 100C to 20C by removing 20 kcal of heat. Calculate the specific heat capacity of the metal.
October 12, 2012 by Anna again...help!

chemistry
Consider the following reaction: 2H2 (g) + O2 (g)  2H2O (l) ΔH = -572 kJ a. How much heat is evolved for the production of 1.00 mol H2O (l)? b. How much heat is evolved when 4.03 g hydrogen is reacted with excess oxygen? c. How much heat is evolved when 186 g ...
November 9, 2012 by Anonymous

Chemistry
How much heat would be required to convert 234.3 g of solid benzene, C6H6(s), at 5.5 c into benzene vapor, C6H6, at 100 c? mp of C6H6=5.5c bp of C6H6=80.1 c mhc C6H6(l)=136J/mol*c mhc C6H6(g)=81.6J/mol*c mhfusion at 5.5 c=9.92kJ/mol mhvaporization at 80.1 c= 30.8kJ/mol
August 1, 2010 by Holly

Science
A 100 kg sample of a metal is cooled from 100C to 20C by removing 20 kcal of heat. Calculate the specific heat capacity of the metal.
February 5, 2014 by Anonymous

Math
Mr Kim mix cement and sand to make a mixture.He uses 2 pails of cement for every 5 pails of sand. (A) Find the ratio of the number of pails of cement to the number of pails of sand. (B) If he uses 24 pails of cement,how many pails of sand does he use? (C) If he uses 35 pails ...
October 2, 2014 by Dan

Chemistry
Suppose 100.0 mL of 1.00 M HCl and 100.0 mL of 1.00 M NaOH, both initially at 23.0C, are mixed in a thermos flask. When the reaction is complete, the temperature is 29.8C. Assuming that the solutions have the same heat capacity as pure water, compute the heat released (in kJ).
October 23, 2014 by Jonah

Chemistry
the specific heat of aluminum is 0.900 J/g degrees celsius. how much energy is required to heat 45.0g of aluminum from 20.0 degrees celsius to 50.0 degrees celsius. a. 2840 J b. 810 J c. 1220 J d. 2030 J
October 16, 2011 by Meg

Science
Calculate the mass percent of sand, sodium chloride and copper (II) sulfate in a sample which yields the following data: mass of sample = 1.088g, mass of sand = 0.2255g, mass of copper (II) oxide = 0.1994g (assume 100% yield for each of the copper (II) reactions). The ...
October 17, 2011 by Shangkary

Physical Science
How much heat is absorbed by pouring 10 grams of 100C liquid water on a students hand. The water is cooled to body temperature, 37C. Assume that all of the heat is absorbed by the hand
October 22, 2012 by Kayden

Bio
Hey! I am doing a biology lab in which we take liver and sand and place it in a test tube, to see it if it will react with hydrogen peroxide. One of the test tubes just has sand in it, and no reaction occurs. This is because the sand acts as a control and is inorganic meaning...
February 25, 2008 by Grade 12 Biology

Organic Chemistry
The solubility of compound A in ethanol is 0.5 g per 100 mL at 0oC and 5.0 g per 100 mL at 78oC. (a) To make a hot, saturated solution of 15.0 g of A at 78oC, how much ethanol is required? (b) When the solution prepared in is cooled to 0oC, how much of compound A will be ...
September 24, 2014 by Mac

physical science
How much heat is required to raise the temperature of a 10.0 kg of aluminum by 80 degrees Celsius? Look up the specific heat of aluminum. The units will be Calories/kg*degC or Joules/kg*degC. Multiply that number by the temperature change (80 C) and the mass (10.0 kg). See ...
June 22, 2007 by jan

Chemistry
A generic solid, X, has a molar mass of 77.7 g/mol. In a constant-pressure calorimeter, 31.2 g of X is dissolved in 289 g of water at 23.00 C. The temperature of the resulting solution rises to 24.40 C. Assume the solution has the same specific heat as water, 4.184 J/(gC...
November 2, 2014 by Katherine

Physics
A rectangular barge 5 m long and 2 m wide floats in fresh water. (a) Find how much deeper it floats when loaded with 500 kg of sand. (b) If the barge can only be pushed 10 cm deeper into the water before water overflows to sink it, how many kilograms of sand can it carry?
May 18, 2008 by Emily

Chemistry
Calculate the amount of heat (in calories) required to raise the temperature of 200g of water from 20C to 50C. The specific heat of water is 1.00 cal/g. I have done other spacific heat problems but on this one i don't know how to start...
November 10, 2009 by Christina

geometry
A box is filled with 6 cans of tennis balls. If the empty space was filled with sand, how much sand will be needed to fill the box? Each can of tennis balls has a radius of 2 in. Height of box is 12in.
June 8, 2011 by jean

ela
Check the grammer and spelling Our project will make more heat than other projects because we have tin foil that reflect the heat and the shiny side of the tin foil keeps it warmer. We have a very soft blanket that will keep the water warm because its very soft and warm. This...
January 12, 2010 by anu

physics
(a) How much waste heat is produced by an electrical power station that uses 1.05 multiplied by 1014 J of heat input with an efficiency of 40.0%? (b) What is the ratio of waste heat to work output? (c) How much work is done?
July 24, 2013 by Eric

Science again...
What other form is released by a radio. A. Heat Energy B. Mechanical Energy C. Ultraviolet Radiation UV? Can you get a tan from your radio? What is that sound...is it mechanical energy? IS the radio warm? Heat energy because c is something to do with the sun b is mechanical ...
April 17, 2007 by Missy

Physics (College)
Driving on asphalt roads entails very little rolling resistance, so most of the energy of the engine goes to overcoming air resistance. But driving slowly in dry sand is another story. If a 1200 kg car is driven in sand at 5.2 m/s, the coefficient of rolling friction is 0.06. ...
November 26, 2011 by Set11

chemistry
How much heat would be relaesed by the condensation of 5.40g of steam at 100 (degrees)C and the subsequent cooling of the water to 25(degrees)C? [(delta)Hvap=40.7 KJ/mol at 100(degrees)C; Cp for H2O(l) is 4.18Jg-1 (degrees)c-1] A) 12.2 kj B) 18.3 kj C) 12.8 kj D) 13.9 kj E) 23...
June 21, 2010 by Kim

Chem
What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at 100 degree C?
September 10, 2011 by Sue

chemistry
What are the Kilojoules needed to melt 24.0g of ice at O degrees C, warm the liquid to 100 degree C and change it to steam at 100 degree C? Thank you,
September 11, 2011 by Sue

math word problems
Container A has twice the capacity of container B. Container A is full of sand and container B is empty. Suppose 1/8 of the sand in container B will contain A is poured into container B. What fractional part of container B will contain sand?
September 8, 2012 by cristina

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