How many grams of ice must be added to 100 grams of water at 60 degrees so that its temperature drops to 20 degrees celcius? As far as i know I have to use: (Mass)*(specific heat of water) *(finaltemperature 
72,364 results
chem
When 72 grams of a metal at 97.0oC is added to 100.0 grams of water at 25oC, the final temperature is 29.1oC. What is the specific heat capacity (in J/g.oC) of the metal?

science
if 8.100 grams of C6H6 is burned and heat is produced from the burning is added to 5691 grams of water at 21 degrees celsius what is the final temp of the water? 2C6H6+15O2=12CO2+6H2O+6524kj

Gifted and Talented Science
Which falling object will result in the least kinetic energy when it collides with the ground? (1 point) A. 10 grams of water, falling at 1m/s B. 100 grams of dirt, falling at 15 m/s C. 10 grams of dirt, falling at 2m/s*** D. 100 grams of water, falling at

Chemistry
A student placed 17.0 g of glucose (C_6H_{12}O_6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100 mL mark on the neck of the flask was reached. The flask was then shaken

Chemistry
Assuming complete dissociation of the solute, how many grams of KNO3 must be added to 275 mL of water to produce a solution that freezes at 14.5 degrees celcius ? The freezing point for pure water is 0.0 degrees celcius and Kf is equal to 1.86 degrees

chemistry
when 84 joules of heat are added to 2.0 grams of water at 15 degrees C, what will be the final temperature of the water? A. 50. degrees C B. 5.0 degrees C C. 25 degrees C D. 15 degrees C

Physics  ice to liquid
Fifty grams of hot water at 80oC is poured into a cavity in a very large block of ice at 0oC. The final temperature of the water in the cavity is then 0oC. Show that the mass of ice that melts is 50 g. To melt ice to 50g of water, I think that it will

Chemistry
If 30 grams of KCl is dissolved in 100 grams of water at 40 degrees celsius, how many additional grams of KCl would be needed to make the solution saturated at 80 degrees celsius?

Physical science
how many calories to change 100 grams of water at 100 degrees C. to 100 grams of steam at 100 degrees C.?

Please Help Fast
A student placed 10.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached. The flask was then shaken until

Chemistry Solubility Curves
If 50 grams of water saturated with potassium chlorate at 23*C is slowly evaporated to dryness, how many grams of the dry salt will be recovered? I know that I should know this.. But it has 50 grams of water instead of 100. ): Please, someone tell me how

Physics 20
1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled from 46 degrees Celsius to 2 degrees Celsius? 3. How much energy is gained when a

physics
How much heat must be added to 20 grams of water at 100 degrees Celsius to convert it to steam? My work Q = (20)(4.18 x 10^3)(100) = 8360000 J Is that the correct answer?

chemistry
A 49g piece of ice at 0.0C is added to a sample of water at 9.0C. All of the ice melts and the temperature of the water decreases to 0.0C . How many grams of water were in the sample?

chemistry
if 27 grams of ice at 0 degrees celsius is added to 123 grams of water at 100 degrees celsius in an insulated container, calculate the final temperature. assume specific heat of water is 4.184 J/K g

soran university
1. Which salt is LEAST soluble at 0 ºC? 2. How many grams of sodium nitrate, NaNO3, are soluble in 100 g of water at 10 ºC? 3. When 50 grams of potassium chloride, KCl, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described

Chemistry
How many grams of ice could be melted by the energy obtained as 18.0 grams of steam is condensed at 100.0 degrees celcius and cooled to 0.0 degrees celcius?

physics
What is the final equilibrium temperature when 40.0 grams of ice at 0°C is mixed with 5.00 grams of steam at 120°C? The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the specific heat of water 4.186 kJ/kg °C,

physica
help A thermally insulated vessel containing 100 grams of ice at 0 degrees Celsius . Water at 55 degrees celsius is poured and after some time , the system reaches the equilibrium at a temperature of 10 degrees Celsius. That amount of water in grams was

Chemistry
A 70 piece of ice at 0 is added to a sample of water at 6. All of the ice melts and the temperature of the water decreases to 0. How many grams of water were in the sample?

Science
A solution in a dish contains 3.0 grams of salt dissolved in 100 grams of water. If 50 grams of the water evaporates, the solution is A compound A mixture An element A Solid

chemistry
an unsaturated solution is made by completely dissolving 20.0 grams of NaNO3 in 100.0 grams of water at 20.0 degrees celcius. show a corrct numerical sat up for calculating the number of moles of nano3(gramformula mass = 85.0 grams per mole) used to make

Science
A 44 g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?

Chemistry
if 130 g of KNO3 are added to 100 g of water at 40 degrees Celsius.How many grams do not dissolve?

science
Fifty grams of ice at 0 degrees celcius is added to 200grams of water at 40 degrees celcius contained in a 100 grams copper calorimeter. If the final temperature of the mixture is 16 degrees celcius, find the heat of fusion of ice.

chemistry
A certain substance has a solubility of 12 grams in 100 grams of water at 20°C. This means that _____ the substance will begin to dissolve when 12 grams are present in solution when 12 grams of the substance are stirred into a beaker with 100 g of water,

Chemistry
If 100.0 J are added to 20.0 grams of water at 30.0 degrees Celsius. What will be the final temperature?

Physical Science
what amount of energy in calories would it take to bring 20 grams of solid ice at negative twelve degrees celsius to liquid water at 100 degrees celsius?

Chemistry Dr.Bob
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice at 15 degree C? Is the physical state of water liquid? The explanation from bobpursly was this The sum of heats gained =0

Chemistry
How much ice (in grams) be added to lower the temperature of 355 mL of water from 25 ∘C to 5 ∘C ? (Assume the following: the density of water is 1.0 g/mL, the ice is at 0 ∘C, the heat of fusion of ice is 6.02 kJ/mol, and the volume of water produced

physics
In a physics experiment, a 0.100 kg aluminum calorimeter cup holding 0.200 kg of ice is removed from the freezer, where both ice and cup have been cooled to 5.00 degrees Celsius. Next, 0.0500 kg of steam at 100 degrees Celsius is added to the ice in the

Chemistry
How much heat in kJ is required to melt 54 grams of ice at 0 degrees C into water at 0 degrees C if delta Hvap for water = 6.01 kJ/mol?

chemistry
a 52g piece of ice at 0 degree is added to a sample of water at 6 degree all the ice melts and the temp of the water decreases to 0 degrees how many grams of water were in the sample?

chemistry
how much NaNO3 must be added to saturate 100.0 grams of water at 20 degrees

Science
A piece of lead at 100 degrees celsius has a mass of 500 grams. It is placed in a 200 grams of water at 20 degrees celsius that is contained in an aluminum caloriemeter with a mass of 400 grams. If the final temperature of lead, water and caloriemeter is

Science
Why does the temperature remain constant around 0 degrees C and 100 degrees C? For what? For water when it is freezing or boiling? Or do you have another question in mind? Sorry, it's for water when it is freezing or boiling. Think of it this way. Start

chemistry
When 45 grams of an alloy is dropped into 100.0 grams of water at 25 degrees celcius, the final temperature is 37 degrees celcius. what is the specific heat of the alloy? the alloys Temperature is 100 degrees celsius

AP Chemistry
The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.

Chem help!!
A rock salt (NaCl), ice, and water mixutre is used to make homemade ice cream. How many grams of rock salt must be added to lower the freezing point 10.0 degrees C? I have no idea what to do, please help! delta T = Kf*i*m delta T = 10. Kf is the molal

Chemistry
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice at 15 degree C? Is the physical state of water liquid? I don't understand the set up. The setup is like this (answered by

Chemistry
A 62g piece of ice at 0 degrees celcius is added to a sample of water at 9 degrees celcius. All of the ice melts and the temperature of the water decreases to 0 degrees celcius. How many grams of water were in the sample

ap chemistry
A sample of KOH is dissolved into 100.0 grams of water in a coffee cup calorimeter. if the dissolution produces 6.45 kJ of heat and the temperature change is 25.4 degrees celcius to 40.0 degrees celcius, how much KOH (in grams) is added to the water? (the

Physics
Please Help! I am having difficulties grasping these concepts. Explain please! 1. How much heat energy is required to change 500 grams of water at 100 degrees Celsius to steam at 100 degrees Celsius? 2. How much energy is lost if 7kg of water is cooled

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

Science
Which of the following procedures increases the average kinetic energy of the molecules in a beaker of water. 1. heating water from 0 degrees C to 100 degrees C. 2. Cooling steam at 100 degrees C to ice at 0 degrees C. 3. Changing ice at 0 degrees to

General Chemistry
how many grams of a protein weighing 4500 grams/ mol must be present in 100 ml of water solution to a given osmotic pressure of 18 mm hg at 25 degrees celcius...( use formula of pie = Mrt

physics
A 55 grams copper calorimeter contains an unknown mass of water at 18 degrees celcius. When 755 grams of alloy at 100 degrees celcius is dropped into the calorimeter ,the resulting temperature is 20.4 degrees celcius. Determine the mass of water.

Chemistry
How much ice in grams would have to melt to lower the temperature of 58.2 g of water from 55.0 degrees C to 0 degrees C? Assume the density of water is 1.0 g/mL Any advice on how to tackle this problem would be appreciated. Thanks

chemistry
a 42 piece of ice at 0.0 C is added to a sample of water at 8.0 C. all of the ice melts and the temperature of the water decreases to 0.0 C. how many grams of water were in the sample.

Chemistry HELP!
A student placed 10.5g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached. The flask was then shaken until

Physics
How many grams of ice must be added to 100 grams of water at 60 degrees so that its temperature drops to 20 degrees celcius? As far as i know I have to use: (Mass)*(specific heat of water) *(finaltemperature  initial temperature = ??

Physics
400 grams of a metal at 300 C is added to 100 grams of of water at 20 C. Assuming all the heat lost by the metal is gained by the water and that the final temperature or water and metal is 95 C, calculate the specific heat of the metal. Using grams and

Chemistry
determine the final temp when 45.8 g of aluminum at 5.2 degrees C is added to a mixture of 45.0 grams of ice at 0.00 degrees C and 2000.0 g of water at 95.0 degrees C.

Chemistry
100 grams of glucose is mixed with 500 grams of water. 10 grams of yeast is then added to the mixture. If the reaction goes to completion, what is the mass of ethanol in the final mixture?

Chemistry
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44

Chemistry
Suppose that 100.0 g of ice a 0 degreesC are added to 300.0 g of water at 25.0 degrees . Is this sufficient ice to lower the temperature of water to 5.00 degrees C and still have ice remaining? Calculate the energy (heat) which must be removed from water

oceanography
Compute the amount of heat is needed to raise the temperature of 1,200 grams of ice at 30 degrees C to 1,200 grams of water vapor at 140 degrees C. Show work.

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

Physics
Please Help! An object at 20 degrees Celsius with heat capacity 100 calories/Celsius is placed in 40 grams of water at 100 degrees Celsius. After equilibrium is reached, the object is removed from the hot water and placed in 200 grams of water at 0 degrees

CHEM
1. A chemistry student added 22.5 grams of aluminum at 85.00C to 115 grams of water at 23.00C in a perfect calorimeter. The final temperature of the aluminumwater mixture was 41.40C. Use the student’s data to calculate the specific heat of aluminum in

Chemistry
the heat of fusion water is 335J/g,the heat of vaporization of water is 2.26kJ/g, the specific heat of water is 4.184J/deg/g. how many grams of ice at 0 degrees could be converted to steam at 100 degrees C by 9,574J

Chemistry II
How many grams of gasoline would you need to burn if you started with a 275 gram piece of ice that started at 25 OC and by the end of the experiment had 100 grams of steam and the rest liquid water?

chemistry
How many grams of gasoline would you need to burn if you started with 275 gram piece of ice that started at 25C and by the end of the expirement had 100 grams of steam and the rest liquid water?

Chem
Consider a glass of 277 mL of water at 25°C. Calculate the mass of ice at 15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0 g/mL. I have no idea how to

chemistry
1) If 358 g of KNO3 are dissolved in 650 mL of water at 80°C, at what temperature will solid settle out when it is cooled? 2) Give 2 ways, quantitatively, that a solution of 80 g of NaNO3 in 100 mL of water at 70°C can be made saturated. 3) If 100 g of

Physics
what is the number of grams of steam at 100 degrees C that will condense as 5g of ice at 0 degrees C melts?

Physical Science
A hot metal spoon with a mass of 77.0 grams and a temperature of 95.0 degrees celsius is placed into a cup containing 100 grams of water at 20 degrees celsius. When the spoon and water reach equilibrium, they both have a temperature of 25 degrees celsius.

Chemistry
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice at 15 degree C? Is Tf= 109 C? Is it in the steam phase?

Science
And ice cube Wayne 1 g is placed in our closed insulated container with 9 g of water at 20°C 68°F after 24 hours elapse the container will hold what (1) ten grams of water (2) one gram of ice and nine grams of water (3) five grams of ice and five grams

physics
what is the equilibrium temperature if 100 grams of water at 20 degrees celsius is added to 50 grams of water at 62 degrees celsius in an insulated container of negligible mass?

Chemistry
I've seen the posts on solving this particular equation, and I know the answer is right in front of me. I'm still having trouble understanding why... a 42g piece of ice at 0.0 degrees C is added to a sample of water at 7.8 degrees C. All the ice melts and

ChemistryDr.Bob 222
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice at 15 degree C? Is the physical state of water liquid? I still don't understand how to do this.

General Chemistry II
A quantity of ice at 0 degrees celcius is added to 64.3 grams of water in a glass at 55 degrees celcius. After the ice melted, the temperature of the water in the glass was 15 degrees celcius. How much ice was added? The heat of fusion of water is

Chemistry
What is the final temperature and physical state of water when 250 grams of water at 85 degrees C is added to 80.0 grams of ice at 15 degree C? Is the physical state of water liquid? I don't understand the set up that I have to set the equation equal to 0

Physics
A cube of ice is taken from the freezer at 8.5 degrees celsius and placed in a 100 gram aluminum calorimeter filled with 300 grams of water at room temperature of 20 degrees celsius. the final situation is observed to be all water at 17 degrees celsius.

Chemistry
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44

chemistry
One has 100.0 grams of water and 45.0 grams of ice in a flask at 0 C. (a) what is the total volume?

Chemistry
Consider the reaction of Lithium with water: 2 Li(s) + 2H2O(l) > 2 LiOH(aq) + H2(g) The delta H of the reaction is 160 KJ The enthalpy of fusion of H2O is 6.0 kJ/mol The specific heat capacity of H2O(l) is 4.18 J/gC When 10 grams of Li(s) is dropped

Physics
3/2/2016 An unknown substance at a temperature of 20 degrees Celsius is warmed up to 50 degrees when water at 80 degrees is added to it. The sum of the masses of the unknown substance and water is equal to 1000grams. In another experiment, the same

Chemistry
At 50 degrees, 100 grams of water is saturated with cerium (III) sulfate. How many grams of cerium (III) sulfate must be added to saturate the solution at zero degrees celsius?

college
If 75 grams of ice at 0 degrees celsius were added to 1.5 Liters of water at 75 degrees celsius, what would be the final temperature?

chemistry
a mixture of 100 grams of water is mixed with 100 grams of sodium nitrate at 30 degrees celcius if filtered how much salt would be left behind

Chemistry
If 100.0 J are added to 20.0 grams of water at 30.0 degrees Celsius. What will be the final temperature?

chemistry
What will be the concentration if 40 grams of sugar is added to 100 grams of water?

chemistry
a 100 mL {100 grams} of water at 4.0 degrees celsius is heated until its tempurture is 37 degrees celcus. if the specific heat of water is 4.18 joules/grams degrees celcus calculate the amount of heat energy needed to cause this rise in tempurture

science
a 100 mL {100 grams} of water at 4.0 degrees celsius is heated until its tempurture is 37 degrees celcus. if the specific heat of water is 4.18 joules/grams degrees celcus calculate the amount of heat energy needed to cause this rise in tempurture

Physics
50 grams of ice cubes at 5oC is added to a 1 litre (1 kg) of water that is initially at 30oC. a) Use the table of values to find the energy needed to melt the ice:(energy to raise the temperature of the ice to 0oC+ change the state of the ice to water) b)

science
A solutuion is prepared by adding 40 grams of NaC1 to 100 grams of water at 80 degrees Celcius. Describe this solution.

Physics
A cylindrical copper rod of length 1.20 m and crosssectional area 5.60 cm^2 is insulated to prevent heat loss through its surface. The ends are maintained at a temperature difference of 100 degrees C by having one end in a waterice mixture and the other

science
what will be the law of conversion of a) 65 grams 70 grams b) magnesium + oxygen = magnesium oxide 45 grams ? grams 80 grams c) sodium hydroxide + hydrochoride acid 40 grams 36.5 grams sodium chloride + water ? grams 18 grams

Chemistry
A flask was immersed in 350 g of water at 25 degrees C. Steam at 100 degrees C was passed into this flask, and eventually condensed into water at 100 degrees C. If the temperature of the water surrounding the flask was raised to 70 degrees C, how many

Thermochemistry please
I really need help on this problem... ===================== Hydrocarbon Formula Delta H (kj/mol) 1,3Butadiene C4H6(g) 111.9 a) calculate the fuel value in kJ/g for this compound and determine the percentage of hydrogen by mass. I've tried it for hours yet

science
if .38 kJ of heat is added to 19.6 grams of ice at 12.0 degrees celsius, what will be the final temperature?

college chemistry
a 42 piece of ice at 0.0 C is added to a sample of water at 8.0 C. all of the ice melts and the temperature of the water decreases to 0.0 C. how many grams of water were in the sample.

chemistry
If 74.5 grams of a hot metal was added to 56.4 grams of water and the temperature of the water rose from 20.4 to 33.4 degrees, how many KJ of energy was lost by the hot metal?

AP Chemistry
The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.

Science
What is the mass (in grams) of water that is produced when 100.0 grams of nitrogen monoxide is reacted with 75.0 grams of hydrogen according tho the following balanced eguation? 2NO + 5H2 = 2NH3 + 2H2O

Physics
How much heat must be removed from 500 grams of water at 0 degrees C to form ice at 0 degrees c?