specific heat

11,803 results, page 5

ap chemistry

How much heat is required to heat 19 g of solid silver from 100 ◦C to liquid silver at 961◦C? The specific heat of solid silver is 0.235 J/g ·◦ C, and the heat of fusion of silver at its melting point of 961◦C is 11.3 kJ/g. Answer in units of kJ

Chemistry HELP

In a constant-pressure calorimeter, 50.0 mL of 0.300 M Ba(OH)2 was added to 50.0 mL of 0.600 M HCl. The reaction caused the temperature of the solution to rise from 21.73 °C to 25.82 °C. If the solution has the same density and specific heat as water, what is ΔH for ...

Physics

if the specific heat of aluminum is 0.21 cal/g degree C, how much heat is givin off when 10 grams of aluminum is cooled from .50 to .10 degress

chemistry

f 89 of heat are added to a pure gold coin with a mass of 15 , what is its temperature change? Specific heat capacity of gold is 0.128 .

Chemistry

The temperature of a 2.0 g sample of aluminum increases from 25 to 30 degrees celcius. How many joules of heat energy were added? Specific heat of Aluminum is .9

Physics

To raise the temperature of a 2.0-kg piece of metal from 20ºC to 100ºC, 61.8 kJ of heat is added. What is the specific heat of this metal in kJ/(kg.K)? Question 1 options: A) 0.39 B) 0.31 C) 1.6 D) 1.2 E) 0.77

chemistry

How much heat is required to warm 250.4 g of water from 22.6 C to 75.8 C given that the specific heat capacity of water is 4.184 J/gx degrees C?

chem

How much energy (in Joules) is required to heat 13.48 g of water from 10.5 oC to 46.2 oC ? Use 4.184 J/goC as the specific heat capacity of water.

Physics

How many Btu of heat must be added to 900lbs of steel to raise its temperature from 20.0°F to 500°F? Specific heat of steel .115Btu/lb°F

Science/C

A 250 gram sample of metal is warmed from 50°C to 90°C when 100 calories of heat are added. What is he specific heat capacity of the metal?

chemistry

If 125cal of heat is applied to a 60.0-g piece of copper at 20.0(Deg C), what will the final temperature be? The specific heat of copper is 0.0920cal/(g.degC)

chemistry

The specific heat of a certain type of metal is 0.128 J/(g·°C). What is the final temperature if 305 J of heat is added to 53.3 g of this metal initially at 20.0 °C?

chemistry

If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.

chemistry

If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.

Chemistry

The specific heat of solid gold is 0.13 J/g • °C. How much heat is needed to raise the temperature of 25.0 g of gold from 23°C to its melting point at 1063°C?

Chemistry

Calculate the heat given off when 177 g of copper cools from 155.0 c to 22.0 c. The specific heat capacity of copper is 0.385 j/g c

chemistry

The specific heat of a certain type of metal is 0.128 J/(g·°C). What is the final temperature if 305 J of heat is added to 57.2 g of this metal initially at 20.0 °C?

chemistry

dissolving 4.022 g of a salt in 100 mL of water changes temperature by -1.2^oC: what is the heat absorbed? The specific heat of water is 4.184 J/(g*C)

chem

When 13 grams of a sample cools from 56c to 34.4cit loses 25.8 Joules of heat. What is the specific heat of the sample?

CHEMISTRY

The specific heat capacity (cp) of lead is 0.13 J/g °C. How much heat (in J) is required to raise the temperature of 15 grams of lead from 22 °C to 37 °C? a. 2.0 b. -0.13 c. 0.13 d. 29

CHEMISTRY

The specific heat capacity (cp) of lead is 0.13 J/g °C. How much heat (in J) is required to raise the temperature of 15 grams of lead from 22 °C to 37 °C? a. 2.0 b. -0.13 c. 0.13 d. 29

Chemistry

A chunk of silver has a heat capacity of 42.8 J/degrees C and a mass of 181g. Calculate the specific heat of silver.

Chemistry!!

A chunk of silver has a heat capacity of 42.8 J for 1ºC and a mass of 181g. Calculate the specific heat of silver.

chemistry

How much heat is needed to raise the temperature of 75 grams of copper from 35„aC to 57„aC? The specific heat of copper is 0.385 J/g „aC.

chemistry

How much heat is needed to raise the temperature of 75 grams of copper from 35„aC to 57„aC? The specific heat of copper is 0.385 J/g „aC.

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.)

chemistry

The specific heat of aluminum is 0.214 cal/g·°C. Calculate the heat necessary to raise the temperature of 47.9 g of aluminum from 18.9°C to 62.2°C

Physics

Help please A 200.0 g copper block absorbs 2.34 × 10^3 J of heat to raise its temperature by 30.0 K. What is the specific heat of copper?

Phsyics

How much heat is required to raise the temperature of a 4.1-kg block of steel by 64 K? (The specific heat of this steel is 450 J/kg · K.)

SCIENCE

How many calories of heat do you need if you want to raise the temperature of 310 g of gasoline from 17.0°C to 24.0°C? Specific heat of gasoline is 0.40 cal/g·°C.

Chemistry

The specific heat of aluminum is 0.900*j/g*C How much heat is required to raise the temperature of a 30.0 g block of aluminum from to 25.0 oC to 75 oC?

Chemistry

The specific heat of a copper metal is 0.385J/g-°K. How many kJ of heat are needed to raise the temperatue of 1.1 kg block of copper from 27.5°C to 50°C? -Thank you ☺

chemistry

The specific heat of copper metal is 0.385 J/ g- K. How many KJ of heat needed to raise the temperature of 1.1 kg block of copper from 27.5 C to 50 C?

physics

1.5 kg of an unknown liquid at a temperature of 17 degrees Celsius is added to 2kg of water at 50C. The final temp of the mixture is 45C. Assuming no heat is lost to the environment, determine the specific heat capacity of the unknown liquid. So I assume you would do Qmct = ...

chemistry

100g of stea initial at 100 degree celcius is passed through a calorimeter containing 1kg of water at 20 degree celcius. Assuming no heat loose and negligible heat capacity of the calorimeter, calculate the final temperature of the calorimeter and the content. heat of ...

had

A 0.106 kg ice cube is taken out of a freezer with temperature -16°C. It is then added to a glass of water with mass 0.25 kg. The water initially has a temperature of 24.2 °C. Assume no heat is added or lost to the surroundings. Calculate the amount heat required to ...

Chemistry

How do you convert energy into to joules (can you please give me an example with showing me your i.e how you did it, in full detail) How do you find specific heat numbers? Your questions beg for amplification. Please expand. Energy is measured in joules (IN SI), what do you ...

science

The density of a 1.0 M solution of NaCl is 1.04 g/mL and its specific heat, c, is 3.06 J/C*g. How much heat is absorbed by 3.14 mL of this solution if the temperature rises from 18.6C to 29.7C? q=m*C*delta T (1.04g)(3.06)(11.1K)=35.32 is that right?

chemistry

What is the specific heat of a substance if it takes 250 J of heat energy to raise the temperature of a 20 g sample from 20 degrees celsius to 45 degrees celcius?

Chem

How much heat do I need to convert 200g of liquid water at -25C to water at 30C?. The specific heat capacity of H2O(s) is 2.1 J g*C

science

the specific heat of sliver is 0.235j /g.c. how much heat is neeeded to raise the tempreature of an 8 gram sliver ring be 50 degrees celecius

math

A solar home contains 3.50 multiplied by 105 kg of concrete (specific heat = 1.00 kJ/kg·K). How much heat is given off by the concrete when it cools from 29 to 20°C?

chemistry

Liquid water has a specific heat of 4.184 J/g degrees celcius. If 50 grams of water is heated from10 to 55 degrees celcius, what is the heat energy in joules needed to heat this water

Physics

calculate the specific heat capacity of the materials for which the heat supply, mass, and temperature rises are given below: i)25200J, 0.3Kg,20K ii)8000J, 500g, from 20'C to 60'C iii)9450J, 150g, from 15'C to 45'C

Chemistry

the specific heat of a substance is the energy (Joules) required to raise one gram of substance by one degree celsius (units J/g°C). Heating 225.0° cm3 of a solid from 36.1° to 74.3°C takes 35850 J of energy. The density of the solid at 36.1°C is 1.75 g/cm3. what is the ...

math

If i place a dish of ice outside in the sun, The ice has a mass of 0.59 kg and a surface area of 0.039 m2. Assuming that the ice is originally at 0 °C and using my answer for part b, which was 1370w/m^2 * 49 * 0.039m^2 = 26.18 watts, How long do i have to wait until all the ...

Chemistry

The specific heat of toluene, C7H8, is 1.13 J/g K. How many joules of heat are needed to raise the temperature of 30.0 g of toluene from 10.4°C to 29°C? THANK YOU

Chem

The amount of energy needed to heat 2.00 g mercury from 50.0°C to 85.0°C is 9.87 J. The specific heat capacity of this sample of mercury is

Physical Science

When 8 kcal of heat is added to 2.4 kg of a substance, its temperature increases 23 C°. What is the specific heat of the substance?

Chemistry

An unknown metal with a mass of 313 g has a heat capacity of 121 J/oC. What is the specific heat of the metal?

chem

If 309 J of heat are removed from 10.0 g of ice (specific heat = 2.06 J/g ºC) at -5.5 ºC, what is the final temperature of the ice sample?

Chemistry

7. The specific heat of wood is 2.03 J/g∙°C. How much heat is needed to convert 550. g of wood at -15.0°C to 10.0°C?

chemistry

A chunk of silver has a heat capacity of 42.8 j/°c and a mass of 181 g. Calculate the specific heat of silver

science

what is the specific heat of aluminum if temperature of a 28.4g sample of aluminum is increased by 8.1 c° when 207J og heat is added

physics

a banana with a temperature of 17 degrees C (specific heat of banana= 3520j/kgK) and a a mass of 250g is placed in a bowl of milk with a temperature of 8 degrees C and a mass of 350g (specific heat of milk= 4200 J/kgK). no heat is lost to the bowl or the air as the banana and ...

physics

What is the heat of fusion of silver? what is the heat of vaporization for silver? what is the specific heat of silver? thank you.

Physics

A2.0-kg piece of steel with a temperature of 70 degree C is submerged in 1.0 kg of water at 15 degree C. At what temperature does the water/metal system reach equilibrium? The specific heat of steel is 0.107 cal/(g*K). Specific Heat of water is 4185 J/(kg*K.( The answer is 27 ...

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

Physics

Work it out. How many joules of heat is given out when pieces of iron of mass 50g and specific heat capacity =460kgk cools from 80¡èc to 20¡èc?

Science Physics

How many Btu of heat must be added to 1200 lb of copper to raise its temperature from 100°F to 450°F -specific heat for copper is 0.092-

chem

The temperature of a 80.0 g sample of mate- rial increases from 15.0◦C to 42.0◦C when it absorbs 4.00 kJ of energy as heat. What is the specific heat of this material? Answer in units of J/g · K.

Chemistry

Calculate the amount of heat necessary to raise the temperature of 12.0 g of water from 15.4ºC to 93ºC. The specific heat of water = 4.18 J/gºC. q = ms∆T q = (12.0g) (4.18) (93.0 - 15.4) q = 3892.416 J ??

Chemistry

The specific heat capacity of Lead is 0.127J/degrees C*g. What is the molar heat capacity of Lead? What is the heat capacity of a lead cylinder that has a mass of 235000g?

Chemistry

Steam at 100°C was passed into a flask containing 250 g of water at 21°C, where the steam condensed. How many grams of steam must have condensed if the temperature of the water in the flask was raised to 76°C? The heat of vaporization of water at 100°C is 40.7 kJ/mol and ...

Chemistry

What is a method for determining the specific heat for a metal like sodium which reacts with water? You could heat it and let it come to an equilibrium temperature inside a calorimeter. or you could put it in a liquid such as kerosene and observe the heat, temperature changes...

Physcial Science

Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC. D) 0.02 cal/goC. You...

Physcial Science

Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC. D) 0.02 cal/goC. You...

Physcial Science

Hey There, I have 4 questions that I am totally stumped on... Can anyone help? A 200-gram chunk of stuff rises in temperature by 3oC when you input 1200 calories of heat. What is its specific heat capacity? Answers A)50 cal/goC. B) 2 cal/goC. C) 5 cal/goC. D) 0.02 cal/goC. You...

chemistry

During a reaction, you see that the heat (q) given off is 3.8 calories. Knowing that you used a mass of 100 g and that the temperature change was 7.85°C, what is the specific heat of this reaction?

Chemistry

The specific heat of a certain type of metal is 0.128 J/(g-c). What is the final temperature if 305 J of heat is added to 86.9 g of this metal initially at 20 degrees C? Tfinal = ___ C

Chemistry

If 89J of heat are added to a pure gold coin with a mass of 20g , what is its temperature change? Specific heat capacity of gold is 0.128 J/g∘C.

Chemistry

If 92J of heat are added to a pure gold coin with a mass of 12g, what is its temperature change? Specific heat capacity of gold is 0.128 J/g ∘ C

physics

1. what is the specific heat of an object if the heat needed to change its temperature from 40degree celsius to 75degree celsius for 75 kg of it is 536 kcal? Please show me how to oompute it.

Physics

How much heat must be removed from a 240 g block of copper to lower its temperature from 150°C to 18°C? The specific heat capacity of copper is 0.093 cal/g·C°.

chemistry

9.0 g of KCl was dissolved in 300 mL of water in a calorimeter. Calculate the heat of solution in kJ/mol if the temperature dropped by 2.53 K on dissolution. The specific heat of water is 4.184 J/g K

Science

If the specific heat of a marshmallow is 2 J/g, how much heat is given off when it cools from room temp (25C) to its liquid nitrogen bath. Weight of the marshmallow 7.4g

College Chemistry

The specific heat of a certain type of cooking oil is 1.75 cal/(g·°C). How much heat energy is needed to raise the temperature of 2.83 kg of this oil from 23 °C to 191 °C?

Chemistry 101

A piece of metal weighing 10.65 grams releases 3450 joules of heat energy when it is cooled from 99.9c to 28.5c. Wheat is the specific heat capacity of the metal in J/g c..

pysics

The quantity of heat required to raise the temperature of 500g of copper from 16oc +116oc assuming the specific heat capacity of copper =400j /kgk

Engineering/Chemistry

Milk is flowing through a heat exchanger at a rate of 2000kg/h. he heat exchanger supplies 111,600kJ/h. The outlet temperature of the product is 95C. Determine the inlet temperature of the milk. The product specific heat is 3.9kJ/(kg*C)

Chemistry

how much heat is required to warm a 215 g cup of water from 21 degree Celsius to 85 degree Celsius? Not sure what the formula is or how to set this up. I know the specific heat formula is heat/mass x change in temperature. Not sure if this applies to the question. Please help...

Chemistry

Calculate the energy required to change the temperature of 256.7 mL of water at 22.0 degrees celsius to ice at a temperature of -25.5 degrees celsius. It also tells me to look up the heat of fusion and specific heat. I don't know what I need the heat of fusion for exactly. ...

biology

is there a difference between heat capacity and specific heat capacity, or are they the same thing?

Physics

What's the difference between heat capacity and specific heat capacity? What units are each measured in?

chemistry

the specific heat of ethanol is o.58 cal/g c how much energy is required to heat 60.0 g of ethanol for 25 g c to 45 c

chemistry

When 14 grams of a sample cools from 59C to 27.8C it loses 20.9 Joules of heat. What is the specific heat of the sample?

Heat and property matter

What is the specific heat of a substance at its boiling point or melting point

Chemistry

When 821 J of heat is added to 3.6 g of an oil at 21 °C, the temperature rises to 85 °C. What is the specific heat (cp) of the oil in J/(g°C)?

physics

Water has a specific heat of 4.186 J/g°C. How much heat is required to increase 10.0 g of water from 25.0°C to 30.0°C?

Physics

Trying to beat the heat of summer, a physics grad student went to the local toy store and purchased a child's plastic swimming pool. Upon returning home, he filled it with 154 liters of water at 25°C. Realizing that the water would probably not be cool enough, he threw ice ...

Biochemistry

If the same amount of heat is added to equal masses of each of the following substances, which substance will undergo the largest temperature change? Substance Specific heat(j/gC) Al (s) 0.90 Cl2(g) 0.48 C6H6(l) 1.7 H2O (l) 4.2 NaCl(s) 0.87 temp. change = 1/S.H. (specific heat...

Physics

An ice chest at a beach party contains 12 cans of soda at 3.05 °C. Each can of soda has a mass of 0.35 kg and a specific heat capacity of 3800 J/(kg C°). Someone adds a 7.15-kg watermelon at 25.0 °C to the chest. The specific heat capacity of watermelon is nearly the same ...

chemistry

A volume of 115 mL of H2O is initially at room temperature (22.00 ∘C). A chilled steel rod at 2.00 ∘C is placed in the water. If the final temperature of the system is 21.40 ∘C , what is the mass of the steel bar? Use the following values: specific heat of ...

Physical science

a 5.0 x 10^1g piece of a metal in thermal equilibrium with boiling water is removed and placed in 1.0 x 10^2g of a cooling water bath (specific heat= 1.00cal/g degrees celsius at 20.0 degrees Celsius . The final temperature of metal and the water bath is 28.0 degrees celsius ...

Chemistry

How many joules of heat are needed to heat 25.0 g of ice at -5.0 degrees celcius to a final temperature of 40.0 degrees celcius? The specific heat of ice is 2.1 j. Our teacher mention to consider the state of water present at 40.0 degrees celcius which is confusing me. Any ...

chem

Calculate the amount of heat required to heat a 3.3kg gold bar from 24 degrees celsius to 61 degrees celsius. Specific heat capacity of gold is 0.128 J/g degrees Celsius! Express your answer using two significant figures.

Chemisty

How many grams of ice at -6.1C can be completely converted to liquid at 27.4C if the available heat for this process is 4.60×10^3 kJ ? For ice, use a specific heat of 2.01J/(g*C) and traingle Hfus = 6.01kJ/mol.

Chemistry

During a reaction, you see that the heat (q) given off is 4.6 cal calories. Knowing that you used a mass of 100 g and that the temperature change was 7.85°C, what is the specific heat of this reaction?

Chemistry

During a reaction, you see that the heat (q) given off is 4.6 cal calories. Knowing that you used a mass of 100 g and that the temperature change was 7.85°C, what is the specific heat of this reaction?

physics

The specific heat is 0.80kJ/C. If 1.6MJ of heat are added to a 100-kg granite statue of James Prescott Joule that is originally at 18 degrees C. What is the final tempertaure of the statue?

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