A 142.7 g piece of copper is heated and then placed into 400.0g of water initially at 20.7 C. The water increases in temperature to 22.2 C. What is the initial temperature of the copper?

Q: 9. If 2,035 cal of heat is added to a 500.0 g sample of water at 35.0°C, what is the final…

A: Given:mass of water= 500ginitial temperature, t1= 35∘Cheat supplied to water, H=2035calto find,…

Q: If 87 J of heat are added to a balloon, causing it to expand from 1.0 L to 1.4 L under 0.97 atm of…

A: Given: Required heat = 87 J Initial volume = 1.0 L Final volume = 1.4 L External pressure = 0.97…

Q: A 3.50-g sample of rice is burned in a bomb calorimeter with a heat capacity of 8.29 kJ/°C. The…

A: The rice like anything biological consists of many substances , but the primary element is carbon in…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g. C). How much heat energy is needed…

A: The amount of heat energy required to raise the temperature of a substance = mass of the substance x…

Q: When 151.0 mL of water at 26.0 C is mixed with 71.0 mL of water at 85.0 C, what is the final…

A:

Q: ‘A silver coin (s = 0.233J/g Celsius) weighing 14.0g is heated to 100C and dropped into 26.0g of…

A: Specific heat capacity (s) :-  The amount of heat required to rise the temperature of 1 gram of a…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g⋅°C). How much heat energy is needed…

A: The mass of oil and the temperature change (ΔT) is given.

Q: How many grams of copper can be cooled from 69.0 to 25.5 °C by the heat gained by 100.0 g of water…

A: Thermological equation isQ = m * c * Delta (T) where "m" is mass amount "c" is specific heat"Delta…

Q: A kilogram of aluminum metal and a kilogram of water are each warmed to 75°C and placed in two…

A: Given: It is given that,"A kilogram of aluminum metal and a kilogram of water are each warmed to…

Q: A sample of water with a mass of 23.31 g and an initial temperature of 367.67 K   loses 8615 Joules.…

A:

Q: When 481 J of energy is added to 18.3 g of aluminum at 17.4°C, the temperature increases to 46.6°C.…

A: the heat capacity for aluminium is :

Q: 1. A 500. g cube of lead is heated from 25 °C to 75 °C. How much energy was required to heat the…

A:

Q: how much heat is released when 51.1 g of copper cools to 75.0°C from 58.9°C given the specific heat…

A: Q = m . s . (T1 - T2)

Q: A 44.3 g sample of water at 100.00 °C (specific heat of water = 4.184J/g.°C) was placed in an…

A:

Q: If a piece of granite absorbs 6345J of energy and the temperature of the granite increases 101℃,…

A: the answer is given as follows  Mass of granite is 79.52 gram

Q: A 110.3 g piece of copper (specific heat 0.380 J/g*°C) is heated and then placed into 400.0 g of…

A: We have to calculate the initial temperature of Cu.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 196.0 g sample…

A:

Q: 35. What quantity of heat is required to raise the temperature of 55.5 g of gold from 20 °C to 45…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g·°C). How much heat energy is needed…

A: Amount of heat energy required to raise the temperature of a substance is given by,

Q: In the laboratory a student finds that it takes 1Joules to increase the temperature of 13.3 grams of…

A:

Q: A 182g sample of gold at some initial temperature is added to 22.1g of water at 25.0 degrees C.  The…

A: The mass of gold is = 182 g The mass of water is = 22.1 g The initial temperature of water is =…

Q: A metal object with a mass of 19 g is heated to 96°C and is transferred to a calorimeter containing…

A: Given data: The mass of metal = 19 g. The temperature of the metal =  96°C. The mass of water = 75…

Q: The specific heat of a certain type of cooking oil is 1.75 cal/(g °C). How much heat energy is…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: A sample of water is heated from 10°C to 15°C by the addition of 130 joules of heat. What is the…

A: we know , Relationship between change in temperature and heat absorbed is given as…

Q: A 25.0 g sample of silver metal was heated to 170 °C and then placed in a calorimeter holding 50.0 g…

A: Given: The initial temperature of Silver = 170oC Initial temperature of water = 20.0oC Final…

Q: A 5.80-g sample of copper is heated from 55.0C to 75.0C. The amount of energy required to 23.20j .…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: Question attached

A: Given : Mass of water = 35.5 g Mass of metal = 9.323 g Initial temperature of water = 19.42 oC Final…

Q: 13. A student takes 22 grams of an unknown metal places them into a boiling water bath She leaves…

A: Given data mass of metal = 22 g Initial temperature of metal = 100 oC mass of water = 90 g Initial…

Q: When 126.0 mL of water at 26.0 ° C is mixed with 66.0 mL of water at 85.0 ° C, what is the final…

A: Given are two samples of water.  The mass of water in two samples can be calculated as

Q: How much energy is required to raise the temperature of 11.9 grams of solid iodine from 21.8 °C to…

A:

Q: 18.7 grams of ethanol are heated from 18.2°C to 112.1°C how many joules of energy were required?

A: Given that,  Weight of ethanol m = 18.7 g Initial temperature of ethanol T1 = 18.2°C Final…

Q: A 50.0-g sample of water at 25.0°C is mixed with 29.0 g of water at 89.0°C. The final temperature of…

A:

Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: How much energy is required to raise the temperature of a 22.588g piece of silicon (Si) to 56.0°C…

A:

Q: A sample of aluminum metal absorbs 9.86 J of heat, and the temperature of the sample increases from…

A:

Q: How many J of energy are needed to raise the temperature of 36.5 g of water from 21.55°C to 57.32°C?…

A:

Q: A home swimming pool contains 155 m3 of water. At the beginning of the swimming season, the water…

A: The joules of heat energy must be supplied can be calculated as,The specific heat of water =…

Q: How much energy is required to heat 105.0 grams of the substance from 14.0 degrees * C to 73.0…

A: Heat energy required for the transition can be calculated using respective phase changes and…

Q: A block of aluminum weighing 140 g is cooled from 98.4°C to 62.2°C with the release of 1080 joules…

A: Recall the following relation according to law of calorimetry amount of heat…

Q: 4. A block of aluminum weighing 140 g is cooled from 98.4°C to 62.2°C with the release of 1080…

A: Can find this answer in the image attached below.

Q: 1,922 Joules of heat are added to 42.5 grams of water, initially at 20∘C. What is the final…

A: The final temperature is given below

Q: In an experiment, 26.5 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

A:

Q: One beaker contains 156 g of water at 20. °C, and a second beaker contains 76.8 g of water at 95 °C.…

A: Heat gained (QGained) and heat lost (QLost) is calculated as shown in equation (1) and (2)…

Q: Hot water that is 78.0°C is to be mixed with 4L of cold water that is 23.0°C. What should be the…

A: When water at two different temperatures is mixed, the temperature of cold tap water increases and…

Q: A sample of aluminum (c = 0.900 J/g°C) is heated from 20.8°C to 38.7 °C using 3,750 J of energy.…

A: * Specific heat capacity of  aluminium ; C = 0.900 J/g°C  * ∆T = change in temperature = T2 - T1 T2…

Q: The specific heat of a certain type of cooking oil is 1.75 J/ (g.°C). How much heat energy is needed…

A: We can solve the problem from the following formula : If we consider Heat required = q, then : q = m…

Q: Anthracite coal, 1.0 g, produces 7.000 x 10° cal when burned. How many joules of energy does this…

A: We know that, calories of energy is related to Joules as,                  1 cal = 4.184 J…

Q: 4. The heat capacity of copper is 0.382 J/g°.C. A 22.6 g sample of copper at 93° C is placed in 50 g…

A:

Q: A 9.86 g sample of iron metal was heated in water to 85 C. Then it was dropped into a beaker…

A: From law of conservation of energy, Heat lost by hot body = Heat gained by cold body In our problem,…