An ice bag containing 280 g of ice at 0 ∘C∘C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 25.5 ∘C∘C How many kilojoules of heat were absorbed? Express your answer using one decimal place and include the appropriate units.

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

Q: A 277.7 gram sample of copper is initially at 26.5 °C, and it absorbs 17.22 kJ of heat from its…

A:

Q: When 762 joules of heat is added to a sample of solid copper (Cu), the temperature rises from 18.2…

A: We will use formula of heat

Q: Water (2430 g ) is heated until it just begins to boil. If the water absorbs 5.85×105 J of heat in…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: A 30.22 gram sample of copper (specific heat, 0.385 J/g•°C) with an initial temperature of 107.3°C…

A: Final Temperature of the metal isTf = 31.6 oC

Q: How much heat energy is required to raise the temperature of 0.366 kg of copper from 23.0 ∘C to 60.0…

A: The heat energy required to raise the temperature can be calculated as follows,

Q: Benzene is a starting material in the synthesis of nylon fibers and polystyrene (styrofoam).  Its…

A:

Q: A beaker contained 62.09 g of water at 19.6°C. A 86.23-g sample of metal at 75°C was placed in it,…

A: Mass of water = 62.09 g Initial temperature of water = 19.60C Mass of metal = 86.23 g Initial…

Q: A beaker contained 70.3 g of water at 13.51°C. A 102.77-g sample of metal at 72.84°C was placed in…

A:

Q: A 24.817 gram sample of water with specific heat of 4.184 J/g0C changes temperature from 25.00 0C to…

A: Given :-  Mass of water = m = 24.817 g Initial temperature of water = Ti = 25.00 °C  Final…

Q: A 2.30-gram ice cube at water’s melting point is dropped into a glass of warm juice and gains enough…

A: Endothermic reactions are those reaction where energy is absorbed during the reaction. Similarly,…

Q: If 10.0 g of cream at 15.4°C are added to an insulated cup containing 100.0g of coffee at  72.2°C.…

A: Specific heat of the substances is same as water i.e 4.18 j/gc

Q: The specific heat of gold is 0.13 J/gC and copper is 0.39 J/gC. Suppose we heat a 25 g sample of…

A: The specific heat of gold is 0.13 J/gC and copper is 0.39 J/gC. Mass of gold sample=25g=mass of…

Q: sports trainer applies an ice bag to the back of an injured athlete. Calculate the heat, in…

A:

Q: The specific heat of toluene, C7H8, is 1.13 J/g-K. How many joules of heat are needed to raise the…

A:

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL of…

A: Heat flow from high temperature to low temperature

Q: The relationship between the nutritional unit for energy and the metric unit is 1 Calorie = 1 kcal.…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

Q: A 19.0 gram sample of iron is initially at 414.0 °C. It loses 192.0 J of heat to its surroundings.…

A:

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: Given, mass of the water (m) =7.30 kg = 7300 gInitial temperature T1=30.8 0C= 273K +30.8 =…

Q: 100 grams of water is measured to have an initial temperature of 28 degrees Celsius. An unknown…

A:

Q: A Chemistry 1A student drops 65.0 grams of copper (cp = 0.385 J/g⋅°C) with an original temperature…

A:

Q: 15.0 g of cream at 16.9 °C are added to an insulated cup containing 150.0 g of coffee at 94.8 °C.…

A:

Q: Calculate the amount of heat needed to boil 129. g of methanol (CH 3 OH), beginning from a…

A: To calculate the amount of heat needed to boil 129. g of methanol (CH₃OH), we'll use the formula:q -…

Q: Calculate the amount of heat needed to met 77,0 g of sold ethanol (CH,CH,OH) and bring it to a…

A:

Q: Calculate the temperature change that occurs when 274 cal of heat are added to 24 g of water. The…

A:

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

A: To raise the temperature by 1∘ Celsius of a particular substance then for this a certain amount of…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅°C). What is the final temperature if 305…

A:

Q: An iron kettle weighing 1.37 kg contains 2.90 kg of water at 27.1°C. The kettle and water are heated…

A: We know the equation for heat energy, Q=mcΔt: [ Where, Q= the heat energy (Joules), m= the mass of…

Q: How much heat is required to warm 2.30 LL of water from 20.0 ∘C∘C to 100.0 ∘C∘C? (Assume a density…

A: Given problem :How much heat is required to warm 2.30 L of water from 20.0 oC to 100.0 oC ? (Assume…

Q: The cooling system in an automobile holds 10.0 L (11,100 g) of ethylene glycol antifreeze.  How much…

A: Mass of ethylene glycol (m) = 11,100 g Change in Temperature ΔT = 108.2 °C —18.8 °C = 89.4 °C…

Q: At a local convenience store, you purchase a cup of coffee,but, at 98.4°C, it is too hot to drink.…

A: Given information: Initial temperature of coffee (Ti) = 98.4∘C Initial temperature of ice (Tf) =…

Q: If 132 g of ice at 0.0°C is added to 1.64 L of water at 98°C, what is the final temperature of the…

A: a) Given: Mass of ice = 132 g. Initial temperature of ice = 0.0 oC Volume of water = 1.64 L = 1640…

Q: Calculate the amount of heat needed to boil 73.9g of water ( H2O ), beginning from a temperature…

A:

Q: he density of liquid oxygen at its boiling point is 1.14 kg/L , and its heat of vaporization is 213…

A: Heat of vaporization for 1 kg of liquid oxygen = 213 kJ

Q: a 16.7 g polystyrene foam cup containing 31.0 mL coffee changes in temperature from 18 degrees…

A: Given: Mass of polystyrene foam cup = 16.7 g Volume of coffee = 31 mL = 31 x 10-6 m3 Change in…

Q: 20.0 g of an unknown metal receives 1,405 joules of heat and experiences a temperature increase of…

A:

Q: A piece of cobalt (cp = 0.46 J/g⋅⋅°C) originally at 98.6 °C is placed into a coffee cup calorimeter…

A: Specific heat of cobalt =  0.46 J/g°C  Initial temperature of Cobalt = 98.6 °C Final Temperature of…

Q: Bha Calculate the amount of heat needed to melt 27.9g of solid acetic acid (HCH3CO2) and bring it…

A: Amount of acetic acid, m = 27.9 g We have to calculate the amount of heat needed to bring the…

Q: A piece of iron with a mass of 35 g is heated and then placed in a beaker containing 600 g of water.…

A:

Q: An iron kettle weighing 1.43 kg contains 2.84 kg of water at 25.3°C. The kettle and water are heated…

A: Thermochemistry is branch of chemistry in which we deal with heat of reaction such as heat evolved…

Q: Assuming that Coca-Cola has the same specific heat as water [4.18 J/(g⋅∘C)], calculate the amount of…

A:

Q: 35 g of aluminum (specific heat 0.88 J/g °C) at 24 °C are placed in 180 mL (180 g) of coffee at 85…

A: Given :         Mass of Aluminium = 35 g          Specific heat = c = 0.88 J/g0C…

Q: If 52 J of heat is added to an aluminum can with a mass of 29.1 g, what is the temperature change?…

A:

Q: A 42.89 gram sample of copper (specific heat, 0.385 J/g•°C) with an initial temperature of 105°C is…

A:

Q: A 25.0 mL sample of ethanol (density=0.789 g/mL) initially at 7.0 Celsius is mixed with 35.0 mL of…

A: Volume of ethanol = 25.0 mL Density of ethanol = 0.789 g/mL So, mass of ethanol = volume * density =…

Q: what is its final temperature?

A:

Q: Calculate the amount of heat needed to boil 193. g of benzene (CH), beginning from a temperature of…

A: The amount of heat required to raise the temperature is calculated using the following equation:mass…