A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the rocks during the day, and air blown by night to heat the house. The box contains 7.5 x 10^4 g of rocks, which have a specific heat of 0.49 j/g celsius. How much additional heat can the rocks store when they warm from a nighttime at 18degree celsius to a daytime temperature at 43 degree celsius?

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: 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: Ethanol is a common laboratory solvent and has a density of 0.7890.789 g/mL. What is the mass, in…

A: Given: Density of ethanol = 0.7890 g/mL Volume of ethanol= 143143 mL To Calculate : Mass in grams…

Q: The initial temperature of a 22-g sample of copper is 25°C. If the sample absorbs 236 J of heat,…

A: Provided initial temperature of copper(T1) =25°C Let final temperature of copper=T2 Absorbed heat…

Q: Calculate the quantity of heat required to raise the temperature of 60.0 g of water from 22.1 °C to…

A: Specific heat capacity is amount of heat capacity is required to raise temprature of one gram…

Q: a cast iron skillet weighing 3.56 lbs (specific heat=0.449 j/g°C) is heated to 178.0 °C. How much…

A: Given: mass of steel skillet = 3.56 lbs = 1614.79 specific heat of steel = 0.449 j/g°C Initial…

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: 20.0 mL of Hg are heated from room temperature (25.00 °C) to 60.00 °C. The specific heat capacity of…

A:

Q: The specific heat of copper metal is 0.385 J/g degree C. How much heat in Joules is necessary to…

A:

Q: A piece of a mysterious metal has a mass of 455g. It was determined that its heat capacity is 34.3…

A: The heat capacity of a given substance is defined as the amount to heat required to raise the…

Q: If you left equal masses of iron and water out in the sun on a hot day, which one would be hotter…

A: The compound that has the least heat capacity will experience the highest change in temperature when…

Q: I have 270 mL of hot coffee in an insulated vessel.  I cool it down  to 83 degrees C by adding a 25…

A: If the ice is placed in container with water, the heat start flowing from water to the ice, and…

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

A:

Q: A piece of plastic at 159 °C was put in a beaker with 132.6 g ethanol at 22.2 °C. The temperature of…

A:

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: How many grams of water at 17 °C  must be mixed with 180 g (about 6 oz) of coffee at 96 °C so that…

A:

Q: A 47.0-g sample of copper at 99.8 °C is dropped into a beaker containing 147 g of water at 18.6 °C.…

A: Given: Mass of copper sample                       = 47.0 g Initial temperature of copper sample =…

Q: An unknown substance with a mass of 45.12 absorbs 261.3 J of heat. Its temperature increases from…

A:

Q: An amount of food is burned and releases 6800.0 calories of energy. What mass of water can be heated…

A: The amount of heat transferred in a system is calculated as follows,…

Q: A simple solar energy heater is a glass-topped box containing rocks. Sunlight heats the rocks during…

A: Given that: Mass of rock (m) = 7.5×104 g Specific heat capacity (C) = 0.49 J/g°C Temperature change…

Q: A student is trying to determine some information about a metal sphere. He weighs a piece of metal…

A: Given: Mass of metal = 8.25 g. Initial temperature of metal = 24.5 oC Final temperature of metal =…

Q: Suppose you heat a metal object with a mass of 30.1 g to 95.4 degrees celsius and transfer it to a…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: How much energy would it take to heat a section of the copper tubing that weighs about 520.0 g ,…

A: Given:Mass of Cu = 520.0 gHeating from 14.68 ∘C to 21.23 ∘CSpecific heat of  Cu 0.3850 J/(g⋅∘C).

Q: The temperature of a 15.9 g sample of gold increases from 22.1 degrees Celsius to 30.6 degrees…

A:

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: A 125g piece of metal is heated to 288celcius and dropped into 85.0 g of water at 12.0 Celsius. The…

A: Given,Mass of metal = 125 gTemperature = 288 oCMass of water = 85.0 gTemperature = 12 oCFinal…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Given data : Mass of copper(mc) = 18.9 gms Temperature of copper(Tc) = 99.38°C Mass of water(mw) =…

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: The specific heat capacity of liquid mercury is 0.14 J/g°C. How many joules of heat are needed to…

A: Option B is correct. ( 40J )

Q: A 46.5-g sample of copper at 99.9 °C is dropped into a beaker containing 149 g of water at 18.3 °C.…

A:

Q: How many grams of water can be heated form 20.0°C to 45.0°C by the heat released from 215.0 g of…

A: Heat is the type of energy that is transmitted between two substances at different temperatures. The…

Q: Specific Heat Mass of metal 42.156 g Mass of cups and water 60.082 g Mass of cups 10.811 g Mass of…

A:

Q: In the lab, a cube of wood has a mass of 35.8 grams and its temperature rises from 20.3oC to 79.5oC…

A: Given: The mass of wood, (m)=35.8 g The initial temperature, (Ti)=20.3oC The finaal temperature,…

Q: coffee-cup calorimeter contains 60 mL of water with an initial temperature of 24.9 degrees C. An…

A:

Q: gold bar of  unknown amount absorbs 1.09 kJ of heat and raises its temperature from 5.3 °C to 72.2…

A: Heat absorbed, q = mCs∆T  ∆T = T2 - T1  T1 = Initial temperature T2 = Final temperature m = Mass of…

Q: A 125-g piece of metal is heated to 288 °C and dropped into 85.0 g of water at 12.0 °C. The metal…

A: Using the given statement that dropping hot metal into water with given data we conclude that heat…

Q: If 171.4 grams of water must be heated from 8.00°C to 85.0 °C to make a cup of tea, how much heat…

A: The solution is as follows :

Q: How much heat, in units of Joules, is needed to warm 647.2 g of copper from 40 °C to 82 °C? The…

A: q = mc∆T q = heat  m = mass of copper  c = specific heat of copper  ∆T = change in temperature

Q: The specific heat capacity of liquid mercury is 0.14 J/gK. How many joules of heat are needed to…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kgsubstance…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A:

Q: The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of…

A:

Q: It took 4.15x 10^3 J energy to raise the temperature of a piece of copper metal from 31 degrees…

A: The energy required to raise the temperature of a metal ion by 1oC is called its specific heat (Cs).…

Q: A 43.0-g sample of copper at 99.1 °C is dropped into a beaker containing 151 g of water at 18.7 °C.…

A: When copper is placed in water, the heat liberated from copper will be equal to the heat gained by…