How much energy (in kJ) is required to heat 15.98 g of Ga(s) from 29.8 K (its melting point) to 1366.8 K. The heat of fusion of Ga is 5.59 kJ/mol and the molar heat capacity of liquid Ga is 25.87J/mol*K. a) 38.54 kJ b) 150.9 kJ c) 7.928 kJ d) 9.208 kJ

Q: Consider a closed 500 mL container filled with 492 mL of liquid water at 20°C. The density of water…

A: Volume of water at 20°C: Density of water at 20°C:  Density of ice at 0°C: Container size: 500 mL

Q: How many grams of coffee must evaporate from 500 g of coffee in a 140g glass cup to cool the coffee…

A: Given, mc=500gmg=140gT1=95.00CT2=41.00CLv=2340 kJ/kgCw=4186 J/kg0CCg=840 J/kg0C

Q: How many grams of coffee must evaporate from 600 g of coffee in a 190 g glass cup to cool the coffee…

A: This is a question from the calorimetry from thermodynamics, according to the rule of calorimetry…

Q: 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…

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Q: a) How much heat in kcal must be added to 0.57 kg of water at room temperature (20°C) to raise its…

A: To determine: (a) The heat added to the water in kcal Given: Mass of water, m=0.57 kg Room…

Q: An engineer is designing a cooling system for a chemical process that produces 52 kJ of heat every…

A:

Q: Suppose we have a piece of a candy bar that has an initial mass of 28g. If we ignite the piece of…

A: The heat gained of loss by a material of mass m and specific heat s, when its temperature changes…

Q: How much heat Q, in Joules, is required to warm up 0.5 kg of water from 20 °C to 30 °C ? (Water…

A:

Q: Radioactive decay of granite and other rocks in Earth's interior provides sufficient energy to keep…

A: Given:The average release of heat per year is, Havg=0.03 J/kg.yearSpecific heat capacity, c=800…

Q: Suppose we have a piece of a candy bar that has an initial mass of 28g. If we ignite the piece of…

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Q: The average person drinks 2.6 L of water a day. If you drink 2.6 L of water at 0 degrees C and heat…

A: Given data as per question  T1  =  0 T2  =  37 Volume  =  2.6L density  =  1g/ml

Q: A sample of water that is initially at 84.0ºC absorbs 500 kcal of heat. As a result, the liquid…

A: Given that:- Initial temperature of water=80°C

Q: Copper has the following properties: specific heat (solid) = 386J.kg-1 C-1 , latent heat (fusion) =…

A: C =386J.kg-1 C-1L =2.07 x 10 5 J.kg -1 = 17 x 10-6 C-1

Q: An insulated beaker with negligible mass contains a mass of 0.300 kg of water at a temperature of…

A: Given data: Mass of the water, mw=0.3 kg Initial temperature of water, Ti=640C Specific heat of…

Q: Ice melts to liquid water at O.0°C and it absorbs 0.334kJ of heat per gram. Suppose the heat needed…

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Q: A slab of metal has a mass of 5.269 kilogram, an initial temperature of 37.9°C and a melting point…

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Q: Four liquids are at their freezing temperature. Heat isnow removed from each of the liquids until it…

A: Given The amount of heat that must be removed by liquid A is QA = 33500 J. The amount of heat that…

Q: A 38-g ice cube floats in 250 g of water in a 100-g copper cup; all are at a temperature of 0°C. A…

A: The given values are, mice=38 g=0.038 kgmw=250 g=0.250 kgmcu=100 g=0.100 kgTi,w=0° CTlead=90°…

Q: Water’s specific heat is 4.186 J/g·°C. A silicone fluid’s specific heat is 3.754 J/g·°C. Two 50 g…

A: Given data: Specific heat capacity of water (cw) = 4.186 J/g·°C Specific heat capacity of silicone…

Q: A container holds 0.70 g of argon at a pressure of 7.5 atm. A) How much heat is required to…

A: SOlution: given that m = 0.7 g P = 7.5 atm

Q: A certain alcohol has a specific heat of 0.57 cal/g\deg C and a melting point of -114\deg C. You…

A: There are mainly three forms of water: ice, water( liquid state) and gas. When ice is melted into…

Q: A mixture containing 21.4 g of ice (at exactly 0.00°C) and 75.3 g of water (at 55.3°C) is placed in…

A: Mass of ice = mice = 21.4 g Mass of water = mw = 75.3 g Final/equilibrium temperature of the mixture…

Q: Heat is added to 1 kg of water such that the temperature increases by 5 K. The specific heat…

A: Heat addition to increase the temperature of a material is called the specific heat addition to the…

Q: w much energy (in J) is required to raise the temperature of that volume of water from 12.8°C to…

A: Given values:- The volume of water,(V)=3.60 x 1012 m3 ----(1) The density of water,(ρw)=998.23 kg/m3…

Q: A 0.867 kg sample of ethanol is in its liquid state at its boiling temperature of 78 C. If 1.93e5 J…

A: Consider an ethanol of mass m having latent heat of vaporization Lv and Qgiven is the amount of heat…

Q: A block of copper with mass 0.600 kg is heated to 400. degrees Celsius from 260. degrees Celsius.…

A: