What is the amount of heat required to raise the temperature of 125 g of aluminum from 20 oC to 25 oC ? (specific heat of aluminum c= 0.21 cal/goC)

Q: A compound with a specific heat of 1.26 is at 20.6 degrees C. When 686.8 J of heat are applied to…

A:

Q: Mercury freezes at -40oC.  How many Joules of heat energy would you need to heat 2.0 g of Hg(l) from…

A:

Q: If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the…

A: Given, mass of methanol = 94 g C= 2.51 J/K g Tf = 79°C = 273+79 = 352 K Ti = 26°C = 273 + 26 = 299 K…

Q: Suppose you burn a 2.3 g sample of potato chips. You use the heat given off from that process to…

A:

Q: What is the specific heat of a 66.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: The relation between specific heat and heat energy is given by q = m * C * ΔT Where q = heat energy…

Q: Question 17 of 22 Submit In the following reaction, how much heat (in kJ) is released when 3.21…

A: Given combustion reaction: CH4 (g) + 2O2 (g)  ------> CO2 (g)  + 2H2O(g)  enthalpy change of the…

Q: How much would the temperature of 295 g of water increase if 17.4 kJ of heat were added? (the…

A:

Q: . The specific heat of wood is 2.03 J/g-°C. How much heat is needed to convert 550 g of wood at…

A: Mass M = 550 g Specific heat c = 2.03 J/g°C Initial temperature Ti = -15.0 °C Final temperature Tf =…

Q: The temperature of a sample of aluminum increased by 22.5 degrees celsius when 257 J of heat was…

A:

Q: mass

A:

Q: A sample of iron was heated to 125.0 oC and then placed in 375 g of water at 21.0 oC. The…

A: Given that, Temperature of iron sample Tiron =125.00C , mass of iron = m (supposed) Mass of water =…

Q: Suppose you burn a 2.6 g sample of potato chips. You use the heat given off from that process to…

A: Given: The mass of the potato chips burned = 2.6 g The amount of water = 26.0 g The initial…

Q: The table lists the specific heat values of several substances. Substance Specific heat (cal/g.°C)…

A: Heat energy is given by q = m * C * ΔT where q = heat energy m = mass of the substance C = specific…

Q: A piece of gold (specific heat of 0.129 J/g oC) at 190 oC is placed in 165 mL of water. The initial…

A: The heat lost by the piece of gold is absorbed by water. The amount of heat absorbed by water can be…

Q: How much heat, in kilojoules is required to heat a 10lb(4544g) bag of ice cubes from –13.0 °C to 0.0…

A: If we consider heating any substance, then if the phase remains same before and after giving heat,…

Q: I know the specific heat of a metal in J/gC. I know how to calculate the specific heat of the same…

A: The average specific heat is calculated by adding the specific heat of each trial and further…

Q: A 15.0 gram lead ball at 25.0°C was heated with 40.5 joules of heat. Given the specific heat of lead…

A: The change in temperature of the lead ball can be calculated by equation (1). where q is the heat…

Q: When is a molecule polar or nonpolar?

A: The term polarity means the presence of separation of charges. Actually, the tendency of an atom…

Q: The specific heat capacity of C is 0.7100 J/g*°C. How many joules of heat are necessary to raise the…

A: The amount of heat required is related to specific heat capacity as,…

Q: If 115 cal are added to 49.2 g of solid iron, what is the change in temperature of the iron? The…

A: The objective of this question is to calculate the change in temperature (ΔT) of the iron when a…

Q: Calculate the heat change when 366 g of mercury (specific heat = 0.139 J/g.°C) cools from 77.0 °C to…

A:

Q: The specific heat of aluminum is 0.9 J/goC. How many joules of heat are needed to raise the…

A: We have,  m = mass of Al = 25 g C = 0.9 J/g C° ∆T = 16°C

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: 2. Propane is the fuel used in outdoor gas grills. The thermochemical eqn for the combustion of…

A: Combustion :- The process of burning a substance in excess of air or oxygen is known as combustion…

Q: How much heat is released when the temperature of an 8.21 g sample of gold decreases from 87.9 oC to…

A: q = mc∆T  q is the amount of heat energy released or absorbed m is the mass of substance  c is the…

Q: What is the specific heat of a solid that requires 124 J to raise the temperature of 95.5 g of the…

A: The given data contains, mass = 95.5 g. heat = 124 J.

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

A: Specific heat (c) = 1.75 cal/g°CMass (m) = 2.43 kg = 2.43×103 g = 2430 gInitial temperature (Ti ) =…

Q: The specific heat of ethylene glycol is 2.43 J/g·K. If x kJ of heat is needed to raise the…

A: Given that: Mass of ethlene glycol(m)  = 35g T1 = 15.2°C T2 = 60.5°C  Specific heat (C) = 2.43 J/g.K…

Q: What is the specific heat of a 72.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given data is  mass of sample = 72.01 g Temperature = 45.2 oC Heat absorbed = 1870 J Formula used…

Q: If we add 30.0 J of heat to 10.0 grams of aluminum, by how much will its temperature increase? The…

A:

Q: 1. What is the specific heat of ethyl alcohol if 129J of heat is required to raise the temperature…

A: Specific heat is defined as the heat required to raise the temperature of one gram of a substance by…

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: sample of water with a mass of 726.2 g undergoes a temperature change from 58.32oC to 40.50 oC. What…

A: Given,  mass, m = 726.2 g Specific heat of water (l), S = 4.184 J/g. oC Temperature changes from T1…

Q: How many kilojoules of heat are required to raise the temperature of 456 g of aluminum from 13.0°C…

A: The solution is as follows :

Q: How much heat (in joules) is used to heat a 68.16 gram sample of iron from 0.130 degrees Celcius to…

A:

Q: In the laboratory a student finds that it takes 37.4 calories to increase the temperature of 14.3…

A: The amount of heat requires to increase the temperature of one gram of compound by 1° is called the…

Q: How much energy is needed to raise the temperature of 325g of water by 10.0 degrees? The specific…

A: Thermodynamics is branch of chemistry in which we deal with heat of reaction.

Q: The specific heat of a metal is 0.143 cal/g-K. Calculate the heat necessary (in J!) to raise the…

A: Step 1: Given that: Specific heat of metal (c) = 0.143 cal/g.K Temperature before heating (T1) =…

Q: How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22 c to 55 c…

A:

Q: How many joules of heat are required to heat 68 g of lead from 20.4 oC to 74.8 oC?

A: Given, Mass of lead = 68g. Initial temperature = 20.40C. Final temperature = 74.80C.

Q: The specific heat capacity of aluminum is 0.214 cal/g °C.. How many calories of heat are necessary…

A:

Q: How much heat, in kJ, would be needed to raise the temperature of 500.0 g of water from 14.5 ºC to a…

A: