Please check my math: How much energy (heat) in Joules is absorbed when  5g sample copper (specific heat = 0.39J/oC) is heated from 25oC to 50oC? (Round to the nearest whole #. Enter only numerical value, no units) q=(5g)(0.39J/oC)(50-25) q=48.75J q=49J

Q: How much heat in kJ, does it take to heat a 5 kg block of iron (specific heat capacity = 0.449 J/g…

A:

Q: A certain chemical reactions 37.4 kJ/g of heat for each gram of reactant consumed. How can you…

A: The objective of the question is to calculate the heat produced by the consumption of 1.7 kg of…

Q: orites here, select = then , and drag to the Favorltes Bal T0 How much will the temperature (in °C)…

A: For any specific compound that possesses a quantity of 1.0 gram, the heat energy (q) essential for…

Q: It takes 49.0 J to raise the temperature of an 10.2 g piece of unknown metal from 13.0°C to 24.0 °C.…

A:

Q: How much heat in kJ, does it take to heat up 2 kg block of copper (specific heat capacity= 0.385 J/g…

A: Specific heat, q = c*m*∆T C is specific heat capacity m is mass of substance ∆T is change in…

Q: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

A:

Q: What was the initial temperature (in oC) of a 38.13 g sample of aluminum (specific heat = 0.900 J/(g…

A: Given :-  Mass of substance = 38.13 g  Specific heat = 0.900 J/g.K  Heat  = -1.077 kJ  Final…

Q: 750g of water is heated in a coffee cup calorimeter from 25ºC to 55ºC. Calculate the amount of heat…

A:

Q: Metal A has a heat capacity of 0.450 J/g°C while metal B has a heat capacity of 1.250 J/g° C. If…

A:

Q: The initial temperature of a 326 g sample of iron is 26.1 °C. If the sample absorbs 3.43 kJ of…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…

Q: QUESTION 23 What is the specific heat (cal/g°C) of a metal if 150.0 grams of a metal at 100.00°C is…

A: Given data : Mass of metal(m1) = 150 gms Temperature of metal(T1) = 100°C Mass of water(m2) = 25 gms…

Q: vorites here, select = then , and drag o the Favorites bar A 70.3 g piece of metal at 88.0°C is…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: When 1 mol of methane is burned at constant pressure, -890 kJ/mol of energy is released as eat. If a…

A: Mole is equal to weight of substance divide by it's molar mass

Q: The process of applying heat to water until (100 ) C called * Backing Roasting Frying Boiling O O O

A:

Q: 0.26g CH4 are burned and all the heat added to a silver cup with 90g H2O(l) inside. If the water was…

A: The combustion reaction of CH4 is => CH4 + 2 O2 --------> CO2 + 2 H2O Since the ΔH of reaction…

Q: b) If that heat came from cooling a 1.361 kg lump of iron, what was the initial temperature of the…

A:

Q: Select the single best answer. Consider the following data: Metal Al Cu Mass (g) 30 10 Specific heat…

A:

Q: A 100.7 g piece of copper (specific heat 0.38 J/g･°C) is heated and then placed into 400.0 g of…

A: Data given, The mass of copper, mCu = 100.7 g specific heat of copper, CCu = 0.38 J/g･°C The mass of…

Q: A 0.2 gram sample of a candy bar is com- busted in a bomb calorimeter, increasing the temperature of…

A: Given :  Initial temperature of water = 25.00 °C  Final temperature of water = 25.47 °C  Mass of…

Q: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

A:

Q: 750g of water is heated in a coffee cup calorimeter from 25ºC to 55ºC. Calculate the amount of heat…

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

Q: 3 .A 50.0 g piece of copper at 100oC is put into an insulated vessel containing 250 mL of water at…

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

Q: Calculate the grams of propane (C3H3) required to release – 322.72 kJ heat. Propane burns according…

A: Combustion reaction of  propane  C3H8 + 5O2 ......> 3CO2 + 4H2O  dH = -2043 KJ  Given reaction is…

Q: A 67.3 g piece of iron at 525°C is put into 614 grams of water at 15.0°C. What is the final…

A:

Q: The enthalpy of combustion of benzoic acid is -26.4 kJ/g. What is the enthalpy of combustion…

A: In a combustion reaction of an organic compound, it reacts with oxygen to form carbon dioxide and…

Q: 0.26g CH4 are burned and all the heat added to a silver cup with 90g H2O(l) inside. If the water was…

A: The heat Q evolve in the combustion reaction is calculated as shown below.

Q: A 50.5 gram sample of solid water is convert to liquid water by heating from -15.0 °C to 47.0 °C.…

A: The mass of the water sample is = 50.5 gThe initial temperature of the water is = -15.0oCThe final…

Q: A 0.445 kg sample of an unknown metal loses 9.2 kJ of heat. If the change in its temperature was…

A: Given data is as follows: The mass of the unknown metal = 0.445 kg = 445 g The heat loses by metal =…

Q: When methanol, CH,OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

A: Enthalpy of reaction = - 764 kJ/mol Energy required = 729 kJ We need to find mass of methanol to be…

Q: 16.6 g sample of water initially at -16.6°C is heated to 117.9°C. How much energy (in kJ) is needed…

A:

Q: When 1690.0 joules of energy is added to a 140.0 gram piece of unknown substance, the temperature of…

A: When heat energy is given to a system its temperature increases. This is expressed as : Heat added =…

Q: Please correct answer and don't use hand rating

A: Step 1: Part AThe energy needed to keep a 75-watt lightbulb burning for 1.0 h is 270 KJ. Hence the…

Q: The same amount of heat which will change the temperature of 50.0g of water by 4.5ºC will raise the…

A: As it is given that same amount of heat which is required . So first we would calculate the heat…

Q: A piece of iron, with a mass of 35 g and a specific heat of 0.451 J/g (°C), is heated and then…

A: Given,

Q: Volume of Water= 100mL Initial Temperature of water=21 C degrees Mass of Metal=2.4 grams Final…

A: Given : Volume of Water= 100mL Initial Temperature of water=21 C degrees Mass of Metal=2.4 grams…

Q: An unknown mass of gold at 12.0°C absorbs 9.11 J of energy.  The final temperature of the cold is…

A: We know Q=ms∆T Q= heat m=mass of substance ∆T=change in temperature ∆T=T2-T1 s=specific heat capay

Q: How much heat, in kJ, does it take to heat a 2 kg block of copper (specific heat capacity = 0.385…

A:

Q: The following information is given for aluminum at latm: AHvap (2467.00°C) = 1.053 x 10 AHfus…

A: Given: For aluminum at 1 atm, Tb = 2467.00 °CTm = 660.00 °C∆Hvap 2467.00 °C = 1.053×104 J/g∆Hfus…

Q: 0.557 grams of a particular gunpowder will propel a 40-caliber bullet with 526 ft lbs of energy when…

A: The capacity of doing the work is called energy. Kinetic energy and potential energy are two types…

Q: Propane, C3H8 (approximate molar mass = 44 g/mol) is used in gas barbeques and burns according to…

A: Given: Combustion reaction of propane (C3H8) as follows: C3H8 (g) + 5 O2 (g) → 3CO2 (g) + 4H2O (g)…

Q: A 50 g piece of metal at 100°C is placed in 50 g of water at 25°C. The final highest temperature…

A: So the provided second equation is our answer.Also we have calculated the heat capacity here.

Q: A cube of gold has a weighs of 14.3 g. Which one of the following formulas you will use to calculate…

A: Given data:  Mass of gold cube, m = 14.3g Initial temperature T1 = 230C Final temperature T2 = 3000C…