The specific heat of ethylene glycol is 2.43 J/g·K. If x kJ of heat is needed to raise the temperature of 35 g of ethylene glycol from 15.2°C to 60.5°C, what is the value of x?

Q: What is the specific heat of a 65.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Weight of unknown metal= 65.5 1g Temperature (∆T)= 45.2°C Absorbed heat=1870 J

Q: If the specific heat of iron is 0.449 Jg°C , how much iron is in your sample if 925 J were required…

A: Given, specific heat capacity of iron (CpIron) = 0.449 J/g°C  Amount energy required (Q) = 925 J…

Q: A 110.0-g sample of a gray-colored, unknown, pure metal was heated to 92.0 oC and put into a…

A: Assuming specific heat of metal is C. Since all the heat released by metal in reaching the final…

Q: 170 mL of 0.25 M HNO3 are mixed with 125 mL of 0.30 M KOH in a calorimeter. If the solutions have an…

A: Volume of HNO3 = 170 mL Molarity of HNO3 = 0.25 M Volume of KOH = 125 mL Molarity of KOH = 0.30 M…

Q: What is the specific heat of a 88.51 g piece of an unknown metal that exhibits a 45.2°C temperature…

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

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: Which sample will reach the lowest final temperature when all samples evolve 12.5 J of heat and all…

A: Since, Q =m.c.St WHERE Q = heat energy M =mass of metal C= specific heat of metal Triangle T =…

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: What is the final temperature when 63.4 g of water at 84.2 ° C is mixed with 38.5 g of water at…

A: Given : Mass of hot water = 63.4 g Mass of cold water = 38.5 g Temperature of hot water = 84.2 oC…

Q: When 0.395 g of sodium metal is added to an excess of hydrochloric acid, 4110 J of heat are…

A: Given: Weight of sodium metal is 0.395 g Heat produced is 4110 J The given reaction is,…

Q: A 59.55 g sample of a substance is initially at 25.6 °C. After absorbing 1881 J of heat, the…

A: Given:             Q = 1881J            Mass (m) = 59.55g = 0.0595Kg Temperature(T1) = 25.6°C = 25.6…

Q: A 10.0 gram lead ball was heated with 55.5 joules of heat to 50.0 oC. Given the specific heat of…

A: A 10.0 gram lead ball was heated with 55.5 joules of heat to 50.0 °C. Given the specific heat of…

Q: What is the final temperature when a 5.0 g sample of brass initially at 25 oC absorbs 75 J of heat?…

A: Equation for finding the heat absorbed by brass is as follows. Q=mc∆TQ=heat absorbed by brassm=mass…

Q: To make the perfect cup (approximately 252.6 mL) of hot chocolate, you are searching for a…

A: The mass of the 252.6 mL of chocolate, having a density of 1.06 g/mL, is;…

Q: A 47.8−g sample of ethylene glycol, a car radiator coolant, loses 600. J of heat. What was the…

A: Given that mass of sample is 47.8 g. The specific heat capacity is 2.42 J/g K . The temperature…

Q: You have set up a calorimeter using 50 mL (50 g) of water. When performing a chemical reaction with…

A: Given: mass of water = 50 g initial temperature , T1 = 25.0°C Final temperature, T2 = 50.0°C  ∆T =…

Q: A generic solid, X, has a molar mass of 61.6 g/mol. In a constant-pressure calorimeter, 18.3 g of X…

A: Heat absorbed/ released by a solution can be calculated by usingthe expression:Q = m.Cp.∆T where, m=…

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: What is the specific heat of a 76.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Consider the given information is as follows; Mass of unknown metal = 76.01 g Temperature change…

Q: A piece of iron is heated to 95 °C and dropped into 150 g of water at 25 °C. When equilibrium is…

A: Given, Let m ass of iron= mi=?

Q: The temperature of a sample of iron increased by 23.7 when 261 J of heat was applied. What is the…

A: Given :- change in temperature "∆T" = 23.7°C amount of heat absorbed "q" = 261 J specific heat for…

Q: When 23.6 g of calcium chloride, was dissolved in water in a constant-pressure calorimeter, the…

A: Given, Mass of CaCl2 = 23.6 g Initial temperature, Ti = 25.0 oC Final temperature, Tf = 38.7 oC Heat…

Q: A 20.33 g sample of a substance is initially at 28.5 °C. After absorbing 2325 J of heat, the…

A: • The values provided in the question are:-  i) Mass of a substance, m = 20.33 g  ii) Initial…

Q: A 47.0 g sample of an alloy is heated to 121.0 °C and dropped into 106 g of water at 20.0 °C. The…

A: The mass of the alloy is .The initial temperature of the alloy is .The mass of water is .The initial…

Q: What is the specific heat capacity (J/g• °C) of a metal object whose temperature increases from…

A: Specific heat capacity is the amount of heat absorbed by 1 gram of a substance to raise its…

Q: What is the heat of a reaction, in joules, with a total reaction mixture volume of 69.0 mL if the…

A:

Q: A 46.78 g sample of a substance is initially at 26.6 °C. After absorbing 2893 J of heat, the…

A:

Q: If the mass of a sample of Mg is 0.500 g and is placed in 100.0 g  of HCl, the heat gained is 546.5…

A: If heat is released then q will be negative and Heat is absorbed then q will be positive. Q= mC∆T…

Q: What is the specific heat of a 75.01 g piece of an unknown metal that exhibits a 45.2°C temperature…

A: Given : Mass of metal = 75.01 g Change in temperature of metal = 45.2 °C And the total heat absorbed…

Q: When 9.85 grams of potassium hydroxide (KOH) are dissolved in 150.0 grams of water at 25.0 °C in an…

A:

Q: When a 7.99-g sample of gaseous hydrogen bromide dissolves in 32.4 g of water in a coffee-cup…

A:

Q: A 51.74 g sample of a substance is initially at 25.6 °C. After absorbing 2939 J of heat, the…

A:

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: What is the final temperature if a 43.6 g piece of iron at 356°C is added to 147 g of water at 25°C?…

A: Interpretation- To determine the final temperature if  43.6 g piece of iron at 356°C is added to 147…

Q: Calculate the specific heat of a 15.0 g material that releases 372 J of heat when the temperature…

A: Given: Mass = 15.0 g Heat energy = 372 J Initial temperature = 85.0 degree Celsius Final temperature…

Q: What is the specific heat of a 42.01 g piece of an unknown metal that exhibits a 45.2 °C temperature…

A:

Q: What is the amount of heat (value of q) when 22.8 g of aluminum is heated from 20.0℃ to 425℃?

A: Given :- mass (m)  = 22.8 g           Initial temperature (T1) = 20.0 oC           Final temperature…