Mercury was once used in thermometers and barometers. When 69.7 J of heat are absorbed by 100.0 g of mercury at 25.00ºC, the temperature increases to 29.98ºC. What is the specific heat of mercury?

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: A gas is compressed from an initial volume of 5.75 L to a final volume of 1.24 L by an external…

A: Dear Student, You have not posted, what you want us to calculate. But, assuming that the question is…

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: In the laboratory a student finds that it takes 230 Joules to increase the temperature of 13.9 grams…

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: For the following thermochemical equation, CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)        ΔH = –890 kJ…

A: Given reaction: CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l). ∆H = -890 kJ. So, 890 kJ of heat is released…

Q: In the laboratory a student finds that it takes 75.4 Joules to increase the temperature of 13.3…

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

Q: A chunck of lead at 91.7 degrees celcius was added to 200.0 g of water at 15.5 celcius. the specific…

A: Given:Specific heat of water = 4.18 J/goCspecific heat of lead = 0.129 J/goCInitial Temperature of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.85 kg sample…

A: Given: Mass of sample = 0.85 Kg = 850 g                              (Since 1 Kg = 1000 g) Initial…

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

A:

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 0.88g gummy bear is burned in a bomb calorimeter. The temperature started at 21.5 degrees Celcius…

A:

Q: 24.0 g of metal at 78.3°C is cooled to 12.4°C and produces 194 J of heat. What is the specific heat…

A: Mass of substance M = 24.0 g  Initial temperature = 78.3 °C  Final temperature = 12.4°C  Heat…

Q: What is the mass of an aluminum sample in grams (specific heat = 0.901 J/gºC) if addition of 2.27 kJ…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 267.0 g sample…

A: Mass of substance = m = 267.0 g Change in Temperature( ΔT)  = 7.3 - (-5.2) = 12.5 °C = 285.5 K Heat…

Q: A 124.5 g sample of an unknown metal absorbs 1276.25 J of heat, upon which the temperature of the…

A: Given: The mass of the metal sample = 124.5 g The amount of heat absorbed by the metal = 1276.25 J…

Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: In the lab, an experimenter mixes 75.0 g of water (initially at 30 o C) with 83.8 g of a solid metal…

A: To determine the specific heat capacity of any particular metallic substance, calculate the energy…

Q: When 4.3 kJ of heat are added to an unknown quantity of water, the temperature rises from 34oC to…

A: 4.3 KJ of heat is added to an unknown quantity of water and the temperature of water rises from…

Q: Given the following: Reduction Concentration: 0.1 M of lodine and Oxidation Concentration of 0.05…

A: According to our policy, we should solve one question (If any subparts are present then the first…

Q: Suppose that a 18.96 g sample of some liquid at 74.72 degrees celsius was cooled by the removal of…

A: Given: Mass of liquid=18.96 g Let the final temperature be "T" Temperature change, ∆T=(T-74.72)°C…

Q: A 52.7 g. piece of an unknown metal is heated up 51.4 °C when given 3492 J of heat.  What is the…

A: Formula : Heat, q = msΔT     3492 = 52.7 x s x 51.4   s = 1.289 J g-1 °C-1 Here s is specific heat…

Q: A block of metal weighing 57.58 g is cooled from 100.0°C to 42.16°C with the release of 544.08…

A: Given, Mass of metal (mmetal) = 57.58 g Initial temperature (Ti) = 100°C Final temperature (Tf) =…

Q: An unknown solid substance weighs 227.0 g, and requires 3460 J to increase its temperature from…

A:

Q: what is the amount of internal energy (in joules) for a system that has performed 1478.714 J of work…

A: The internal energy of a system can be changed in two ways: (i) By allowing heat to flow into the…

Q: In the laboratory a student finds that it takes 764 Joules to increase the temperature of 10.3 grams…

A: Given;

Q: What is the specific heat capacity of a metal of 55.00 g of the metal absorbs 47.3 J of heat and the…

A: Heat = mass× specific heat capacity × change in temperature Formula applied

Q: You performed the displayed reaction in the lab and determined that 336.74 J of heat was released.…

A: The given chemical reaction that has been carried out is given by: NCl3(g) + 3H2 (g) ——> NH3 (g)…

Q: 2. What is the specific heat of Silicon if the temperature of a 41.1 g sample is increased by 34.1°C…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

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 48.0g piece of metal is in boiling water and has an initial temperature of 100oC. The metal is…

A: Given: Mass of metal=48.0 g Temperature change, ∆T=(30.9-100.)°C=-69.1 °C The heat released q =-2380…

Q: 50.0 grams of metal is heated to 100.0 C and then placed into a calorimeter containing 150 g of…

A: The specific heat capacity of the substance is the amount of heat energy required to raise the…

Q: 5. If 769J of heat is absorbed when 50g of iodine is heated from 70°C to 95°C, then what is the…

A:

Q: Calculate the energy required to heat 1.50 kg of cyclohexane from 12.7 °C to 34.7 °C. Assume the…

A: Given:m = 1.50 kg = 1500 gΔT = 34.7o C - 12.7o C = (34.7 + 273.15) - (12.7 + 273.15 ) = 307.85 K -…

Q: When one mole of C6H6C6H6 is burned, 3.27 MJ3.27 MJ of heat is produced. When the heat from burning…

A: The number of moles of C6H6 is 1 mol. The heat released is 3.27 MJ. The weight of C6H6 is 7.87 g.…

Q: What is the specific heat of lead if it takes 97.8 JJ to raise the temperature of a 75.1 g block by…

A:

Q: What is the specific heat capacity of a piece of wood if 3500. g of the wood absorbs 47,550. joules…

A: From the formula of specific heat capacity we have solved this problem.

Q: In the laboratory a student finds that it takes 71.6 Joules to increase the temperature of 11.6…

A:

Q: A 19.85 g sample of an unknown substance is heated from 25°C to 125°C using 1750 J of heat. What is…

A: The specific heat required to raise the temperature of a substance is given as:

Q: A metal cylinder has a mass of 100.00 g is heated to 95.50 Degrees Celsius and then put in 245.5 g…

A:

Q: What is the mass of an iron piece that cools from 57.8 °C to 26.4°C while releasing 7160.2 J of…

A: The working formula for this problem would be, q = m x Cp x dTwhere q is the total heat, m is the…

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: The specific heat of a certain type of metal 0.128 J/(g⋅∘C). What is the final temperature if 305 J…

A: Specific heat capacity is defined as the quantity of heat absorbed by 1 g of substance to raise the…

Q: What is the mass of an iron piece that cools from 50.2 °C to 27.8°C while releasing 351.7 J of heat?…

A:

Q: A 135 g sample of metal requires 2.50 kJ to change its temperature from 19.5 oC to 100.0 oC. What is…

A: Given,Mass of the metal, m = 135 gHeat required, q =2.50 kJ = 2500 J    (1 kJ = 1000 J)Initial…