How many joules are required to heat 75 grams of water from -85 ˚C to 185˚C?  - use the following formula: q= m SΔT q = m ΔHfus q = m ΔHvap   Wherein: Specific Heat of Selected Substances water (liquid) = 4.184  water (steam) = 2.013 water (ice) = 2.092 Heat of Fusion of Selected Substances Water = 334 Heat of Vaporization of Selected Substances Water = 2,260

Q: A gas expands and does P-V work on the surroundings equal to 294 J. At the same time, it absorbs 246…

A: The first law of thermodynamics states that the change in internal energy of a system equals the net…

Q: In an experiment, 25.00 g of iron is heated to 228.00°C and then quickly transferred to 100,0 g of…

A: Given: Mass of iron = 25.00 g. Mass of water = 100.0 g. Initial temperature of iron = 228.00 oC…

Q: What is the specific heat in J/g°C for a metal sample with a mass of 95.6 g which absorbs 841 J of…

A: Heat, q = mass x specific heat x change in temperature.

Q: 19, Consider the following information about the combustion of octane (CaHis), the principle…

A: Given,Mass of octane = 1.14 g+ 1000 g =1001.14 gSpecific heat of water = 4.184 J/go CΔH = -1080 kJ

Q: A 48.4-g sample of an unknown metal at 100.0 °C is placed in a constant-pressure calorimeter…

A:

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: Once the graphite is transferred to the water the energy will release from graphite and it will…

Q: A 1.00 g piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

A:

Q: You wish to heat water to make coffee. How much heat (in joules) must be used to raise the…

A: We have to apply formula Q=mc∆T Here Q is the heat needed to raise temperature c is specific heat m…

Q: rial typically used to heat metal radiators is water. If a 5°C, what mass of water was needed to…

A: Given data set: Specific heat of water = 4.184 J/g C Change in Temperature = 79.5 °C We need to…

Q: Assume that it is possible to heat water with perfect insulation (all the heat from combustion of…

A:

Q: An experiment was conducted to determine the specific heat of platinum.  It was determined that…

A: Heat required to raise the temperature = 158.8 Joules. Mass of a sample = 50.0 g  Initial…

Q: Given the table of specific heat values below, what is the identity of a 91.9 g metal sample that…

A: We know that from Thermodynamic Equation

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The heat transferred by a substance is determined as the equation:

Q: A 76 ml solution of a dilute AGNO3 solution is added to 91 mL of a base solution in a coffee-cup…

A:

Q: A 109.9 g sample of beryllium experiences a temperature change of -71.48 °C while releasing 1. 242…

A: Note: As per the guidelines solution of first questions has been made. For the expert solution of…

Q: A  296.0 g piece of granite, heated to  601.0°C in a campfire, is dropped into  1.15 L water (d =…

A: Mass of granite piece=296.0 g  The volume of water=1.15 L=1150 mL The density of water, d = 1.00…

Q: 3,000 J of heat is added to a system and 2,500 J of work is done by the system. What is the change…

A: Given: The heat added to the system is 3000 J. The work done by system is 2500 J. Introduction:…

Q: which material (aluminum , copper , lead) increase the temperature of water by the greatest amount…

A:

Q: When a 7.94-g sample of solid potassium chlorate dissolves in 46.3 g of water in a coffee-cup…

A: Mass of sample = 7.94 g  Mass of water = 46.3 g Initial temperature = 23.00 °C Final temperature =…

Q: Four different substance each have identical masses. The specific heat capacities of these four…

A: The quantity of heat required to alter the temperature of a unit mass of a substance by one degree…

Q: What is the specific heat in J/g°C for a metal sample with a mass of 78.9 g which absorbs 753 J of…

A:

Q: What can the chemist report for the specific heat capacity of the substance?

A:

Q: Calculate the heat capacity (in J/C) of 20.0 mL of room temp. water given that the specific heat…

A: Heat capacity of a material for a particular mass = Specific heat capacity  mass of the material

Q: spe capacity of a metal. A piece of hot metal is dropped onto a weighed quantity of ice. The energy…

A:

Q: Unit 10 Q#17 When a 25.0 g sample of ethyl alcohol is burned, how much energy is released as heat?…

A: Given: Mass of Ethyl alcohol = 25 g ∆Hrxn = -1.37 × 103 KJ/mol That means on burning 1 mole of…

Q: In an experiment, 28.0 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

A:

Q: A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change in…

A: According to first law of thermodynamics, ∆U = ∆Q - ∆W

Q: 3. A sample of aluminum with a mass of 53.4 g is initially at 156 ° C. What is the temperature of…

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

Q: What mass of natural gas (CH4) must you burn to emit 267kJ of heat? CH4(g)+2O2(g)=CO2(g)+2H20(g)…

A: Number of moles of methane reacted can be calculated as follows,

Q: "Use the following data to calculate the specific heat of the metal unknown. M(metal) = 35.0 g,…

A: The initial temperature of the water is higher than the initial temperature of the metal. Hence the…

Q: How many grams of lead can be heated from 25°C to 100°C with 86.5kJ of energy? * Specific heat…

A:

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C･g) at 200.0°C is dropped into…

A: Given: Specific heat capacity of platinum     = 0.1256 J/ oC.g Temperature of platinum…

Q: Part A The specific heat capacity of sold copper metal is 0.385 JigK. How many joules of heat are…

A: Given, specific Heat of solid copper metal  = 0.385 J/gK Mass of block = 1.55 Kg = 1550 g  Initial…

Q: 4. Calculate q when 12.0 g of water is heated from 20 °C to 100 °C (specific heat of water 4.18…

A: q = m C ∆T q = heat lost / gain m = mass of substance C = specific heat capacity ∆ T = final…

Q: Assume

A: Given: Fluid = Water m =  180 g T1 = 30 deg C T2 = 97 deg C Cp = 4.184 J/g-deg C

Q: A bucket full of water increased in temperature from 25.0 oC to 27.28 oC after absorbing 1,982.32…

A:

Q: Limestone, CaCO3, when subjected to a temperature of 900°C in a kiln, decomposes to calcium oxide…

A: The decomposition reaction of limestone CaCO3 is as follows:   CaCO3(s) → CaO(s) + CO2(g) The…

Q: A cup contains 195 g195 g of coffee at 99.3 °C99.3 °C. Suppose 63.4 g63.4 g of ice is added to the…

A: Given data mass of coffee = 195 g initial temperature of coffee = 99.3 oC mass of ice added = 63.4 g…

Q: A gas expands and does work on the surroundings equal to 3.55 L atm. At the same time, it releases…

A: Energy is calculated as follows

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C･g) at 200.0°C is dropped into…

A: First determine the mass of heavy water. Mass of heavy…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The net heat absorbed by water will be equal to the heat released by coffee. Determination of heat…

Q: A gas expands and does work on the surroundings equal to 1.95 L atm. At the same time, it releases…

A:

Q: How much energy is required to increase the temperature of 175 mL of water from 18.5 ° C to 85.0 °…

A:

Q: An experiment was conducted to determine the specific heat of platinum.  It was determined that…

A: We have to calculate the specific heat (J/g°C) of platinum.

Q: A piece of molybdenum metal whose mass is 6.87 g is heated to 100.0 °C and then dropped into an ice…

A: The molar heat capacity is the amount of heat required to increase the temperature of one gram…

Q: To determine whether a shiny gold-colored rock is actually gold, a chemistry student decides to…

A: Answer Part-B:- Mass (m) = 4.7 g Initial T1  = 25 °C = 298 K final T2 = 57 °C = 330 K From the…

Q: If a system is given 60 J of heat and lifts the lid of the container 3 m with a force of 5 N, what…

A: Applying first law of thermodynamics and work done by system  ∆U = Q-w  &  W= F×r

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C･g) at 200.0°C is dropped into…

A: Solution- for the hreat trasfer process- heat lost by hot platinum = heat gained by deuterium…

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: Since whatever heat is lost by graphite, is used by the water and calorimeter. Hence heat lost by…

Q: 7.) Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: • Given,   C(diamond) + O2(g) → CO2(g),    H° = -395.4 KJ   — (i)   2CO2(g) → 2CO(g) + O2(g),…