This question pertain to a situation in which you bring 10 g of substance X at 35 °C into contact with 10 g of substance Y at 25 °C. SUBSTANCE X Y T (vaporization) 2250 °C 78.4 °C T (fusion) 29.8 °C –131 °C ΔH° (fusion) +11.4 J/g +98.9 J/g C (solid) 0.37 J/g °C 2.38 J/g °C C (liquid) 0.49 J/g °C 2.64 J/g °C   At the moment when substance X has cooled to 29.8 °C, what is the temperature of substance Y? Express your answer in °C rounded to the nearest whole number

Q: Calculate the amount of heat energy (in joules) needed to rase the temperature of 12.50 g of water…

A: Heat released or absorbed by an object is calculated using law if calorimetry. This law states that,…

Q: The specific heat capacities of iron, silver, and gold are 0.45 J/g °C, 0.24 J/g °C, and 0.13 J/g…

A: Heat capacity of particular metal means amount of heat absorbed by a gram of  particular metal.

Q: A sample of water at 23.9 °C required an input of 2.68 × 104 J of heat to reach its boiling point,…

A: Required heat is calculated by using below formula,

Q: How much heat is transferred from a 4.10 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

A:

Q: How much heat was absorbed (in J) if a 16.4 g sample of an alloy with a specific heat of 0.840 J/g…

A: Using the equation of specific heat capacity:

Q: mass

A:

Q: Naphthalene is the main ingredient in mothballs and gives mothballs their characteristic smell.…

A: Sublimation is the process of changing the phase of a substance directly from solid to gas. The…

Q: Adding 23.1 kJ of heat to 100.0 g of a substance caused a change in temperature from 50 °C to 175…

A: Given, Heat, Q = 23.1 kJ = 23100 J Mass of substance, m = 100.0 g Temperature, T1 = 50oC…

Q: How much heat was absorbed (in J) if a 47.8 g sample of an alloy with a specific heat of 0.504 J/g…

A: Mass of the sample of an alloy = 47.8 g specific heat of the sample =  0.504 J/g °C Change in…

Q: If the specific heat of water is 4.186 J/g °C, how much heat is required to increase the temperature…

A:

Q: How much heat (in J) is evolved or absorbed when a 36.2 g sample of aluminum (specific heat = 0.900…

A: In this question gven data , m=36.2gheat capacity=0.900J/(g K)∆T =T2 -T1T2=87.5°C=273+87.5=360.5KT1…

Q: Which of the following will use the least amount of heat to increase in temperature by 10 °C? I. 2…

A: I. 2 g Zn (c = 0.387 J/g °C) II. 1 g Pb (c = 0.128 J/g °C) III. 2 g Au (c = 0.126 J/g °C) IV. 1 g…

Q: What is the enthalpy change when 21.0 g of water is cooled from 34.0°C to 7.40°C?

A: Formula used  Q = mCdT  where Q = heat energy , m = mass of water C = heat capacity of water, dT =…

Q: A substance is characterized by the thermodynamic data below. Using this, determine the amount of…

A: Given, Mass of substance = 125.0 g Initial temperature of substance = 69.8 oC The amount of heat…

Q: 11.0 g of cream at 16.1 °C are added to an insulated cup containing 100.0 g of coffee at 85.3 °C.…

A: Equilibrium temperature of coffee is approx 78.4 °C

Q: How much heat (in J) is evolved or absorbed when a 35.1 g sample of ethanol (specific heat = 2.46…

A: specific heat capacity is the amount of heat required to raise the temperature of 1 Kg of a…

Q: What is the specific heat of 54.8 g of a substance that releases 445 Joules of heat upon cooling…

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

Q: Calculate the amount of heat required to heat a 3.7 kg gold bar from 25°C to 70°C. The specific heat…

A: For calculation of amount of heat given data is mass of gold = 3.7 kgspecific heat = 0.128 J/ g°C

Q: What is the minimum amount of energy required to heat 145 grams of water to the boiling point of…

A: Mass of water = 145 g Given temperature of water (m) = 87°C The specific heat of water (C) is 4.18…

Q: A 75.1 g. piece of an unknown metal is heated up 45.2 °C when given 2945 J of heat.  What is the…

A: Q=mc∆T Where,  Q= Heat energy m= mass  c= specific heat ∆T= change in temperature Given data: Q=2945…

Q: How much heat is needed to melt 23.8 g of copper that is at an initial temperature of 21.7 °C? The…

A: The heat of a solution can be expressed by the following formula   Q=mCΔT Q=heat m=mass C=heat…

Q: how much energy was lost by the graphite?

A:

Q: You add 50.0 g of ice initially at ‒20.0 °C to 1.00 x 102 mL warm water at 67.0 °C. When all the ice…

A: Answer: Given that

Q: How much heat (kJ) is absorbed by 948.0 g of water in order for the temperature to increase from…

A:

Q: How many joules of heat are absorbed then 35.7 grams of steam is heated from 115°C to 136 °C, the…

A: Given the amount of steam =35.7 graminitial temperature =115 °Cfinal temperature =136 °Cspecific…

Q: If 9000.0J of heat are absorbed by 800.0 g of water at 5.0 degree C, what will be its final…

A: Given,  If 9000.0J of heat are absorbed by 800.0 g of water at 5.0  °C, the final temperature of…

Q: The specific heat capacity of liquid mercury is 0.14 J/g°C. How many joules of heat are needed to…

A: Option B is correct. ( 40J )

Q: What quantity of heat (in kJ) will be absorbed by a 50.3 g piece of aluminum (specific heat = 0. as…

A: The formula to calculate the heat absorbed or released by a substance when it changes temperature is…

Q: A sample of water at 15.6 °C required an input of 2.55 × 104 J of heat to reach its boiling point,…

A: We know that  q = m × C × (Tfinal - Tinitial ) Where q = heat input m = mass of reactant, water C =…

Q: A cube of some frozen substance whose mass is 0.062 kg is taken from a freezer, where its…

A: This question is related to thermodynamics.  Where heat flow takes place. Using the required…

Q: What mass of water

A:

Q: An aluminum sample of 50 g has a normal temperature of 20 °C. If it gets hotter to 150°C by…

A: In this question, we will determine the specific heat capacity of Al.  The given values is mass of…

Q: How much heat is transferred from a 4.00 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

A: Given : Mass of water = 5 Kg = 5000 g…

Q: 60.0 g of ice at 0 °C is dropped in 140 g of water at 80 °C. Calculate the final temperature in °C…

A: Suppose the final temperature of the thermal equilibrium state after mixing is T oC. So T oC is the…

Q: A 15.7 g sample of unknown metal gave off 258.108 J of heat as its temperature decreased from 92.5°C…

A:

Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 288 K and loses 4.85…

A: Specific Heat Capacity of gold is =0.128 J/gc Initial temperature = T1 = 288K…

Q: A sample of lead is heated and placed in a 151.0 g container of water at 22.0 oC.  The final…

A: The heat released by the sample of lead is equal to the heat required to raise the temperature of…

Q: 1. Complete the following chart: Amount of heat absorbed or released in J. 975 J 1200 J Mass of…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: How much heat is released when 40.0 g of ethanol cools from −120 °C to −136 °C?    640 J  580 J…

A: The amount of heat added or released to a substance (Q) can be calculated from the relation: Q =…