Match the equation to the correct property.   q=c*m*ΔT = constant pressure enthalpy ΔH=J/mol = enthalpy of a phase change q=ΔH = heat of a substance (no phase change) ΔT=0 = temperature during phase change

Q: How much heat (in J) is required to warm 1.97 grams of substance G (specific heat capacity 0.850…

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Q: 14.0 g of cream at 12.8 °C are added to an insulated cup containing 150.0 g of coffee at 79.9 °C.…

A: The objective of this question is to calculate the equilibrium temperature of the coffee when cream…

Q: 9.0 g of cream at 18.8 °C are added to an insulated cup containing 100.0 g of coffee at 83.2 °C.…

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Q: Suppose 1 * 10 ^ 2 grams of ice absorbs 1255 J of heat, reaching a final temperature of - 2 deg * C…

A: Given: The mass of ice = 1.0×102 g = m  The amount of heat absorbed by ice = 1255 J = Q The final…

Q: kJ of heat were added? Specific heat 34 J/g°C. 1 calorie = 4.184 J %3D

A: Heat  (q) = 36.5 ×1000 = 36500 J Mass of water = 275 g Heat capacity (s) = 4.184 J/g-°c Heat (q) =…

Q: Four ice cubes at exactly 0°C with a total mass of 51.0 g are combined with 120 g of water at 85 °C…

A: Here we are required to find the final temperature when 4 ice cubes is combined with 120 gm of…

Q: Calculate the amount of heat energy (in joules) released to DROP the temperature of 30.0 g of water…

A: The specific heat of a substance is defined as the amount of heat required for raising the…

Q: 120 grams of ethanol are cooled from 90.0°C to 73.4° C. What is the heat change (in Joules)?…

A: Given data : Mass of ethanol = 120 g Ethanol heat of vaporization  ΔH(vap) = 38.6 kJ/mol = 38600…

Q: A 3.75 g piece of gold initially at 587.15 K is dropped into 20.6 mL of water at 295.75 K. Calculate…

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Q: Specific Heats of Substances Substance Specific Heat (cal/g⋅°C) Brick 0.20 Ethanol 0.58…

A: The concept is based upon specific heat capacity which may be defined as the amount of heat energy…

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: 125 mLmL of H2OH2O is initially at room temperature (22.0∘C∘C). A chilled steel rod at 2.0∘C∘C is…

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Q: How many kJ of heat is needed to raise the temperature of 0.250 L of water in t liquid phase from…

A: Volume of water V = 0.250 LT1 = 24.6 oCT2 = 46.2 oC

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: The following information is given for silicon at 1 atm: To = 2355.00°C Tm 1410.00°C = AH vap…

A: Answer:First of all we will calculate the amount ot heat required to raise the temperature of…

Q: Energy in the amount of 460 J is added to a 25.0 g sample of water at a temperature of 15.0 °C. What…

A: we can use the formula:-Q=m·s·∆TQ=Heat addedm=masss=specific heat∆T=(Tf-Ti)=(Final…

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

A: Mass of substance = 125.0 gm Initial temperature of substance = 2.3 oC

Q: Specific heat of Ag = 0.240 J/g°C, Al = 0.921 J/g°C, Pb = 0.138 J/g°C %3D %3D 1. If a piece of…

A: Specific heat(s) is the heat required for a substance to raise its temperature by 1°C.…

Q: Calculate the heat absorbed when 149 g of liquid ethanol at 25.0°C is converted to gaseous ethanol…

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Q: Determine the enthalpy change when 185 g of water vapor at 121 ° C, undergoes phase changes until it…

A: Number of moles of water vapor = mass/mol.wt. = 185 g/(18.015 g/mol) = 10.2692 mol Given…

Q: Payalben

A: In an organic reaction mechanism, a curved arrow represents the transfer of electrons. In an organic…

Q: Calculate the amount of heat absorbed by 100 g of water that warms from 100 K to 273 K.

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Q: 2. As energy is added to a substance, the temperature remains constant. How may the substance be…

A: When the energy is added to the substance, the kinetic energy of the molecules in creases and they…

Q: Liquid ammonia (boiling point = –33.4°C) can be used as a refrigerant and heat transfer fluid. The…

A: Since in the above heating process, we are crossing the boiling point of ammonia  Hence the heating…

Q: The specific heat capacity of liquid mercury is 0.14 J g¹ K-¹. How many joules of heat are needed to…

A: Specific heat capacity is defined as the amount of heat required to raise the temperature of one…

Q: The following information is given for silicon at 1 atm: Th -2355.00°C Tm =1410.00°C Specific heat…

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Q: 20.0 g of a solid substance X initially at 25.0 °C is heat to its melting point at 65.0 °C. Heat is…

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Q: How much heat is absorbed by liquid water that weighs 550 grams as it is heated from 25C to 95C?

A: Given, mass of water m= 550 g T1=25 ℃  T2=95℃ Cp for water = 4.184 J g-1℃-1 heat q=?

Q: 12.0 g of cream at 23.0 °C are added to an insulated cup containing 100.0 g of coffee at 78.1 °C.…

A: Mass of Cream = 12.0gTemperature of Cream = 23.0 0CMass of coffee = 100.0gTemperature of  coffee  =…

Q: In the above image, you have a solid at less than 0 oC. As you add heat (Q), the temperature of the…

A: Answer : Yes ,  it is possible to have 0 oC water and 0 oC ice . Phase transformation takes place…

Q: What is the total heat flow if 40 grams of steam at 143°C is cooled to become water at 34°C? The…

A: mass = 40g  specific heat of steam is 2.0 J/g • °C   specific heat of water is 4.18 J/g • °C heat of…

Q: Calculate the amount of heat energy (in joules) needed to raise the temperature of 48.0 g of water…

A: q = m × SH × ∆T  q = heat energy  m = mass of water  SH = specific heat of water  ∆T = change in…

Q: Given the following theoretical chemical equation of the gaseous substances D, E, and F, how fast is…

A: Since you are posted with multiple questions. As per the rule, I am answering first question only.…

Q: In an experiment designed to measure the heat of fusion of ice, 25 grams of ice at 0oC is dropped…

A: Given: Mass of hot water = 200 g. Initial temperature of water and calorimeter = 30.0 oC Mass of…

Q: The temperature of 34.7 g H2O changes from 27 °C to 53 °C. What is the heat associated with this…

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Q: Fifty grams of an unknown substance at 115 degrees Celsius is added to 100 gof liquid water at 20…

A: According to the Law of Calorimetry, heat absorbed by any substance is equal to the heat released by…

Q: The specific heat of substance C is 0.93 J/(g K) and that of substance D is 1.8 J/(g K). You are…

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Q: Determine the final temperature of a gold nugget (mass = 376 g) that starts at 398 K and loses 4.85…

A: We can use the formula: Q = m * c * ΔT where Q is the amount of heat lost, m is the mass of the gold…

Q: How

A: We will calculate heat used in conversion of ice into water