What would be the equilibrium temperature if you drop 5.0 g of brass (Cp = 0.38 J/g-°C, initially at 68°C) and 3.5 g of aluminum (Cp = 0.9 J/g-°C initially at 83°C) into 105 g of water (Cp = 4.184 J/g-°C, initially at 23°C)?

Q: 2) (Tinoco 6.12) One of the important factors responsible for geologic evolution is the pres- sure…

A: The change in pressure can be determined by the Clayperon equation. It gives the relation between…

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

A: given data is moles of the sample is 0.700 moles  volume is 150.0ml solution temperature is…

Q: (b) normal boiling point of ethyl alcohol i °C (c) boiling point of ethyl ether at 0.50 atm i °C

A: The given graph is illustration of vapor pressure of different liquids against the temperature. The…

Q: When the following substances, all at 400 K are placed in 2.0 L of water at 300 K, which will cause…

A: The formula which is used to calculate heat released is, q = m C ∆T where, m = mass, C = specific…

Q: At 20.0 °C, the vapor pressure of ethanol is 5.95 kPa, and at 63.5 °C, its vapor pressure is 53.3…

A: The enthalpy of vaporization is basically defined as the amount of energy required by a liquid to…

Q: The following information is given for manganese at latm: boiling point 2095 °C AHap(2095 °C) = 225…

A: Molar mass of Manganese= 54.94g/mol  Fusion is the process in which solid is converted into liquid.…

Q: If 27.5 g of MgCl₂ are dissolved 500.0 g of water at 20.0 °C in an insulated container, a…

A: Given that, The mass of the MgCl2 is 27.5 g. The mass of the water is 500.0 g. So, the total mass of…

Q: Indicate whether each statement is true or false An isothermal process is one in which the system…

A: The process in which the temperature of the system remains constant in called an isothermal process.…

Q: Ethanol melts at -114 C and boils at 78 C at a constant pressure of 1 atm. What state of matter must…

A: We have given that  Ethanol melts at -114°C and boils at 78 °C at a constant pressure of 1 atm. What…

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

A:

Q: The following information is given for copper at latm: boiling point = 2567 °C AHvap lvap(2567 °C)%…

A: Given that : At 1 atm pressure, the information about copper is given below : Given mass of copper…

Q: Water has a heat of fusion (ΔHfus) of 6.01 kJ/mol. What is the change in energy of 5.0 g of water…

A: Heat of fusion.

Q: A generic solid, X, has a molar mass of 64.4 g/mol. In a constant-pressure calorimeter, 30.1 g of X…

A: Given that : The molar mass of solid X=64.4 g/molThe mass of X used=30.1 gMass of water used=329…

Q: The following information is given for cadmium at 1atm: boiling point = 765 °C Hvap(765 °C) = 100…

A: Mass of Cd = 48.1 g  Molar mass(MM)  of Cd =122 g/mol  Moles(n) = mass/MM       = 48.1/112.4    =…

Q: When solid KCl dissolves in water K + cations and Cl - anions leave the solid crystal and are…

A:

Q: 1. How much heat (in kJ) will be absorbed by a 28.3 g piece of aluminum (specific heat = 0.930…

A: Hello, since your question has multiple parts, we will solve the first question for you. If you want…

Q: The following information is given for silver at 1atm: boiling point = 2212 °C Hvap(2212 °C) = 254…

A: Mass of Ag = 26.9 g  Molar mass(MM) of Ag = 108 g/mol  Moles of Ag = mass/MM        = 26.9/108…

Q: The following information is given for copper at latm: AHvap(2567 °C) = 305 kJ/mol AHfus(1083 °C) =…

A: Since the freezing is done at the normal melting point i.e is at a constant temperature of 1083 0C…

Q: 3. (a) The Lattice enthalpy for the solid ionic compound AgBr is +900. kJ/mole.     Write the…

A:

Q: 1 At what point do a solid and gas exist at equilibrium? A Boiling point B Melting point C…

A:

Q: At 20.0 °C, the vapor pressure of ethanol is 5.95 kPa, and at 63.5 °C, its vapor pressure is 53.3…

A:

Q: The essential oil found in cloves, eugenol, can be isolated by steam distillation because it is…

A:

Q: If 94.0 g of ice (ΔHfus = 6.02 kJ/mol, at exactly 0°C) is added to a 240.-mL glass of room…

A: Total heat consumed by ice to melt is calculated as shown below where Qw is the total heat, ΔHfus is…

Q: ∆Sfus for Hg at its melting point (-39ºC) and 1 atm is (∆Hfus of Hg = 23 kJ/mol)   a. -0.59 j/k b.…

A: For a reversible process the entropy related to melting will be,ΔSfus = qrevT  also this can be…

Q: In a coffee-cup calorimeter, 23.8 g sample of solid KBr is dissolved in 100.0 g of water at 15.0 °C.…

A: Given mass of water = 100 g Mass of KBr = 23.8 g Molar mass of KBr = 119 g/mol specific heat (C) =…

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When…

A:

Q: The vapor pressure of benzene is 224 mmHg at 45 °C and 648 mmHg at 75 °C. (a) Find the enthalpy of…

A:

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Since in the above process, 1) we are cooling gas at 101 °C to 100 °C  2) condensing the gas at 100…

Q: The following information is given for copper at 1atm: AHvap(2567 °C) kJ/mol 305 boiling point 2567…

A:

Q: The normal freezing point of ammonia is -78°C. Predict the signs of aH, aS, and AG for ammonia when…

A: Freezing point The temperature at which a liquid freezes is called the freezing point. At this…

Q: When 5.6 grams of KOH solid is added to 100 grams of water at 30 ° C and completely dissolved, the…

A: Given,  Mass of KOH= 5.6 grams Mass of water = 100 grams Initial temperature of water= 30 °C Final…

Q: Calculate the energy change (with the correct sign) when the temperature of 100.0 ml of liquid water…

A: Density of water is 1.00 g/mL Mass of solution is calculated as follows,

Q: melting point

A:

Q: 3. (a) The Lattice enthalpy for the solid ionic compound AgBr is +900. kJ/mole. Write the chemical…

A: Enthalpy of lattice refers to the quantity of energy needed to convert 1 mole of ionic solid to…

Q: 18. What is the final temperature (in °C) of 750.1 g of water (specific heat = 4.18 J/g･°C) at…

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

Q: 68. The vapor pressure of butyl alcohol (C,H,OH) at 70.1°C is 0.1316 atm; at 100.8°C, it is 0.5263…

A: Given that, T1=70.1oC T1=70.1 +273 T1=343.1 K T2=100.8oC T2=100.8 +273 T2=378.8 K P1=0.1316 atm…

Q: match the following    0.110 m CoI2      A. Highest boiling point     0.180 m NaCH3COO   B. Second…

A:

Q: The following information is given for silver at 1atm: boiling point = 2212 °C Hvap(2212 °C) = 254…

A: The normal melting point of the silver is 961 °C. The molar heat of fusion of silver is 12.0 kJ. The…

Q: At 100 ° C, 1 mol of liquid water takes 19400 calories and under one atmosphere pressure, the same…

A: Change in internal energy is zero if temperature is constant because, internal energy is a function…

Q: Carbon tetrachloride, CCl 4 , once used as a dry cleaning solvent, but is no longer used because it…

A: Given: Temperature (T1) = 57.8 oC = 330.95 K Vapor pressure  (P1) = 54.0 kPa = 0.533 atm Enthalpy of…

Q: A flask contains 250.0 g water at 20.00 °C. If you add 5.000 g ice to the flask and let the solution…

A: At thermodynamical equilibrium, the heat lost by the 250.0 of liquid water is equal to the heat…

Q: How is the AHtusion used to calculate the energy released when a volume of liquid freezes? A. Liters…

A: Soln option B is correct

Q: Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When…

A: Consider the given information is as follows; Volume of water = 200.0 mL Density of water = 1.00…

Q: What is Δq for the vaporization of 50.0 g of Compound A (76.03 g/mol;  ΔHvap is 31.6 kJ/mol)?

A: Heat of vapourisation is the enthalpy change when one mole of a substance is vapourised.

Q: The following information is given for manganese at 1atm: boiling point = 2095 °C Hvap(2095 °C) =…

A:

Q: Substance A is a nonpolar liquid and has only dispersion forces among its constituent particles.…

A: (a) The two substances mix with each other and form a solution because they both are non-polar and…

Q: Is entropy increased or decreased in boiling water?

A: Boiling of water is a process in which the liquid water molecules is given more energy to convert…

Q: You have 500 g of dry ice at a temperature of 50 K. How much energy would it take to produce carbon…

A: Given: Mass of dry ice                            = 500 g,             Initial temperature        =…

Q: Naphthalene undergoes sublimation: C10H3(s)C10Halg). In a closed container at 800.0 K, the…

A: Kp = 0.70torr

Q: point of isooctane, a gasoline component, as 99.2ºC and its enthalpy of vaporization as 35.76 kJ…

A: Enthalpy of vapourisation = 35760 J/mol  R = 8.314 J/Kmol  T1 = 99.2°C = 99.2+273 = 372.2 K  P1= 1…