Consider the Sublimation of dry ice (solid carbon dioxide). The value of deltaHsub for CO2 is 25.2kj/mol 1) write the balanced chemical equation for the sublimation of CO2 2) Is this reaction "breaking bonds" (intramolecular) or "breaking intermolecular forces" (intermolecular)? What's the difference between the two?

Q: The image below represents a gaseous equilibrium system for two reactive gases, R and P. The spheres…

A: Given that, an equilibrium reaction system of R → P is shown below Also, given that, the enthalpy…

Q: 6. If you added a 10 gram metal piece at 100 °C to 100 mL of water at 0 °C or at 20°C, which…

A: According to heat transfer (Calometry) principle- heat is transferred from the body of higher…

Q: Substance Specific Heat, c (J/gx°C) Water 4.184 Granite 0.803 Mercury 0.140 Silver 0.235 Aluminum…

A: Using the relation Q = mCΔT we can find amount of heat released.

Q: 11.01 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: Specific heat - The quantity of heat that required to raise the temperature of unit mass of…

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

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: enthalpy of fusion (melting) of ice is +6.01 kJ/mol at 0.00°C. What is the energy change when 49.0 g…

A: Given, Mass of ice = 49.0 g Molar mass of Ice = 18 g Moles of ice =mass/molar mass      = 49.0/18 =…

Q: Find ΔE, ΔH, q, and w for the change in state of 1.0 mol H2O(l ) at 80 °C to H2O( g) at 110 °C. The…

A:

Q: Why does the temperature of a substance not change when the phase changes? 1.) The energy is going…

A: Phase change is a process in which the phase of any substance changes from one phase to another. For…

Q: A 23.2 g piece of metal (C = 0.455 J/g oC) initially at 14.2 oC is placed in 35.2 g of water…

A:

Q: How much heat is required to vaporize 100.0 g of ethanol

A: Number of moles = mass ÷ molar mass  Molar mass of ethanol is 46.07 g/mol

Q: 03 Multiple Choice Which of the following is a quantitative measure of disorder?

A: The entropy  is a measure of the amount of energy which is unavailable to do work. It also suggests…

Q: Consider the vaporization process for carbon disulfide: CS₂ (1) →→→→CS₂(g) The boiling point of CS₂…

A: Given the vaporization process for carbon disulfide:    CS2(l)CS2(g) Boiling point of CS2  = 315.7…

Q: 34. The enthalpy of vaporization for N2(1) is 5.56 kJ/mol. How much heat (in J) is required to…

A: Number of moles can be calculated as shown below:

Q: Juan freezes a bottle of water to ice (500.mL) in preparation for a road trip. How much heat can be…

A:

Q: muny giallis Of CU, are produced per 2.50 x 103 kJ of heat released? 0.0809 g 3.56g 31.3 g 157 g…

A: Since you have posted multiple questions and have mot mentioned which question you want to be…

Q: Which change happens when a substance melts? O Heat energy overcomes the forces of attraction…

A: Here we have to choose correct option about melting of substances-

Q: Energy Constants for H2O 334 J/g = Heat of Fusion (Hf) 2260 J/g = Heat of Vaporization (Hv) 2.11…

A: Answer:- This question is answer by using the simple concept of calorimetry which state that heat…

Q: 3. A substance at higher temperature always has more heat energy than a substance at lower…

A: False