Determine ∆S for the phase change of 1.35 moles of water from solid to liquid at 0°C. (∆H = 6.01 kJ/mol

Consider the synthesis of urea according to the equationCO2(g) + 2 NH3(g) −−→ (NH2)2CO(s) + H2O(l)Calculate the ∆rxnG−⊖−for the reaction at 25 ◦C for 3.25 mol of NH3 and an abundance of CO2. Assuming ∆rxnG−⊖− to be independent of temperature, what is the ∆Grxn for the reaction at a pressure of 10.0 atm? ∆rxnG−⊖−(CO2) = -394.36 kJ/mol ∆rxnG−⊖−(NH3)= -16.45 kJ/mol ∆rxnG−⊖−( (NH2)2CO)= -197.33 kJ/mol ∆rxnG−⊖−(H2O)= -273.13 kJ/mol

How much energy is required to vaporize 41.4 g of dichloromethane (CH2Cl2) at its boiling point, if its ΔHvap is 31.6 kJ/mol?

Calculate ∆E (in kJ) when 2 moles of a liquid is vaporized at its boiling point (85.0°C) and 1.00 atm pressure. ∆Hvap for the liquid is 46.1 kJ/mol at 85.0°C.

Write "most" under the compound which would be most reactive toward Bry/Feßry. Write "least" under the compound which would be least reactive toward Bry/FeBr). benzene benzoic acid phenol Write "highest" under the compound in the highest oxidation state. Write "lowest" under the one in the lowest oxidation state. CH Write "most" under the one which is most acidic. Write "least" under the one which is least acidic. cyclohexanol benzene OH phenol region.

Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 58.7 kJ/mol. What would ∆H, in kJ/mol, be for the reaction 9 A + 3 B → 6 C?

Use the information provided to determine H°rxn for the following reaction: CH4(g) + 4Cl2(g) —> CCl4(g) + 4HCl(g) CH4(g) -75 CCl4(g) -96 HCl(g) -92

The addition of 105.0  g potassium fluoride to 599.0  mL of water (d = 1.00 g/mL) causes the temperature to rise 3.21 °C.  What is the ΔHrxn for KF? (Assume cp = 4.18 J/g oC.)

Calculate the ΔGo for X, in kJ, from the data given below at 327 K:   2X(g) → X2(g)     So (J/mol-K) ΔHo (kJ/mol) X(g) 51.2 77.4 X2(g) 61.4 171.1

Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 58.7 kJ/mol. What would ∆H, in kJ/mol, be for the reaction 2 C → 3 A + B?