What is the change in enthalpy (in kJ) under standard conditions when 233.71 g of sodium...

What is the change in enthalpy (in kJ) under standard conditions when 233.71 g of sodium sulfate dissolves in water?

Expert Solution

queen_honey_blossom answered 1 year ago

What is the change in enthalpy (in kJ) under standard conditions when 33.75 g of lithium...

What is the change in enthalpy (in kJ) under standard conditions when 33.75 g of lithium hydroxide dissolves in water? What is the change in enthalpy (in kJ) under standard conditions when 26.58 g of potassium hydroxide dissolves in water? What is the change in enthalpy (in kJ) under standard conditions when 181.37 g of sodium sulfate dissolves in water?

87 What is the change in enthalpy (in kJ) under standard conditions when 246.4 g of...

87 What is the change in enthalpy (in kJ) under standard conditions when 246.4 g of sodium sulfate dissolves in water? Answer:

The enthalpy change under standard conditions for which of the reactions below would be equal to...

The enthalpy change under standard conditions for which of the reactions below would be equal to the ∆H°f of NaOH(s)? (A) Na(s) + H2O(l)  NaOH(s) + 1/2 H2(g) (B) Na(s) + 1/2 O2(g) + 1/2 H2(g)  NaOH(s) (C) Na(s) + 1/2 H2O2(l)  NaOH(s) (D) Na+(aq) + OH–(aq)  NaOH(s) please explain why you chose that answer and why the other answers are wrong. If it has to do with them being in their standard states, how do...

1 a) Determine the enthalpy change for the following reaction under standard conditions and 25 °...

1 a) Determine the enthalpy change for the following reaction under standard conditions and 25 ° C: 2Hg (l) + Cl2 (g) → Hg2Cl2 (s) enthalpy for : Hg (l) = 0 Cl2 (g) = 0 Hg2Cl2 (s) = -265.22 b) The entropy change is for the reaction is -182.61 J K-1 mol-1 at standard conditions and 25 ° C. Is the reaction spontaneous under standard conditions and 25 ° C? c) What will be the enthalpy change at 100...

Calculate the entropy change of the UNIVERSE when 2.001 moles of H2O(g) react under standard conditions...

Calculate the entropy change of the UNIVERSE when 2.001 moles of H2O(g) react under standard conditions at 298.15 K. Consider the reaction 2H2O(g) + 2Cl2(g)4HCl(g) + O2(g) for which H° = 114.4 kJ and S° = 128.9 J/K at 298.15 K. (2) Is this reaction reactant or product favored under standard conditions? (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored, choose 'reactant...

A scientist measures the standard enthalpy change for the following reaction to be -613.2 kJ :...

A scientist measures the standard enthalpy change for the following reaction to be -613.2 kJ : P4O10(s) + 6 H2O(l)-->4H3PO4(aq) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H3PO4(aq) is kJ/mol.

For the reaction A(aq) ---> B(aq) the change in the standard free enthalpy is 2.59 kJ...

For the reaction A(aq) ---> B(aq) the change in the standard free enthalpy is 2.59 kJ at 25 oC and 4.73 kJ at 45 oC. Calculate the value of this reaction's equilibrium constant at 75 oC.

a) The standard enthalpy change for the following reaction is -270 kJ at 298 K. 2HCN...

a) The standard enthalpy change for the following reaction is -270 kJ at 298 K. 2HCN (g) --> 2 C(s, graphite) + H2 (g) + N2 (g) ΔH° = -270 kJ What is the standard enthalpy change for this reaction at 298 K? C (s, graphite) + 1/2 H2(g) + 1/2 N2(g) ---> HCN(g) _______ kJ

A.) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s)...

A.) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s) ----> Pb(s) + Cl2(g) ΔH° = 359 kJ What is the standard enthalpy change for this reaction at 298 K? Pb(s) + Cl2(g) ----> PbCl2(s) __________ kJ B.) The standard enthalpy change for the following reaction is -602 kJ at 298 K. Mg(s) + 1/2 O2(g) ----> MgO(s) ΔH° = -602 kJ What is the standard enthalpy change for the reaction at 298 K? 2...

The standard enthalpy change for the following reaction is -170 kJ at 298 K. 2 Cu(s)...

The standard enthalpy change for the following reaction is -170 kJ at 298 K. 2 Cu(s) + 1/2 O2(g) Cu2O(s) ΔH° = -170 kJ What is the standard enthalpy change for the reaction at 298 K? 4 Cu(s) + O2(g) 2 Cu2O(s) A student determines the heat of dissolution of solid cobalt(II) chloride using a coffee-cup calorimeter of negligible heat capacity. When 1.33 g of CoCl2(s) is dissolved in 111.00 g of water, the temperature of the solution increases from...

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