Write the formation reaction for each of the following substances. (a) CH4(g), (b) C3H8(e), (c) HCI(g), (d) C6H12O6(s) , (e) NaF(s).

Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HC1(aq) → 2 MCl,(aq) + 3 H,(g) ΔΗ = -589.0 kJ 2. HCI(g) → HCI(aq) AH2 = -74.8 kJ 3. H,(g) + Cl,(g) –→ 2 HCI(g) AH3 = -1845.0 kJ 4. MCI,(s) → MCl,(aq) AH4 = -262.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl,(g) → 2 MCl,(s) ΔΗ- kJ

Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCI(aq) 2 MCI, (aq) + 3 H, (g) ΔΗ = -550.0 kJ 2. HCl(g) HCI(aq) AH2 = -74.8 kJ > 3. H, (g) + Cl, (g) → 2 HCl(g) AH3 = -1845.0 kJ 4. MCl, (s) → MCI, (aq) AH4 = -291.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl, (g) → 2 MCI, (s) ΔΗ kJ

A student followed the procedure in this experiment, using 50.00 mL of 2.00 molar HCl and 51.00 mL of 2.00 molar NaOH both solutions having an initial temperature of 22.7 oC.  After mixing, a maximum temperature of 32.2 oC is measured. The final mass of the mixture was found to be 104.84 grams.  For this problem, assume the  specific heat of the solution is 4.18 J/g oC. Report all answers with the proper number of significant figures.  What is the heat transferred by this reaction, in Joules?

When a 45.0 g sample of an alloy at 100.0 °C is dropped into 55.0 g of water at 25.0 °C, the final temperature is 30.4 °C. What is the specific heat of the alloy? The specific heat of H2O(l) is 4.184 J·g–1·°C–1.            (A) 0.397 J·g–1·°C–1.           (B) 0.447 J·g–1·°C–1.           (C) 1.28 J·g–1·°C–1.           (D) 1.55 J·g–1·°C–1.

Payalben

Determine the enthalpy of reaction for HCI(g) + NANO,(s) → HNO,(1) + NaCI(s) 2NACI(s) + H,O(1) → 2HCI(g) + Na O(s) AH° = -507.1 kJ/mol NO(g) + NO,(g) + Na¸O(s) → 2NAÑO,(s) AH° = -427.0 kJ/mol NO(g) + NO,(g) → NO(g) + 0,(g) AH° = -43.01 kJ/mol 2HNO (1) → NO(g) + 0,(g) + H,O(1) AH° = +34.02 kJ/mol

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Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCl(aq) → 2 MCI, (aq) + 3 H, (g) ΔΗ = -847.0 kJ 2. HCI(g) → HCl(aq) AH2 = -74.8 kJ H,(g) + Cl,(g) → 2 HCl(g) 3. AH3 = -1845.0 kJ 4. MCI,(s) –→ MCI, (aq) AH4 = -424.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl, (g)→ 2 MCI, (s) ΔΗ-