{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Homework 2

# Homework 2 - Homework 2 questions 1 Which of the following...

This preview shows pages 1–3. Sign up to view the full content.

1 Homework 2 questions 1. Which of the following is a standard enthalpy of formation reaction? I. C(graph) + O 2 CO 2 (g) II. H 2 (g) + ½ O 2 H 2 O ( ) III. CH 3 OH ( ) + 3/2 O 2 (g) CO 2 (g) + 2 H 2 O ( ) A. I only B. I and II C. II and III D. All E. None 2. If 325 g of water at 4.20 ° C absorbs 12.28 kJ, what is the final temperature of the water? The specific heat of water is 4.18 J/g·K. 3. Magnesium is burned in a bomb calorimeter. If 3.28 kJ of energy were released by the combustion of magnesium and if the enthalpy of combustion for magnesium is 602 kJ/mol, how many grams of magnesium were burned Mg (s) + ½ O 2 (g) MgO(s)

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
2 4. If the standard state of sulfur is S 8 (s), which of the following equations represents the standard enthalpy of formation of H 2 SO 4 ( ) ? A. 2H (g) + S (g) + 4 O (g) H 2 SO 4 ( ) B. H 2 (g) + S 8 (g) + 2 O 2 (g) H 2 SO 4 ( ) C. H 2 SO 4 ( ) H 2 (g) + 1/8 S 8 (s) + 2 O 2 (g) D. H 2 SO 4 ( ) 2 H (g) + S (s) + 4 O (g) E. H 2 (g) + 1/8 S 8 (s ) + 2 O 2 (g) H 2 SO
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 6

Homework 2 - Homework 2 questions 1 Which of the following...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online