Q1: Fill the blanks with an appropriate word (answer five only) 1. Covalent bonds havemelting and 2. A positive ion has electrons and a negative ion has_ electrons. 3. The atomic number is the same as the number of 4. The electrons are the outer electrons and are involved inbonding. 5. The magic number of valence electrons needed by all, but two atoms is 6. In a covalent bond, electrons are 7. The two particles located inside the nucleus are the_ and the points. Q2:: Which statements are true for source of requirements and which are false? If false, please give the correct answer. 1. Both Enthalpy and Work are state functions 2. A process is endothermic when AH is Negative 3. Enthalpies of Reaction is same as heat of reaction 4. Heat capacity is the amount of energy required to raise the temperature of 1 g of a substance by 1 K. Q3: The enthalpy of vaporization for water is: H,O >H,0) AHg = + 44.0 kl/mole Calculate the AH for evaporating 3.00 grams of water and AH for Condensing 20 grams of water.

Q1: Fill the blanks with an appropriate word (answer five only) 1. Covalent bonds havemelting and 2. A positive ion has electrons and a negative ion has_ electrons. 3. The atomic number is the same as the number of 4. The electrons are the outer electrons and are involved inbonding. 5. The magic number of valence electrons needed by all, but two atoms is 6. In a covalent bond, electrons are 7. The two particles located inside the nucleus are the_ and the points. Q2:: Which statements are true for source of requirements and which are false? If false, please give the correct answer. 1. Both Enthalpy and Work are state functions 2. A process is endothermic when AH is Negative 3. Enthalpies of Reaction is same as heat of reaction 4. Heat capacity is the amount of energy required to raise the temperature of 1 g of a substance by 1 K. Q3: The enthalpy of vaporization for water is: H,O >H,0) AHg = + 44.0 kl/mole Calculate the AH for evaporating 3.00 grams of water and AH for Condensing 20 grams of water.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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