South Pasadena • AP Chemistry
... 11. When H2SO4 and Ba(OH)2 are reacted in a double replacement reaction, one of the products of the reaction is… a) H2 d) BaH2 b) H2O e) SO2 c) BaS 12. In the double replacement reaction between the weak acid, HC2H3O2 and strong base, NaOH, which ion(s) are spectator ions? a) Na+, C2H3O2– d) H+, C2 ...
... 11. When H2SO4 and Ba(OH)2 are reacted in a double replacement reaction, one of the products of the reaction is… a) H2 d) BaH2 b) H2O e) SO2 c) BaS 12. In the double replacement reaction between the weak acid, HC2H3O2 and strong base, NaOH, which ion(s) are spectator ions? a) Na+, C2H3O2– d) H+, C2 ...
Chemistry Unit Review
... 16. Write chemical formula equations for the following. a. zinc and hydrochloric acid are added together to produce hydrogen gas and zinc chloride ...
... 16. Write chemical formula equations for the following. a. zinc and hydrochloric acid are added together to produce hydrogen gas and zinc chloride ...
Chemistry 1- Final Exam Review
... b. number of moles of gas. d. pressure of the gas ____ 69. Calculate the approximate temperature of a 0.50 mol sample of gas at 750 mm Hg and a volume of 12 L. a. –7°C c. 16°C b. 11°C d. 288°C ____ 70. What happens to the pressure of a gas inside a container if the temperature of the gas decreases? ...
... b. number of moles of gas. d. pressure of the gas ____ 69. Calculate the approximate temperature of a 0.50 mol sample of gas at 750 mm Hg and a volume of 12 L. a. –7°C c. 16°C b. 11°C d. 288°C ____ 70. What happens to the pressure of a gas inside a container if the temperature of the gas decreases? ...
2. Covalent network
... o A cation is smaller than its parent atom Lattice energy: the change in energy when ions are packed together to form an ionic solid o Lattice energy=k(Q1 Q2/r) o K= constant o Q1, Q2 = charges on the ions ...
... o A cation is smaller than its parent atom Lattice energy: the change in energy when ions are packed together to form an ionic solid o Lattice energy=k(Q1 Q2/r) o K= constant o Q1, Q2 = charges on the ions ...
Midterm 1 2009 (PDF format)
... Please answer all questions in the space provided. Circle the letter corresponding to your answer on the multiple-choice section. A periodic table is provided at the end of the exam. You have 50 minutes. Proper calculators are permitted. ...
... Please answer all questions in the space provided. Circle the letter corresponding to your answer on the multiple-choice section. A periodic table is provided at the end of the exam. You have 50 minutes. Proper calculators are permitted. ...
Partial Pressures of Gases
... recycle silver by trickling waste solutions containing silver ions over scrap copper. ...
... recycle silver by trickling waste solutions containing silver ions over scrap copper. ...
03. The Theoretic bases of bioenergetics
... E a = activation energy R = 8.314 [ J · mol -1 · K -1 ] T = absolute temperature in degrees Kelvin A = pre-exponential or frequency factor A = p · Z, where Z is the collision rate and p is a steric factor. Z turns out to be only weakly dependant on temperature. Thus the frequency factor is a constan ...
... E a = activation energy R = 8.314 [ J · mol -1 · K -1 ] T = absolute temperature in degrees Kelvin A = pre-exponential or frequency factor A = p · Z, where Z is the collision rate and p is a steric factor. Z turns out to be only weakly dependant on temperature. Thus the frequency factor is a constan ...
acids and bases - No Brain Too Small
... You get given a table of ions but need to learn their names ...
... You get given a table of ions but need to learn their names ...
Question paper - Edexcel
... 16 Two ketones, CH3COCH2CH2CH3 and CH3CH2COCH2CH3, both have Mr = 86. Which peak due to fragmentation into singly charged ions would you expect to be present in the mass spectrum of one but not the other? ...
... 16 Two ketones, CH3COCH2CH2CH3 and CH3CH2COCH2CH3, both have Mr = 86. Which peak due to fragmentation into singly charged ions would you expect to be present in the mass spectrum of one but not the other? ...
Chemistry Midterm Review Sheet
... Honors Chem Midterm Review Sheet Exam - Wed. Dec. 17, 2008 a) b) c) d) ...
... Honors Chem Midterm Review Sheet Exam - Wed. Dec. 17, 2008 a) b) c) d) ...
Part I Power generation in fuel cells
... It must also be remembered that electrode potentials change as the conditions become non-standard, and this must be taken into account when discussing the feasibility of the corrosion process. The iron half reaction coupled to a half reaction such as described above produces what is known as a corr ...
... It must also be remembered that electrode potentials change as the conditions become non-standard, and this must be taken into account when discussing the feasibility of the corrosion process. The iron half reaction coupled to a half reaction such as described above produces what is known as a corr ...
11-1 SECTION 11 THERMOCHEMISTRY Thermochemistry: Study of
... implies that when 2 moles of gaseous dihydrogen reacts with one mole of gaseous dioxygen to give two moles of liquid water 570 kilojoules of energy is released from the reacting system to its surroundings.] The ∆ means change, r stands for reaction and H is the symbol for enthalpy. ∆rH is the enthal ...
... implies that when 2 moles of gaseous dihydrogen reacts with one mole of gaseous dioxygen to give two moles of liquid water 570 kilojoules of energy is released from the reacting system to its surroundings.] The ∆ means change, r stands for reaction and H is the symbol for enthalpy. ∆rH is the enthal ...
Chemical reaction
... • Two amino acids can bond to form a dipeptide. • Condensation reaction • Creates water • Forms a peptide bond ...
... • Two amino acids can bond to form a dipeptide. • Condensation reaction • Creates water • Forms a peptide bond ...
Chemistry Spring Final Review
... 21. In which compound is the percent composition by mass of chlorine equal to 47%? A. HClO B. HClO 2 C. HClO 3 D. HClO 4 22. What is the percent composition by mass of sulfur in the compound MgSO 4 ? A. 20% B. 27% C. 46% D. 53% 23. Which of the following best describes exothermic chemical reactions? ...
... 21. In which compound is the percent composition by mass of chlorine equal to 47%? A. HClO B. HClO 2 C. HClO 3 D. HClO 4 22. What is the percent composition by mass of sulfur in the compound MgSO 4 ? A. 20% B. 27% C. 46% D. 53% 23. Which of the following best describes exothermic chemical reactions? ...
Chapter 8 - Chemical Equations
... ____ 9. ___ CaCO3 ___ CaO + ___ CO2 ____ 10. ___ Mg + ___HCl ___ MgCl2 + ___ H2 ____ 11. ___ Mg(OH)2 + ___ HCl ___ MgCl2 + ___ H2O ____ 12. ___ Na2SO4 + ___ BaCl2 ___ BaSO4 + ___ NaCl ____ 13. ___ C2H2 + ___O2 ___ CO2 + ___ H2O ____ 14. ___ CaI2 + ___ F2 ___ CaF2 + ___ I2 ____ 15. ___ Na ...
... ____ 9. ___ CaCO3 ___ CaO + ___ CO2 ____ 10. ___ Mg + ___HCl ___ MgCl2 + ___ H2 ____ 11. ___ Mg(OH)2 + ___ HCl ___ MgCl2 + ___ H2O ____ 12. ___ Na2SO4 + ___ BaCl2 ___ BaSO4 + ___ NaCl ____ 13. ___ C2H2 + ___O2 ___ CO2 + ___ H2O ____ 14. ___ CaI2 + ___ F2 ___ CaF2 + ___ I2 ____ 15. ___ Na ...
*6th Grade Science-Chapter 5 Study Guide Lesson 5.1: Observing
... A precipitate is a solid that forms from liquids that undergo chemical changes in a chemical reaction. A gas can form from a solid or liquid as a result of chemical changes. A color change can occur as a result of chemical changes. Exothermic reaction- net energy is released from a chemical reaction ...
... A precipitate is a solid that forms from liquids that undergo chemical changes in a chemical reaction. A gas can form from a solid or liquid as a result of chemical changes. A color change can occur as a result of chemical changes. Exothermic reaction- net energy is released from a chemical reaction ...
Chapter 3 Stoichiometry: Calculations with Chemical Formulas and
... Imagine that you are working on ways to improve the process by which iron ore containing Fe2O3 is converted into iron. In your tests you carry out the following reaction on a small scale: Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) ...
... Imagine that you are working on ways to improve the process by which iron ore containing Fe2O3 is converted into iron. In your tests you carry out the following reaction on a small scale: Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) ...
EKSIKA JOINT EVALUATION TEST. Kenya Certificate
... If 6.8g of hydrogen peroxide contained 75cm3 of solution with water were completely decomposed, determine the rise in temperature due to the reaction.(Specific heat capacity of water =4.2Jg-1K-1 , density of water = 1g/cm3 , O = 16 , H = 1). ...
... If 6.8g of hydrogen peroxide contained 75cm3 of solution with water were completely decomposed, determine the rise in temperature due to the reaction.(Specific heat capacity of water =4.2Jg-1K-1 , density of water = 1g/cm3 , O = 16 , H = 1). ...
THERMOCHEMISTRY ENERGETICS/ENTHALPY
... It is possible to work out the change in energy – the enthalpy change – of a reaction if you know the products and the reactants since Hess’s law states that whichever route a reaction takes, the enthalpy change will always be the same. How do you calculate the enthalpy change of a reaction? ...
... It is possible to work out the change in energy – the enthalpy change – of a reaction if you know the products and the reactants since Hess’s law states that whichever route a reaction takes, the enthalpy change will always be the same. How do you calculate the enthalpy change of a reaction? ...
Reaction of amino acids with exo-3,6-epoxy-1,2,3,6
... When an aqueous solution of glycine and the anhydride 2 was heated and subsequently evaporated by azeotropic distillation of toluene as described by Ondruš et al., we obtained material which corresponded with that reported by them.6 However, upon attempted crystallization from chloroform, as previou ...
... When an aqueous solution of glycine and the anhydride 2 was heated and subsequently evaporated by azeotropic distillation of toluene as described by Ondruš et al., we obtained material which corresponded with that reported by them.6 However, upon attempted crystallization from chloroform, as previou ...
