Provide the IUPAC name for the following organic molecules. (All answers to this question need to be provided in the space below in order to receive credit)    Structure    a     b c d

Refer to the following balanced combustion reaction between methane, CH4, and oxygen to produce carbon dioxide and water. (Final answers to each question must be included in the space below to receive credit)  CH4 (g) + 2 O2 (g) CO2 (g) + 2 H2O (l) If 30.0 g of methane (CH4) reacts with 115.0 g of oxygen gas (O2) which is the limiting reagent? (Molar mass of methane: 16.0 g/mole and molar mass of O2 : 32.0 g/mol) Work for this answer needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished.

From the following enthalpies of reaction:   H2 (g) + F2 (g) 2HF (g)              H = -737 kJ C (s) + 2F2 (g) CF4 (g)               H = -880 kJ 2C (s) + 2H2 (g) C2H4 (g)          H = +102.3 kJ a. Calculate H for the following reaction: Work for this answer needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished. (Final answers to this question must be included in the space below to receive credit) 1/2 C2H4 (g) + 3 F2 (g)  CF4 (g) + 2 HF (g) b. Is the reaction above exothermic or endothermic? (Final answers to this question must be included in the space below to receive credit)

Refer to the following chemical reaction:    AgNO3 (aq) + Na3PO4 (aq)                               a. For the following metathesis reaction: Provide the balanced molecular equation and net ionic equation. Balanced equations must include appropriate charges and states of matter. Work for this answer needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished. b. Identify the spectator ions for the reaction listed above. (Final answers to this question must be included in the space below to receive credit) c. Identify the precipitate formed in the reaction listed above. (Final answers to this question must be included in the space below to receive credit)

Describe the similarities and differences between an open system versus a closed system. (Final answers to this question must be included in the space below to receive credit)

Refer to the following neutralization reaction between sodium bicarbonate and hydrochloric acid. Work for these answers needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished. NaHCO3 (s) + HCl (aq) NaCl (aq) + H2O (l) + CO2 (g) (a) A student spills 100.0 mL of a 1.0 M HCl solution on the floor. How many moles of HCl have been spilled? (Final answers to this question must be included in the space below to receive credit) (b) How many grams of NaHCO3 are required to neutralize all HCl that has been spilled? The molar mass of sodium bicarbonate is 84.01 g/mol. (Final answers to this question must be included in the space below to receive credit)

Refer to the following balanced combustion reaction between methane, CH4, and oxygen to produce carbon dioxide and water. (Final answers to each question must be included in the space below to receive credit)  CH4 (g) + 2 O2 (g) CO2 (g) + 2 H2O (l) If 30.0 g of methane (CH4) reacts with 115.0 g of oxygen gas (O2) which is the limiting reagent? (Molar mass of methane: 16.0 g/mole and molar mass of O2 : 32.0 g/mol) Work for this answer needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished.

From the following enthalpies of reaction:   H2 (g) + F2 (g) 2HF (g)              H = -737 kJ C (s) + 2F2 (g) CF4 (g)               H = -880 kJ 2C (s) + 2H2 (g) C2H4 (g)          H = +102.3 kJ a. Calculate H for the following reaction: Work for this answer needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished. (Final answers to this question must be included in the space below to receive credit) 1/2 C2H4 (g) + 3 F2 (g)  CF4 (g) + 2 HF (g) b. Is the reaction above exothermic or endothermic? (Final answers to this question must be included in the space below to receive credit)

Refer to the following chemical reaction:    AgNO3 (aq) + Na3PO4 (aq)                               a. For the following metathesis reaction: Provide the balanced molecular equation and net ionic equation. Balanced equations must include appropriate charges and states of matter. Work for this answer needs to be completed on your scratch paper and sent in the work sent to Dr. Metz after the exam is finished. b. Identify the spectator ions for the reaction listed above. (Final answers to this question must be included in the space below to receive credit) c. Identify the precipitate formed in the reaction listed above. (Final answers to this question must be included in the space below to receive credit)

Describe the similarities and differences between an open system versus a closed system. (Final answers to this question must be included in the space below to receive credit)