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Question 9 4 pts Exactly 1.100 g of CO2(g) was introduced into a...
please quick help on those two questions 4 pts Question 9 Exactly 1.100 g of CO2(g)...
please quick help on those two questions
4 pts Question 9 Exactly 1.100 g of CO2(g) was introduced into a 1.00-L flask that already contained some O2 gas. The flask was warmed to 100 °C and the total pressure was found to be 815 mmHg. No chemical reaction occurred between CO2 and O2. Calculate the mass of Oz in the flask. 1.12 g 02 0.160 g 02 0.754 g 02 0.820 g 02 0.321 g 02 2 pts Question 12...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH H2O + Naci To calculate the approximate enthalpy change for this reaction using q-m•C•AT. what value should the student give to C in the equation ? O The student must use the heat of formation of water. The student must use the heat of formation of Naci....
2 pts Question 12 You have the six pieces of metal listed below, plus a beaker...
2 pts Question 12 You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0 °C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°c) Mass (g) 1. AI 0.9002 100.0 2. AI 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat...
You have the six pieces of metal listed below, plus a beaker of water containing 300...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0°C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°C) Mass (8) 1. AI 0.9002 100.0 2. AI 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0 °C, and...
You have the six pieces of metal listed below, plus a beaker of water containing 300...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0 °C and its specific heat is 4.184 J/g⋅°C. Metal Specific heat (J/g⋅°C) Mass (g) 1. Al 0.9002 100.0 2. Al 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment,...
You have the six pieces of metal listed below, plus a beaker of water containing 300...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0 °C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°C) Mass (g) 1. AI 0.9002 100.0 2. Al 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0°C, and...
You have the six pieces of metal listed below, plus a beaker of water containing 300...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0°C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g. °C) Mass (g) 1. AI 0.9002 100.0 2. AI 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0 °C,...
please help quick Which of the following substances form both ions and molecules in solution ?...
please help quick
Which of the following substances form both ions and molecules in solution ? O CH3OH O Li2CO3 O HCIO4 O Sr(OH)2 O H3PO4 The pH of a solution of barium hydroxide is 12.53. How many milliliters of this solution are needed to titrate 125 mL of a solution of 0.0200 M sulfuric acid ? O 148 ml O 165 ml 0 73.8 ml O 36.9 mL 0 7.38 x 104 mL You have the six pieces of...
please answer all Question 19 1.5 pts Which of the following molecules contains a smallest bond...
please answer all
Question 19 1.5 pts Which of the following molecules contains a smallest bond angle between two fluorine atoms? SiF4 BF3 Oo ooo CF4 KrF4 NF3 Question 14 1.5 pts Arrange the following species in increasing size: AI, Al3+, S, and S2- 52- <Al<S<A13+ A13+ < Al<S<S2 S<A13+ < Al< 52 52- < Al< A13+ <S A13+ <$< Al < 52 Question 12 2 pts You have the six pieces of metal listed below, plus a beaker of...
You have the six pieces of metal listed below, plus a beaker of water containing 300...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0°C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°C) Mass (8) 1. AI 0.9002 100.0 2. Al 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0 °C, and...
please quick help on those two questions
4 pts Question 9 Exactly 1.100 g of CO2(g) was introduced into a 1.00-L flask that already contained some O2 gas. The flask was warmed to 100 °C and the total pressure was found to be 815 mmHg. No chemical reaction occurred between CO2 and O2. Calculate the mass of Oz in the flask. 1.12 g 02 0.160 g 02 0.754 g 02 0.820 g 02 0.321 g 02 2 pts Question 12...
An aqueous solution of HCl is added to an aqueous solution of NaOH in a coffee cup calorimeter. The reaction is that of neutralization between the acid and the base: HCI + NaOH H2O + Naci To calculate the approximate enthalpy change for this reaction using q-m•C•AT. what value should the student give to C in the equation ? O The student must use the heat of formation of water. The student must use the heat of formation of Naci....
2 pts Question 12 You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0 °C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°c) Mass (g) 1. AI 0.9002 100.0 2. AI 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0°C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°C) Mass (8) 1. AI 0.9002 100.0 2. AI 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0 °C, and...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0 °C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°C) Mass (g) 1. AI 0.9002 100.0 2. Al 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0°C, and...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0°C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g. °C) Mass (g) 1. AI 0.9002 100.0 2. AI 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0 °C,...
please help quick
Which of the following substances form both ions and molecules in solution ? O CH3OH O Li2CO3 O HCIO4 O Sr(OH)2 O H3PO4 The pH of a solution of barium hydroxide is 12.53. How many milliliters of this solution are needed to titrate 125 mL of a solution of 0.0200 M sulfuric acid ? O 148 ml O 165 ml 0 73.8 ml O 36.9 mL 0 7.38 x 104 mL You have the six pieces of...
please answer all
Question 19 1.5 pts Which of the following molecules contains a smallest bond angle between two fluorine atoms? SiF4 BF3 Oo ooo CF4 KrF4 NF3 Question 14 1.5 pts Arrange the following species in increasing size: AI, Al3+, S, and S2- 52- <Al<S<A13+ A13+ < Al<S<S2 S<A13+ < Al< 52 52- < Al< A13+ <S A13+ <$< Al < 52 Question 12 2 pts You have the six pieces of metal listed below, plus a beaker of...
You have the six pieces of metal listed below, plus a beaker of water containing 300 g of water. The water temperature is 21.0°C and its specific heat is 4.184 J/g.°C. Metal Specific heat (J/g.°C) Mass (8) 1. AI 0.9002 100.0 2. Al 0.9002 50.0 3. Au 0.1289 100.0 4. Au 0.1289 50.0 5. Zn 0.3860 100.0 6. Zn 0.3860 50.0 In an experiment, you are asked to select one piece of metal and heat it to 100.0 °C, and...
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