Please show all steps
and explain, as I need to understand for an exam. Thx!
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Please show all steps
and explain, as I need to understand for an exam. Thx!
15....
Please explain all work and explain the concept of combustion... I am new to this and...
Please
explain all work and explain the concept of combustion... I am new
to this and the last time I posted this question the answer was not
satisfactory. i need to understand for an exam. thx!
15. A 2.0 g sample of ethylene (C2H4, molecular weight 28.05 g/mol) is combusted in pure oxygen (O2, molecular weight 32.00 g/mol). What mass of CO2 (molecular weight 44.01 g/mol) was generated? A. 22.82 g B. 17.88 g C. 11.21 g D. 6.28 g....
Please show all steps and explain, as I need to understand for an exam. Thx! 14....
Please show all steps
and explain, as I need to understand for an exam. Thx!
14. The combustion of a hydrocarbon produces 66.02 g CO2 (molecular weight 44.01 g/mol) and 13.51 g H2O (molecular weight 18.01 g/mol). It's empirical formula must be: A. CH B. C2H C. CH2 D. C3H2 E. none of the above. ANSWER: A
Please show all steps and explain, as I need to understand for an exam. Thx! 16. A drop of water has a volume of 50 uL....
Please show all steps
and explain, as I need to understand for an exam. Thx!
16. A drop of water has a volume of 50 uL. How many water molecules does it contain? The density of water is 1.0 g/mL. A. 1.67 x 1021 molecules. B. 1.67 x 1018 molecules. C. 1.67 x 1020 molecules. D. 1.67 x 1023 molecules. E. none of the above. ANSWER: A
Please explain the steps, since I need to understand for exam. Thank you! In the figure...
Please explain the steps, since I need to understand for exam.
Thank you!
In the figure (Figure 1), each capacitor has 4.40 uF and Vab 29.0 V. Part A Calculate the charge on capacitor C1 Part B Calculate the potential difference across capacitor C1 Part C Calculate the charge on capacitor C2 Part D Calculate the potential difference across capacitor C2. Part E Calculate the charge on capacitor C3 Part F Calculate the potential difference across capacitor C3 Part G...
Please complete the calculations and show all steps. ic at the niseet When the small circles...
Please complete the calculations and show all steps.
ic at the niseet When the small circles on each cursor line overlap each eht tu ie potht Where inction, the temperatures shown in either examine box should be equal to the intersect DATA AND CALCULATIONS Mass of lauric acid Mass of benzoic acid Freezing temperature of pure lauric acid Freezing point of the benzoic acid-lauric acid mixture Freezing temperature depression, At 43.0 sq.5 oC °C °C Molality, m molkg Moles of...
please show me how to get the correct answers in preperation for my upcoming exam 6.)...
please show me how to get the correct answers in preperation
for my upcoming exam
6.) E 10.) B 12.) C
6) The density of nitric oxide (NO) gas at0.970 atm and 34.9 °C is A) 0.0384 B) 10.2 C) 0.869 8/L. D) 0.339 E) 1.15 10) A pressure vessel contains CO2 (PCO2 = 3.78 atm) and O2 (P02 -6 atm) gases at a total pressure of 9.78 atm. What is the mole-fraction of CO2 and O2 gases, respectively? A)...
Question 6 The molarity of a solution can be determined from o the number of mmoles...
Question 6 The molarity of a solution can be determined from o the number of mmoles of solute per milliliter of solution. o the number of moles of solute per kilogram of solution. o the number of moles of solute per kilogram of solvent. o the number of moles of solute per liter of the solvent D Question 7 Hydrazine, N2H4, is a liquid used as a rocket fuel. It reacts with oxygen to yield nitrogen gas and water. N2H4(lig)...
I did most of questions but I’m stuck with these few. Please help, and show steps...
I did most of questions but I’m stuck with these few. Please
help, and show steps so I can understand them. I would greatly
appreciate it, thank you!
8. Calculate the ΔHp in kJ/mol for sulfuric acid, so, (g) + H20 (I) → H,so, (aq) Δ1"--227.8 k/ H,SO.. given the following data: (6 pts) AH (kJ/mol) SO, (g) -395.7 SO, (g) -296.8 285.8 9. The reaction between hydrogen and oxygen to yield water vapor has the following thermochemical equation: a)...
Please answer the questions clearly, showing all working. 1(i). Balance the following equations, and then write...
Please answer the questions clearly, showing all working. 1(i). Balance the following equations, and then write the net ionic equation (a) (NH4)2CO3(aq) + Cu(NO3)2(aq) → CuCO3(s) + NH4NO3(aq) (b) Mg(OH)2(s) + HCl(aq) → MgCl2(aq) + H2O(l) (c) BaCO3(s) + HBr(aq) → BaBr2(aq) + H2O(l) + CO2(g) 1(ii). For each reaction equation, identify the driving force of the reaction 2. What is an electrolyte? How can you experimentally differentiate between a weak electrolyte and a strong electrolyte? Name and give the...
Please explain and show steps! Thanks! At 35°C, K = 1.6×10-5 for the following reaction 2...
Please explain and show steps! Thanks!
At 35°C, K = 1.6×10-5 for the following reaction 2 NOCI(g)2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures (a) 2.0 mol of pure NOCl in a 1.7-L flask [NOCI] [Cl2l (b) 7.2 mol of NO and 3.6 mol of Cl2 in a 1.2-L flask [NOCI] [NO] [Cl2l (c) 1.7 mol of NOCI and 1.7 mol of NO in a 2.0-L flask [NOCI] [NO]...
Please
explain all work and explain the concept of combustion... I am new
to this and the last time I posted this question the answer was not
satisfactory. i need to understand for an exam. thx!
15. A 2.0 g sample of ethylene (C2H4, molecular weight 28.05 g/mol) is combusted in pure oxygen (O2, molecular weight 32.00 g/mol). What mass of CO2 (molecular weight 44.01 g/mol) was generated? A. 22.82 g B. 17.88 g C. 11.21 g D. 6.28 g....
Please show all steps
and explain, as I need to understand for an exam. Thx!
14. The combustion of a hydrocarbon produces 66.02 g CO2 (molecular weight 44.01 g/mol) and 13.51 g H2O (molecular weight 18.01 g/mol). It's empirical formula must be: A. CH B. C2H C. CH2 D. C3H2 E. none of the above. ANSWER: A
Please show all steps
and explain, as I need to understand for an exam. Thx!
16. A drop of water has a volume of 50 uL. How many water molecules does it contain? The density of water is 1.0 g/mL. A. 1.67 x 1021 molecules. B. 1.67 x 1018 molecules. C. 1.67 x 1020 molecules. D. 1.67 x 1023 molecules. E. none of the above. ANSWER: A
Please explain the steps, since I need to understand for exam.
Thank you!
In the figure (Figure 1), each capacitor has 4.40 uF and Vab 29.0 V. Part A Calculate the charge on capacitor C1 Part B Calculate the potential difference across capacitor C1 Part C Calculate the charge on capacitor C2 Part D Calculate the potential difference across capacitor C2. Part E Calculate the charge on capacitor C3 Part F Calculate the potential difference across capacitor C3 Part G...
Please complete the calculations and show all steps.
ic at the niseet When the small circles on each cursor line overlap each eht tu ie potht Where inction, the temperatures shown in either examine box should be equal to the intersect DATA AND CALCULATIONS Mass of lauric acid Mass of benzoic acid Freezing temperature of pure lauric acid Freezing point of the benzoic acid-lauric acid mixture Freezing temperature depression, At 43.0 sq.5 oC °C °C Molality, m molkg Moles of...
please show me how to get the correct answers in preperation
for my upcoming exam
6.) E 10.) B 12.) C
6) The density of nitric oxide (NO) gas at0.970 atm and 34.9 °C is A) 0.0384 B) 10.2 C) 0.869 8/L. D) 0.339 E) 1.15 10) A pressure vessel contains CO2 (PCO2 = 3.78 atm) and O2 (P02 -6 atm) gases at a total pressure of 9.78 atm. What is the mole-fraction of CO2 and O2 gases, respectively? A)...
Question 6 The molarity of a solution can be determined from o the number of mmoles of solute per milliliter of solution. o the number of moles of solute per kilogram of solution. o the number of moles of solute per kilogram of solvent. o the number of moles of solute per liter of the solvent D Question 7 Hydrazine, N2H4, is a liquid used as a rocket fuel. It reacts with oxygen to yield nitrogen gas and water. N2H4(lig)...
I did most of questions but I’m stuck with these few. Please
help, and show steps so I can understand them. I would greatly
appreciate it, thank you!
8. Calculate the ΔHp in kJ/mol for sulfuric acid, so, (g) + H20 (I) → H,so, (aq) Δ1"--227.8 k/ H,SO.. given the following data: (6 pts) AH (kJ/mol) SO, (g) -395.7 SO, (g) -296.8 285.8 9. The reaction between hydrogen and oxygen to yield water vapor has the following thermochemical equation: a)...
Please explain and show steps! Thanks!
At 35°C, K = 1.6×10-5 for the following reaction 2 NOCI(g)2 NO(g) + Cl2(g) Calculate the concentrations of all species at equilibrium for each of the following original mixtures (a) 2.0 mol of pure NOCl in a 1.7-L flask [NOCI] [Cl2l (b) 7.2 mol of NO and 3.6 mol of Cl2 in a 1.2-L flask [NOCI] [NO] [Cl2l (c) 1.7 mol of NOCI and 1.7 mol of NO in a 2.0-L flask [NOCI] [NO]...
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