(In empirical formula) Which value is more important to obtain as a highly accurate number:the mass...
(In empirical formula) Which value is more important to obtain as a highly accurate number:the mass of tin metal or the volume of nitric acid? Explain. What are the limiting reactants?
Homework Answers
We care mainly of the limiting reactant
which will be most likely the metal, since nitric acid is readily available in a lab
so
Choose The mass of Tin metal
Add Answer to:
(In empirical formula) Which value is more important
to obtain as a highly accurate number:the mass...
2. [7 marks] (a) Use the semi-empirical binding energy formula (above) and B to obtain the semi-empirical Zm, + Nm,...
2. [7 marks] (a) Use the semi-empirical binding energy formula (above) and B to obtain the semi-empirical Zm, + Nm, mass formula (SEMF). [Assume A is odd so that the pairing term is zero.] (b) Mirror nuclei are nuclei with the same mass number A and interchanged values of N and Z, e.g. IN-Z] 1. Which terms in the above formula give rise to differences in atomic mass between a pair of mirror nuclei? (c) Calculate the predicted atomic mass...
2，3，4，5 CHEM 1113: Recitation Activity - Week 3 Stoichiometry Learning Goals • Determine the limiting reactant...
2，3，4，5
CHEM 1113: Recitation Activity - Week 3 Stoichiometry Learning Goals • Determine the limiting reactant and excess reactant for chemical reactions on the molecule scale. • Determine the amount of product that can be formed based on the starting amounts of a chemical system. • Calculate the amounts of reactants, products, or leftovers for chemical reaction problems with limiting and excess reactants in both moles and grams. Part I: Quantitative Aspects of Chemical Formulas 1. What is the mass...
for the first question, simple formula is referring to empircial formula 1. The compound thiophene contains...
for
the first question, simple formula is referring to empircial
formula
1. The compound thiophene contains carbon, hydrogen and sulfur. When a sample weighing 2.450 g is subjected to complete combustion analysis with oxygen, 5.126 g of carbon dioxide and 1.049 g of water are produced. What is the simplest formula of thiophene? 2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are the products. How many grams of zinc metal are required to react completely...
please answer all my questions for me. thank you!! Use the References to access important values...
please answer all my questions for me. thank you!!
Use the References to access important values if needed Calculate the percentage composition for NO2. Mass percentage of nitrogen = Mass percentage of oxygen = Submit Answer Retry Entire Group 8 more group attempts remaining Reference! Use the References to access important value of needed for this question 53.95 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 77.14...
Explain please 11. What is the empirical formula of a compound that is by mass 50% element A (whose molar mass is 38...
Explain please
11. What is the empirical formula of a compound that is by mass 50% element A (whose molar mass is 38) and 50% element B (whose molar mass is 19)? A) A,B B) AB, C) AB D) A,B2 12. What would be the volume of 76 g of fluorine gas (molar mass equal to 38 g/mole) at a pressure of 0.821 atm and a temperature of 27°c? R = 0.082 L.atm/molek A) 30 L B) 60 L C)...
23. An important intermediate reaction in the industrial production process of nitric acid is shown. What...
23. An important intermediate reaction in the industrial production process of nitric acid is shown. What is the theoretical yield of H2O (18.02 g/mol) if 45.0 kg of NH3 (17.04 g/mol) reacts with excess O2 (32.00 g/mol)? NH3(g) + O2(g) → NO(g) + H2O (1) 24. A 10.00 g sample of a hydrocarbon (which is a compound that contains only carbon and hydrogen) was burned in oxygen, and the carbon dioxide and water produced were carefully collected and weighed. The...
1. Determine the empirical formula of a compound in which the combustion of 5.048 g of...
1. Determine the empirical formula of a compound in which the combustion of 5.048 g of a sample of the compound of C, H, and O gave 7.406 g of CO2 and 3.027 g of H2O. If a molecular mass of 150.60 g/mol is given, find the molecular formual. 2. Given the reaction: CH6O3 +C4HgO3 CgHgO¢ + CH3COOH Salicylic acid + Acetic anhydride Aspirin + Acetic acid In a certain, aspirin synthesis, 102.2 g of salicylic acid and 100.9 g...
Jordan obtains a silver metallic unknown. Jordan measure the mass of the metal to be 62.307...
Jordan obtains a silver metallic unknown. Jordan measure the mass of the metal to be 62.307 g. When the metal is placed in a graduated cylinder that contains 22.3 mL of water, the new volume is measured to be 29.1 mL. a) calculate the change in volume of water in the graduated cylinder. b) calculate the density of the metal. c) Jordan's teacher provides a list of possible unknowns. Determine the identity of the unknown. METAL DENSITY (g/mL) lead 11.35...
Which statement about the value added tax is not accurate? A. It is an important source...
Which statement about the value added tax is not accurate? A. It is an important source of revenue for many central governments in the European Community. B. Because the tax is “hidden” in the price of the product, it may encourage higher tax rates than the American retail sales taxes. C. The value added tax is the sales tax form currently used by the United States government. D. None of the above—all are accurate.
A metal M forms an oxide with formula M2O3, for which the mass percentage of the...
A metal M forms an oxide with formula M2O3, for which the mass percentage of the metal is 69.9%. What is the molar mass of the metal?
2. [7 marks] (a) Use the semi-empirical binding energy formula (above) and B to obtain the semi-empirical Zm, + Nm, mass formula (SEMF). [Assume A is odd so that the pairing term is zero.] (b) Mirror nuclei are nuclei with the same mass number A and interchanged values of N and Z, e.g. IN-Z] 1. Which terms in the above formula give rise to differences in atomic mass between a pair of mirror nuclei? (c) Calculate the predicted atomic mass...
2，3，4，5
CHEM 1113: Recitation Activity - Week 3 Stoichiometry Learning Goals • Determine the limiting reactant and excess reactant for chemical reactions on the molecule scale. • Determine the amount of product that can be formed based on the starting amounts of a chemical system. • Calculate the amounts of reactants, products, or leftovers for chemical reaction problems with limiting and excess reactants in both moles and grams. Part I: Quantitative Aspects of Chemical Formulas 1. What is the mass...
for
the first question, simple formula is referring to empircial
formula
1. The compound thiophene contains carbon, hydrogen and sulfur. When a sample weighing 2.450 g is subjected to complete combustion analysis with oxygen, 5.126 g of carbon dioxide and 1.049 g of water are produced. What is the simplest formula of thiophene? 2. When zinc metal reacts with copper(II) nitrate, zinc(II) nitrate and copper metal are the products. How many grams of zinc metal are required to react completely...
please answer all my questions for me. thank you!!
Use the References to access important values if needed Calculate the percentage composition for NO2. Mass percentage of nitrogen = Mass percentage of oxygen = Submit Answer Retry Entire Group 8 more group attempts remaining Reference! Use the References to access important value of needed for this question 53.95 gram sample of iron is heated in the presence of excess oxygen. A metal oxide is formed with a mass of 77.14...
Explain please
11. What is the empirical formula of a compound that is by mass 50% element A (whose molar mass is 38) and 50% element B (whose molar mass is 19)? A) A,B B) AB, C) AB D) A,B2 12. What would be the volume of 76 g of fluorine gas (molar mass equal to 38 g/mole) at a pressure of 0.821 atm and a temperature of 27°c? R = 0.082 L.atm/molek A) 30 L B) 60 L C)...
23. An important intermediate reaction in the industrial production process of nitric acid is shown. What is the theoretical yield of H2O (18.02 g/mol) if 45.0 kg of NH3 (17.04 g/mol) reacts with excess O2 (32.00 g/mol)? NH3(g) + O2(g) → NO(g) + H2O (1) 24. A 10.00 g sample of a hydrocarbon (which is a compound that contains only carbon and hydrogen) was burned in oxygen, and the carbon dioxide and water produced were carefully collected and weighed. The...
1. Determine the empirical formula of a compound in which the combustion of 5.048 g of a sample of the compound of C, H, and O gave 7.406 g of CO2 and 3.027 g of H2O. If a molecular mass of 150.60 g/mol is given, find the molecular formual. 2. Given the reaction: CH6O3 +C4HgO3 CgHgO¢ + CH3COOH Salicylic acid + Acetic anhydride Aspirin + Acetic acid In a certain, aspirin synthesis, 102.2 g of salicylic acid and 100.9 g...
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