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please answer all Question 25 3.5 pts A 0.258-g sample of a pure triprotic acid, H3A,...
please answer all
Question 25 3.5 pts A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid), was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid ? 227 g/mol 82.5 g/mol 371 g/mol 124 g/mol 186 g/mol Question 24 1.5 pts Which of the following compounds would have...
Please explain, and do step by step! 4. 10 Points. SHOW YOUR WORK CLEARLY a) USE THE FACTOR LABEL METHOD What volume...
Please explain, and do step by step!
4. 10 Points. SHOW YOUR WORK CLEARLY a) USE THE FACTOR LABEL METHOD What volume of a 0.500 M HCl solution is needed to neutralize 10.0 mL of a 0.220 M Ba(OH), solution 2 HCl(aq) + Ba(OH)2(aq) → BaCl2(aq) + 2 H2O(1) b) USE THE FACTOR LABEL METHOD An experiment calls for the addition of 0.250 g of HCl to reaction vessel. You have at your disposal a 0.250 M HCl solution. How...
please show all work, no cursive. math work should be in dimensional analysis and use starting...
please show all work, no cursive.
math work should be in dimensional analysis and use starting
amount and make sure each number has its units so that I can
understand how to do this.
5) Aluminum reacts with hydrochloric acid to produce hydrogen gas according to the equation below. 2 Al(s) + 6 HCl (aq) + 2 H2 (g) + 3 AlCl3 (aq) a. Balance the equation. (2 pts) b. What volume of hydrogen gas (in mL) is produced when...
please please quickkk helpp Question 25 3.5 pts A 0.258-g sample of a pure triprotic acid,...
please please quickkk helpp
Question 25 3.5 pts A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid), was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid ? 227 g/mol 82.5 g/mol 371 g/mol 124 g/mol 186 g/mol 1.5 pts Question 22 Identify the strongest intermolecular force in...
PLEASE ANSWER ALL PARTS OF THE QUESTION CORRECTLY. THANK YOU FOR YOUR HELP! Q1. The following...
PLEASE ANSWER ALL PARTS OF THE QUESTION CORRECTLY.
THANK YOU FOR YOUR HELP!
Q1. The following compounds are drugs that have been developed or tested to treat cancer. A) Circle and identify the functional groups found in each structure, B) indicate type of interactions (intermolecular forces) would occur for each compound in water versus octanol (chemical formula CH(CH2),OH). C) indicate which solvent would best dissolve the compound water or octanol and why you chose the answer you did. Compound 1:...
WILL GIVE THUMBS UP 3 attempts left Check my work Enter your answer in the provided...
WILL GIVE THUMBS UP
3 attempts left Check my work Enter your answer in the provided box. points A sample of 0.5760 g of an unknown compound containing barium ions (Ba) is dissolved in water and treated with an excess of Na,C0y. If the mass of the BaCO, precipitate formed is 0.5343 . what is the percent by mass of Ba in the original unknown compound? ebook Print References 3 attempts left Check my work Enter your answer in the...
Please show all work for all questions, with a clear answer. (5-10) thank you! reaction of...
Please show all work for all questions, with a clear answer. (5-10)
thank you!
reaction of Which of the following is a base anhydride? Which of the HCO( wih awing is the net ionic equation for the neutralization 6) liCK H:O 1icioraq) + NaOH(aq) → HOT) + NaClO(aq) acid, will form water as one mixed with an ? which of the following compounds, when of its products? d) Ca(01h д) Hasodaq) 8) b)Neso, e) Ca(NO), Which of the following is...
balance each of the following equations Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue b...
balance each of the following equations
Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
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...
Answer the question in below. Answer all 4 parts, and please show your calculation, and explain...
Answer the question in below. Answer all 4 parts, and please
show your calculation, and explain a bit.
1. For the hydrolysis of sulfamic acid NH,SO3H (MW 97.1 g.mol-') reacting with Ba(NO3) (MW 261.34 g.mol-') to produce BaSO4 (MW 233.38 g.mol"), we use a solution containing 1.50 g Ba(NO3)2 and 2.50 g of NH2SO3H: Ba(NO3)2(aq) + NH2SO3H(aq) + H20 (1) - BaSO4(s) + NH4NO3(aq) + HNO3(aq) (a) Use the expression below and calculate the grams of sulfamic acid needed to...
please answer all
Question 25 3.5 pts A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid), was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid ? 227 g/mol 82.5 g/mol 371 g/mol 124 g/mol 186 g/mol Question 24 1.5 pts Which of the following compounds would have...
Please explain, and do step by step!
4. 10 Points. SHOW YOUR WORK CLEARLY a) USE THE FACTOR LABEL METHOD What volume of a 0.500 M HCl solution is needed to neutralize 10.0 mL of a 0.220 M Ba(OH), solution 2 HCl(aq) + Ba(OH)2(aq) → BaCl2(aq) + 2 H2O(1) b) USE THE FACTOR LABEL METHOD An experiment calls for the addition of 0.250 g of HCl to reaction vessel. You have at your disposal a 0.250 M HCl solution. How...
please show all work, no cursive.
math work should be in dimensional analysis and use starting
amount and make sure each number has its units so that I can
understand how to do this.
5) Aluminum reacts with hydrochloric acid to produce hydrogen gas according to the equation below. 2 Al(s) + 6 HCl (aq) + 2 H2 (g) + 3 AlCl3 (aq) a. Balance the equation. (2 pts) b. What volume of hydrogen gas (in mL) is produced when...
please please quickkk helpp
Question 25 3.5 pts A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid), was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid ? 227 g/mol 82.5 g/mol 371 g/mol 124 g/mol 186 g/mol 1.5 pts Question 22 Identify the strongest intermolecular force in...
PLEASE ANSWER ALL PARTS OF THE QUESTION CORRECTLY.
THANK YOU FOR YOUR HELP!
Q1. The following compounds are drugs that have been developed or tested to treat cancer. A) Circle and identify the functional groups found in each structure, B) indicate type of interactions (intermolecular forces) would occur for each compound in water versus octanol (chemical formula CH(CH2),OH). C) indicate which solvent would best dissolve the compound water or octanol and why you chose the answer you did. Compound 1:...
WILL GIVE THUMBS UP
3 attempts left Check my work Enter your answer in the provided box. points A sample of 0.5760 g of an unknown compound containing barium ions (Ba) is dissolved in water and treated with an excess of Na,C0y. If the mass of the BaCO, precipitate formed is 0.5343 . what is the percent by mass of Ba in the original unknown compound? ebook Print References 3 attempts left Check my work Enter your answer in the...
Please show all work for all questions, with a clear answer. (5-10)
thank you!
reaction of Which of the following is a base anhydride? Which of the HCO( wih awing is the net ionic equation for the neutralization 6) liCK H:O 1icioraq) + NaOH(aq) → HOT) + NaClO(aq) acid, will form water as one mixed with an ? which of the following compounds, when of its products? d) Ca(01h д) Hasodaq) 8) b)Neso, e) Ca(NO), Which of the following is...
balance each of the following equations
Fall 209 CHM 105.004 Exam 2 Answer all the question in order in the blue book. Plesse leave at least two lines between question and show your calculations for full credit. N-6.023 x 10” particles per mol: R 0.08.205 L-atm/(mol-K) b) Al2(PO4) 3 e) CuSO4-5 H2O 1. Calculate the molar masses of: a) (NH4)2SO4 2. Calculate: a) the number of atoms of calcium in a 10.50 g sample of the metal b) the mass...
Answer the question in below. Answer all 4 parts, and please
show your calculation, and explain a bit.
1. For the hydrolysis of sulfamic acid NH,SO3H (MW 97.1 g.mol-') reacting with Ba(NO3) (MW 261.34 g.mol-') to produce BaSO4 (MW 233.38 g.mol"), we use a solution containing 1.50 g Ba(NO3)2 and 2.50 g of NH2SO3H: Ba(NO3)2(aq) + NH2SO3H(aq) + H20 (1) - BaSO4(s) + NH4NO3(aq) + HNO3(aq) (a) Use the expression below and calculate the grams of sulfamic acid needed to...
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