please answer both the questions and explain how you got each answer.
please answer both the questions and explain how you got each answer. 2. Combustion analysis of...
can you please answer these two questions 3 A compound of sodium and sulfur is analyzed to contain following mass of each elements. Calculate is the empirical formula. Show all calculation steps by using conversion factor, give calculator value (c.v.) and Final value (f.v) to get full credit. Show steps (1.2,3) (Na=5.891 g and S = 4.109 g) (6 pt Step 1: Step 2: Step 3: Empirical Formula is: 4 In the following chemical reaction. Balance the molecular equation by...
Please show your work so I know how you got the answer. Thank you so much! One of the components that make up common table sugar is fructose, a compound that contains only carbon, hydrogen, and oxygen. Complete combustion of 1.50 g of fructose produced 2.20 g of carbon dioxide and 0.900 g of water. What is the empirical formula of fructose?
please answer all pleass NAME: BIS Test No. Answer following questions clearly with set-ups. You may not be given any credit if the final answer is written without showing any set-up and/or equations. Please print. 1. (28) a. Write the balanced chemical equation of the combustion reaction of liquid pentane (CsHs). b. Write the complete ionic equation equation of the precipitation reaction of aqueous Pb(NOs) and aqueous Na:S? c. Write the net ionic equation of combining aqueous solutions of FeCl:(aq)...
Would some please explain how to solve this problem and what I did wrong? Also, sorry the handwriting is atrocious, I was doing it in a hurry. also could you explain how this could possibly be wrong An unknown compound contains only C. H and O. Combustion of 7.00 g of this compound produced 14.0 g CO, and 5.73 g H,O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical rmula: C,H,O formula P the...
if you can't answer all ,please don't answer 1) of the reactions below, which one is a decomposition reaction? A) Ca(NO3)2 + Na2S -- CdS +2NaNO3 B) NH4Cl- NH3 + HCI C) 2Mg + 02 - 2MgO D) 2N2 + 3H2 → 2NH3 E) 2CH4 + 402 - 2002 + 4H20 miches of - x 1? 2 2) Calculate the percentage by mass of ammonia in cisplatin, PtCl2/NH3 12. A) 12.53 B) 5.68 C) 18.09 D) 11.35 E) 4.67 3)...
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 how you got all your answers 15. H.00,(aq) + H,0(I) <-> HCO3(aq) + H,0* (aq) HCO, (aq) + H, O) <->CO (aq) + HBO (aq) According to the equations above, what is the CONJUGATE ACID of HCO,? a. H2CO3(aq) b. H2O(1) 6. H2O*(aq) d. cosº (aq) 16. A flask contains the following chemical system at EQUILIBRIUM. CUCO,(s) - Cu(aq) + 200 (aq) Addition of which of the following substances will increase the solubility of Cucos(s) in water? 1....
could someone please answer and explain the questions please!! #’s 7,8,9,13,14,17,18,19,20 please and thank you What is the oxidation number for the underlined manganese (A)1 (B)2 (C)4(D)(E)7 When balancing the below half-reaction in 8. Which of the following is true concerning a 1. vanic cc A) Oxidation occurs at the cathode and is (B) Oxidation occurs at the anode and is where anions move towards 2. acidic sol electrons are added to ution, where anions move towards side of.the.cquation. where...
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
Please answer all multiple choice All questions need to be answered! Questions 1-20 are multiple choice questions. Please mark the correct circle on the Scantron form. Only the Scantron form will be graded. Scantron must be filled in before time is called Which of the following acids is not a strong acid? 5 HI b. HBr to SEHNO, HF HESO. Venter 2. Which of the following is an example of an empirical formula: a Cs Ho HO LP Fea(SO) d)...