urgent Please answer these questions on your Page 6(a)The percent composition of an unknown substance is 46.77% C, 18.32% O, 25.67% N, and9.24% H. What is its empirical formula? The molar masses of C, O, N, and H are 12.01, 16.00, 14.01,and 1.01 g/mol.(b)What is the total mass of products when we do the complete combustion (its reaction withO₂(g) to produce CO₂(g) and H₂O(1)) of 22.2 g of C6H12O(l)? The molar masses of C, O, and H are12.01, 16.00, and 1.01 g/mol.

Dear student since you have posted multiple questions. As per BARTLEBY QnA guidelines we are allowed…

(a) The percent composition of an unknown substance is 46.77% C, 18.32% O, 25.67% N, and 9.24% H. What is its empirical formula? The molar masses of C, O, N, and H are 12.01, 16.00, 14.01, and 1.01 g/mol. (1) WL

(a) The percent composition of an unknown substance is 46.77% C, 18.32% O, 25.67% N, and 9.24% H. What is its empirical formula? The molar masses of C, O, N, and H are 12.01, 16.00, 14.01, and 1.01 g/mol. (1) WL

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Complete the following table. Round each of your answers to 3 significant digits. food an ounce of breakfast corn flakes an ear of cooked corn a chocolate chip cookie cal energy content when eaten 1.10 x 107 kcal B 85.0 ☐ kJ 0 0 188.
Draw the starting alkene that would lead to these major products under these conditions. Drawing H₂ Pd/C 11
[References] A serving size of nine cookies contains 7 g of fat, 24 g of carbohydrates, and 9 g of protein. If walking 1 mile consumes 170 kJ of energy, how many miles must you walk to burn off enough calories to eat nine cookies? Assume the energy content of fats, carbohydrates, and proteins are 8 kcal/g, 4 kcal/g, and 4 kcal/g, respectively. 1 cal = 4.184 J. miles Submit Answer Try Another Version 3 item attempts remaining
2Cr(s) + 3Cu2+(aq) ⟶ 2Cr3+(aq) + 3Cu(s) Calculate the Ecell
Please explain and show the steps to how you got this!
Oceanic uptake of carbon dioxide is thus described:CO2 (g) + H2O ⇔ H2CO3, K = [H2CO3]/PCO2 = 3 x 10-2 M atm-1 H2CO3 ⇔ HCO3- + H+, K = [HCO3-][H+]/[H2CO3] = 9 x 10-7 moles/LHCO3- ⇔ CO32 - + H+, K = [CO32 -][H+]/[HCO3-] = 7 x 10-10 moles/LCharge balance equation:[H+] = [OH-] + [HCO3-] + 2[CO32 ] If the CO2 concentration in the atmosphere is 300 ppm, what is the pH of the ocean?
→ C app.101edu.co STARTING AMOUNT esc 1 X 2 F2 CO #m 3 1 The average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour ? J ADD FACTOR * ( ) X 4184 F4 $ 4 cal 0 349 2.00 × 10³ F5 % 5 kJ Question 26 of 35 O 1000 2.01 x 10⁰ min M 6 31 = 0.001 F7 ANSWER 24 kcal/day O & 7 1.15 x 105 20.0 C F8 S 8 RESET 2 4.184 F9 kcal X 9 F10 60 hr F F11 8 Jan 21 F1Z2 3:17 6 delete Submit + backspac
20.5)
The Nutrition Facts label for one slice of wheat bread gives Nutrition Facts the percent daily value of various nutrients based on a 2,000-kcal diet. Based on the percent daily values for the nutrients, calculate how many grams of each nutrient are Serving Size: 1 slice (25g) Amount Per Serving Calories 76 Calories from Fat 9 suggested daily for a 2,000-kcal diet. % Daily Value Total Fat 1.02 g 296 Saturated Fat 0.23 g 196 Trans Fat Cholesterol 0 mg Dietary fiber: Sodium 145.75 mg 696 Potassium 81.5 mg 296 Total Carbohydrate 12.79 g 496 Dietary Fiber 2.3 g g96 Sugars 1.44 g Total fat: Sugar Alcohols Protein 4.07 g Vitamin A 1 IU 0% Vitamin C 0 mg 0% Calcium 32.5 mg 3% Saturated fat: Iron 0.74 mg 4% Sodium: obout us careers privecy policy terma of uae contact us help Lr O 79°F
do it for me
_engine.html?ClassID=D1746475745#3 Drie. 0.700 g of an impure FeCl3 sample are dissolved in water to create 50.0 mL of solution. It took 1.54 x 10-3 mol H2C204 to reach the equivalence point. 2FE3+ (aq) + H2C204(aq) CO2(g) + 2H*(aq) + 2FE2+(aq) -> How many moles of FeCl3 react? 1? [? ]x 10 mol FeCl3 Coefficient (green) Exponent (yellow) Enter
The average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour? # 3 69 2.00 × 10³ 80 F3 ADD FACTOR S x( ) SA 4 1000 kcal/day 000 000 F4 0.001 % 5 1 cal 리니! F5 4184 < C 60 days hr ditv F6 2 4.184 = 2.01 * 106 1.15 * 105 kJ/hr kJ RA ANSWER MacBook Air & 7 349 F7 J 13 * 8 F8 24 kcal - RESET 5 9 20.0 min POR DE F9 O F10