AND PLEASE SHOW WORK !
1. Ibuprofen, a common headache remedy, has an empirical formula of C7H...
Chemistry, 02.06.2020 22:58 jayycruz59
AND PLEASE SHOW WORK !
1. Ibuprofen, a common headache remedy, has an empirical formula of C7H9O and a molar mass of approximately 215 g/mol. Find the molecular formula.
2. Determine the empirical formula and molecular formula for a compound composed of 1.04g K, 0.700 g Cr, and 0.86g O. Its molar mass is 388 g/mol.
3. Serotonin is a compound that conducts nerve impulses in the brain. It contains 68.2% C, 6.86% H, 15.9% N, and 9.08% O. Its molar mass is 176 g/mol. What is its empirical formula and molecular formula.
Answers: 2
Another question on Chemistry
Chemistry, 22.06.2019 02:10
When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)
Answers: 3
Chemistry, 22.06.2019 14:30
Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
Answers: 1
Chemistry, 22.06.2019 16:00
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
Chemistry, 23.06.2019 03:00
Use the half-reactions of the reaction au(oh)3 + hi -> au +i2 +h2o to answer the questions
Answers: 1
You know the right answer?
Questions
English, 07.01.2021 02:30
Mathematics, 07.01.2021 02:30
Mathematics, 07.01.2021 02:30
Mathematics, 07.01.2021 02:30
Spanish, 07.01.2021 02:30
Mathematics, 07.01.2021 02:30
Spanish, 07.01.2021 02:30
Chemistry, 07.01.2021 02:30
Mathematics, 07.01.2021 02:30
