What are empirical and molecular formulas of ethylene glycol
Ethylene glycol is used as automobile antifreeze. 6.38g og this compound contains 2.47g of carbon and 0.620g of hydrogen. The rest is oxygen. The molar mass is 62.0g/mole. What are the empirical and molecular formulas of ethylene glycol?
Expected delivery within 24 Hours
Silver has two isotopes and an average atomic mass of 107.87 amu. If 48.18% of Ag exists as Ag-109 (108.9047 amu), what is the identity of the other isotope?
find the number of moles of water that can be formed if you have 218 moles of hydrogen gas and 104 moles of oxygen gas.
Calculate the heat transferred, Q when 51.0 ml of 2M NaOH solution and 50.0 ml of 2M HCl are mixed. Assume the final volume of the reaction mixture is 101.0 ml.
A sample of nitrogen occupies 11.2 liters under a pressure of 580 torr at 32?C. What volume would it occupy at 32?C if the pressure were increased to 840 torr? Answer in units of L.
2.47g of carbon and 0.620g of hydrogen. The rest is oxygen. The molar mass is 62.0g/mole. What are the empirical and molecular formulas of ethylene glycol?
Using the knowledge of electrochemistry explain why the person who has dental amalgam in their teeth when bites aluminium foil experience momentary sharp pain in their mouth.
(a) What is the change in pH when [OH -] increases by a factor of one hundred? (b) What is the change in [H3O+] when the pH decreases by two units?
Given the osmotic pressure of the solution was 1.50 x 10-3 atm and the temperature is 298.0K, calculate the molar mass of the protein.
If a 2.4 reaction vessel initially contains 721 of cyclopropane at 485 , how long will it take for the partial pressure of cylclopropane to drop to below 104?
1949431
Questions Asked
3,689
Active Tutors
1435387
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
According to Dr. Melissa Lem, what are some examples of developmental outcomes for infants as a result of climate change?
Question: Which of the following best describes the concept of evocative gene-environment correlation?
During meiosis (the formation of reproductive cells), what process can lead to chromosomal variations in a developing embryo?
Explain why damage to the extrapyramidal motor system does not result in paralysis of voluntary movement or general spasticity,
The DNA of dizygotic twins is? Need Assignment Help? Group of answer choices as alike as the DNA of any two full siblings.
Question: The distinction between complex and polygenic traits is that?
Question: What happens when a nodal cell's membrane returns to resting membrane potential?