Analysis of a reaction mixture showed that it had the composition 0.411 mol/L N2, 0.535 mol/L H2, and 0.118 mol/L NH3 at 800 K, at which temperature Kc = 0.278 for N2 (g) + 3 H2 (g) ⇀↽ 2 NH3 (g). Calculate the reaction quotient Qc.

Which of the following is a test for aldehydes? flame test acid test Butler's test Fehling's test

What are examples of fossil fuels?

Which scientist first discovered that white light is a mixture of a rainbow spectrum of light rays? a. James Watt b. Marie Curie c. Isaac Newton d. Benjamin Franklin e. Galileo Galilei

A mixture of gases contains methane, CH4, ethane, C2H6, and propane, C3H8. If the total pressure is 1.5 atm and the number of moles of the gases present is. 31 mole for methane,.25 mole for ethane, and.

Which of the following is a molecule but NOT an element? A. O2 B. CO2 C. N2 D. H2

A specific, electrically neutral atom of boron has 5 protons, 5 electrons, and 6 neutrons. what is the mass number of this atom of boron? 6 5 11 16

When does hail happen?

For the reaction, calculate how many moles of the product form when 0.012 mol of O2 completely reacts. Assume that there is more than enough of the other reactant. 4Al (s) + 3O2 (g) →2Al2O3 (s) Express your answer using two significant figures.

Nuclei with too many or too few neutrons are?

Be sure to answer all parts. Enter the formula for potassium dihydrogen phosphate and determine its molecular (formula) mass.