Consider the balanced equation below. 4NH3 + 3O2 - - > 2N2 + 6H2O What is the mole ratio of NH3 to N2?

Gasohol is a mixture of ethanol and gasoline. C2H5OH (l) + O2 (g) CO2 (g) + H2O (g) Balance the equation. (Use the lowest possible coefficients. Include states-of-matter under the given conditions in your answer.

How many moles are present in 454 grams of CO2? A. 10.31 mol B. 4.54 mol C. 37.83 mol D. 14.18 mol E. 1.3 mol

Grinding a seltzer tablet into powder increases the rate of reaction due to an increase of which factor? Temperature Surface area Reactants Concentration

What is the molarity of an aqueous phosphoric acid solution if 13.13 mL is completely neutralized by 19.64 mL of 0.09291 M NaOH? Collapse question part Part 1 Incorrect answer.

If this atom has a balanced charge, how many protons would you expect to find in this atom? 0 2 4 6

A system consists of two components, each of which must activate if the system is to activate. One component has a reliability of. 99. The other has a reliability of. 95. The components are independent of one another with respect to reliability.

Which of the following energy level changes for an electron is most energetic? 3 → 2 5 → 2 4 → 2

Is baking soda a element compound homogeneous mixture or heterogeneous mixture?

For the reaction: C (CH3) 3I + Cl - → C (CH3) 3Cl + I- What is the activation barrier for the SN2 reaction mechanism, in units of kcal/mol? Provide your answer to the nearest 0.1 kcal/mol.

Which of the following utilizes the measurement of a short - or long-lived radioactive element, with its decay product, to determine the absolute age of an object? A. varves B. radiometric dating C. dendrochronology