Consider this equilibrium: 3Fe (s) + 4H2O (l) Fe3O4 (s) + 4H2 (g). What is the Keq expression for this equilibrium?

What gives Kevlar its bulletproof strength? the hydrogen bonds between polymer chains aromatic stacking the carbonyl groups which are placed between oxygen atoms nitrogen - hydrogen bonds

A sample of gas occupies a volume of 120.0 mL at a pressure of 0.75 atm and a temperature of 22°C What will the volume be at a pressure of 1.25 atm and a temperature of 70.0°C?

As additional KNO3 (s) is added to a saturated solution of KNO3 at constant temperature, the concentration of the solution? (I know it remains the same but why?)

What is a magnetic reversal

The isotope of an atom containing 40 protons and 51 nuetrons suddenly has two nuetrons added to it. What isotope is created?

Which of the following statements would be best described as an expression of an attitude that is low in accessibility and high

Which of these are physical changes in matter chech all that apply Boiling water A pencil being sharpened Exploding dynamite Freezing water Rotting cheese

If the total atmospheric pressure is 760.00 mmHg what is the partial pressure of CO2

Which statement is true? k The letter has neither reflection nor rotation symmetry. k The letter has rotation symmetry only. The letter has reflection symmetry only. The letter has both reflection and rotation symmetry.

What is the product of one equivalent of phosphorus and three equivalents of hydrogen? Draw it's Lewis structure, making sure to include all lone pairs (if necessary).