A liquid is placed in an evacuated, sealed flask. When will this closed system reach dynamic equilibrium?

In the synthesis reaction, how many grams of magnesium were there in the crucible before heating?

What is an example of plasmas in nature? A.) Solar Cells B.) Plasma balls C.) Auroras D.) Clouds

The equilibrium constant, Kp, for the following reaction is 9.52Ã10-2 at 350 K: CH4 (g) + CCl4 (g) 2CH2Cl2 (g). Calculate the equilibrium partial pressures of all species when CH4 and CCl4, each at an intitial partial pressure of 0.

What is the most important factor in determining climates.

Which particles are gained and lost during a redox reaction? (1) electrons (3) neutrons (2) protons (4) positrons

Why is flammability is a chemical property and not a physical property.

Select the appropriate coefficient for O2 when the equation? O2 (g) + ? C5H12 (g) →? CO2 (g) + ? H2O (g) is balanced using the smallest possible integers.

If the number of neutrons in an atom is changed, does the atom become a new element? Why or why not? a. Yes. The number of neutrons determines the identity of an atom b. Yes.

What must be true for diffusion of a solute to occur across a partition that separates two compartments?

Salt dissolving in water is what type of property?