1) Mg (s) + 2 H + (aq) - --> Mg2 + (aq) + H2 (g)  H°12) Mg2 + (aq) + H2O (l) - --> MgO (s) + 2 H + (aq)  H°23) H2 (g) + 1/2 O2 (g) - --> H2O (l)  H°34) Mg (s) + 1/2 O2 (g) - --> MgO (s)  H°4

What is the lowest atomic number a new element can have

Why cant you use pure sodium for cooking

If total pressure of multiple gases is 512 mmHg, and the pressure of oxygen gas is 332 mmHg and the pressure of carbon monoxide is 113 mmHg, what is the remaining pressure using Dalton's Gas Law?

What did thomson discover? A) the nucleus B) the electron C) the proton D) the neutron

During Trial 2, what allowed you to determine that aluminum was the limiting reactant? Check all that apply. All of the copper dissolved. All of the aluminum dissolved. The solution turned clear.

When a counterfeit detection pen is used on an authentic bill, what color does it turn? a. Pale blue b. Pale yellow c. Blue-black d. Pale pink

Why are the outer-most electrons the only ones included in the electron dot diagram?

What is the relationship between law of conservation and chemical reaction?

How quickly must non-frozen ready-to-eat foods be consumed? 24 hours . 48 hours . 3 days . 7 days

I need a essay on what I learned in chemistry