Magnesium burns in air with a dazzling brilliance to produce magnesium oxide:                         2Mg(s) + (g) → 2MgO(s)When  3.00 g of magnesium burns, the theoretical yield of magnesium oxide is ________ g.

Does this look familiar?   Learning Activities

Lead (II) carbonate decomposes to give lead (II) oxide and carbon dioxide:  How many grams of lead (II) oxide will be produced by the decomposition of 2.50 g of lead (II) carbonate?

Give the symbol for magnesium.

Determine the velocity of a medicine ball (m = 10.0 kg) with a wavelength of 1.33 × 10-35 m.

One of the classic ways of defining a gas in comparison to, for example, a solid, is that the gas expands to fill all of the space in its container, whereas the solid has a fixed shape and dimension. Among the following, which represent a molecular-level explanation for this different behavior of a gas and a solid?

An element has three stable isotopes with masses of 27.977 amu, 28.976 amu, and 29.973 amu. The heavier two isotopes have an abundance of 4.68% and 3.09%, respectively. What is the mass of the element? (Hint: There is 100% total for all three)

Which of the compounds C3H8, MgCl2, Zn(NO3)2, OCl2 are expected to exist as molecules?

Chromium (Cr) is used in many engineering applications, to harden steel and make other metal alloys. The density of chromium is 7.2 g/cm3.  How many moles of chromium are there in a 1 cm3 cube of chromium (to 2 decimal places)?

Which of the following is the highest grossing film of all time in America?