given the following reaction: CuO (s) + H2 (g) to Cu (s) + H2O (g). If 250 L of hydrogen gas are used to reduce copper (II) oxide at STP, what mass of copper is to be expected?

What are three physical properties of a bent aluminum can?

If you dropped a basketball in a bucket of water, would it sink or float?

If element X bonds covalently with element Y, then what must the electronegativity difference between X and Y be for this bond to be nonpolar?

Why are the top of sea mounts flat?

Homework q - what is the scientfic term when something expands or gets f=bigger

Which of the following would be a result of increased solar activity? A. Longer winters B. Warmer-than-normal sea surface temperatures C. Colder-than-normal sea surface temperatures D. Shorter summers

The electron configuration of an element is 1s22s22p63s23p64s1. why is this a representative element?

Why is scientific notation important in chemistry?

During translation, the new polypeptides are often directed to specific parts of the cell by the presence or absence of short sequences of amino acids called signal sequences.

Is potassium iodide an electrolyte or nonelectrolyte?