A hydrogen-filled balloon was ignited and 2.10 g of hydrogen reacted with 16.8 g of oxygen. How many grams of water vapor were formed? (Assume that water vapor is the only product.)

Compared to maximum number of electrons that can occupy the d sublevel the max number of electrons that can occupy s sublevel

What molecules have tetrahedral arrangement of electron pairs but is not a tetrahedral molecule. Methane Water Carbon dioxide Boron trifluoride

How do you convert 53.5 kg to g

A 12.5-g marble display 5.0 mL of water. What is its density?

What is a hygrometer?

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?