Given the equation zn (s) + 2 hcl (aq) → zncl2 (aq) + h2 (g), what mass of hydrogen gas is produced when 2.8 g zn is reacted with excess aqueous hydrocholric acid?

In a coffee-cup calorimeter experiment, 10.00 g of a soluble ionic compound was added to the calorimeter containing 75.0 g h2o initially at 23.2°c. the final temperature of the solution was 31.8°c.

The lab just ran out of 1 M HCl that you need to complete the Benzillic Acid lab. The TA tells you there is 12 M HCl in the fume hood. You need to make 10.0 mL of 1.0 M HCl.

Any element in family 18 (the noble gases) Any element in families 1-17 A letter Write a letter answering the question, "Why won't you bond with me?" Be creative and give specific details! ... ?

The three-dimensional structure of macromolecules is formed and maintained primarily through noncovalent interactions.

Is matter in the plasma state the most common in earth. True or False

Which plants convert trash into energy? plants convert trash into energy. The energy produced is known as

The properties of elements are periodic functions of their atomic number is the

How important is the resonance structure shown here to the overall structure of carbon dioxide? how important is the resonance structure shown here to the overall structure of carbon dioxide?

A farmer is analyzing cross sections of his land to determine where to build a well.

A drag racing vehicle travels from 0 to 100 mph in 5 seconds north. what is the acceleration