Whats the answer to the question?

Suppose that you carefully weigh pieces of zinc and copper metal and construct a voltaic cell. After allowing the current to flow for some time, you carefully dry the pieces of metal and weigh them again.

How long does a hydrogen bond last in water

What is the mass of a neutron?

How often does the water cycle occur on earth? A) all the time B) once per month C) once per week D) Once per year

What best describes the density of the outer planets?

Aldo drove 420 miles using 18 gallons of gas. at this rate, how many gallons of gas would he need to drive 357 miles

How many grams of As2S3 are in 3.25 moles?

How does a solid turn into a liquid

What does the Ka represent in the equation and why is it important?

Is an american alligator a autotroph?