What mass of iron would require 235 joules of energy to increase the temperature by 10. degrees Celsius?
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Which is the layer underground where all empty spaces are filled with a combination of air and water ?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

How much energy is made when a pice of wood burns. how do you know