What does the second law of thermodynamics say about entrophy

Whats proton by your own words

Identify all of the following that are chemical changes: a. leaves turning color in the fall b. dew forms on a blade of grass c. ethanol evaporates d. sugar dissolves in water e. dry ice sublimes f. charcoal burning

What element is this? How do you know?

What job did faraday hold

Tungsten-187 has a half life of 1.00 days. How much of a 10g sample will be left after 1 day, 2 days, 3 days, 4 days, 5 days, 6 days, and 7 days?

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda