Please help! The temperature of a sample of water increases by 70.2 °C when 24 500 J are applied
The specific heat of water is 4.18 J/g °C. What is the mass of the sample of water?

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *