A 135 gram sample of aluminum at 400°C is placed in water at 25°C. The final temperature of
the system is 80°C. Find the mass of the water.

When the water vapor cools it condenses select a number that represents his process on the

Which of the following units is not an official si unit

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space