How did he know that the nucleus was positively charged?

Convert 1.25 atm to bar.

Compare table salt and glucose

The gene for curled ears is dominant over the gene for straight ears (e). If you crossed a cat with curled ears (Ee) and a cat with straight ears (ee), what percent of the offspring are expected to have curled ears?

A scientist is studying the natural feeding habits of tigers. In order to obtain the best data, which approach should the scientist use? A. perform tests in the laboratory B. observe tigers in the zoo C. observe tigers in the wild D.

A rocky hill cracks after water settles and freezes. Several trees on the hill tilt due to the very slow downhill movement of rock and soil. The movement occurs over a long distance. Which type of mass movement does this describe? A. creep. B.

Which atom has the highest ionization energy? why is the ionization energy in trat atom greater?

A 0.2 M carboxylic acid (RCOOH) has a Ka = 1.66x10-6. What is the pH of this solution? Enter to 2 decimal places.

How far is the milkyway to the earth

Choose all the answers that apply. Which of the following has kinetic energy? rolling ball, moving car, book on a table, spinning top, or a falling tree.

Calculate the grams of solute needed to prepare each of the following solutions. 1.8 L of a 5.5 M NaOH solution