A chemistry student needs 25.0 g of 2-ethyltoluene for an experiment. He has available 150. g of a 29.5% w/w solution of 2-ethyltoluene in carbon
tetrachloride.
Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button.

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next

The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth