Answers: 3
Chemistry, 22.06.2019 22:30, angelagonzalesownus1
Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.
Answers: 1
Chemistry, 23.06.2019 05:00, neidaq12345
110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?
Answers: 1
Chemistry, 23.06.2019 07:20, msladycie8831
F1.5 mol of nabh4 react, how many moles of b2h6 are formed? 2 nabh4(aq) + h2so4(aq) → 2 h2(g) + na2so4(aq) + b2h6(g)
Answers: 1
Hi :) how to test if a solution is neutral?...
Mathematics, 06.05.2020 20:57
Mathematics, 06.05.2020 20:57
Mathematics, 06.05.2020 20:57
Physics, 06.05.2020 20:57
Geography, 06.05.2020 20:57
English, 06.05.2020 20:57