Answers: 2
Chemistry, 22.06.2019 15:00
Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.
Answers: 2
Chemistry, 23.06.2019 06:30
1.17 mol hcl and 2.5 mol naoh react according to the equation hcl + naoh -> nacl + h2o . if the limiting reactant is hcl, determine the amount of excess reactant that remains. answer in units of mol.
Answers: 1
Chemistry, 23.06.2019 07:10
Which one of the following is an oxidation-reduction reaction? naoh + hno3 --> h2o + kno3 naoh + hno3 --> h2o + kno3 so3 + h2o --> h2so4 cacl2 + na2co3 --> caco3 + 2 nacl ch4 + 2 o2 --> co2 + 2 h2o al2(so4)3 + 6 koh --> 2 al(oh)3 + 3 k2so4
Answers: 3
What’s your insta I’m a boy...
Mathematics, 30.08.2019 09:30
Health, 30.08.2019 09:30
Mathematics, 30.08.2019 09:30
Mathematics, 30.08.2019 09:30
Advanced Placement (AP), 30.08.2019 09:30
English, 30.08.2019 09:30
Mathematics, 30.08.2019 09:30
Mathematics, 30.08.2019 09:30
Social Studies, 30.08.2019 09:30
Social Studies, 30.08.2019 09:30
Social Studies, 30.08.2019 09:30