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Answers on questions: Chemistry
- C Chemistry Show your 6. using the following equation: 2 naohh2so4 -- 2 h2o+na2so4 how many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide...
- C Chemistry Problema (soluciones porcentuales): 1.- Se requiere preparar 100g de una solución de NaOH al 19.9 % (en peso). ¿cuántosgramos de NaOH y H2O se necesitan?...
- C Chemistry What are substances that have the same composition, but different structures, known as? a. ions c. allotropes b. covalent twins d. phenotypes...
- C Chemistry The half-life of a reactive chemical is 20 milliseconds. If you start with 1.76 grams, how much is left after 80 milliseconds?...
- C Chemistry Write the equilibrium constant expression for each of the following reactions. a. C(s) + CO2(g) = 2 CO(g) b. 2 C2H6(g) + 7 O2(g) = 6 H2O(g) +4 CO2 (g) c. CaO(s) +...
- M Mathematics The kinetic energy of an object is given by: Kinetic energy = 1/2 * mass * velocity² If the kinetic energy of the pendulum at the top of its swing is 0, then this...
- P Physics An artillery shell explodes in midair and breaks up into many fragments. Which of the following statements are true regarding conditions immediately before and immediately...
- E English Which theme does this climax most connect with? It takes evil to catch evil. Pride leads to eventual ruin. Bad things happen in groups. Evil cannot stay hidden for...
- M Mathematics Carl spies a potential Sasquatch nest at a bearing of N 9 oE and radios Jeff, who is at a bearing of N 52 oE from Carl s position. From Jeff s position, the nest is...
- S SAT The density of solid aluminum is 2. 70 g/cm3. If a 1g piece of aluminum is dropped in a cup of water, what will happen to the aluminum? (the density of water is 1....
Ответ:
Ernest Rutherford postulated the nuclear structure of the atom, discovered alpha and beta rays, and proposed the laws of radioactive decay. He received the Nobel Prize in Chemistry in 1908.
Erwin Schrödinger proposed the quantum mechanical model of the atom, which treats electrons as matter waves. ... The Heisenberg uncertainty principle states that we can't know both the energy and position of an electron.
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