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calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from ������=7 to ������=1.
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Chemistry, 21.06.2019 13:00, shahedalahmad2017
What is common about these molecules? a. their atoms are held together by covalent bonds. b. they are all made up of the same two atoms. c. their atoms are held together by ionic bonds. d. they are all made up of oxygen atoms only.
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Chemistry, 22.06.2019 08:40, jeffcarpenter
What is the value of keq for the reaction expressed in scientific notation?
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Chemistry, 22.06.2019 23:10, carmenguabaoql9kv
Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium. b)heavier than helium. c)the same weight as helium. d)dependent on the element that reacted with carbon.
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Chemistry, 23.06.2019 11:00, artiomtyler007
Find the enthalpy of neutralization of hcl and naoh. 87 cm3 of 1.6 mol dm-3 hydrochloric acid was neutralized by 87 cm3 of 1.6 mol dm-3 naoh. the temperature rose from 298 k to 317.4 k. the specific heat capacity is the same as water, 4.18 j/k g. a. -101.37 kj b. 7055 kj c. 10,1365 kj
Answers: 1
calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition...
Mathematics, 11.12.2019 23:31