Chemistry, 17.11.2020 14:00 babyissy2016
Isot pe Practice Here are 3 isotopes of an Element: "2c sc 1ac a. b. نه نه ن و ه ی The name of the element is: The number 6 refers to the: The numbers 12,13, and 14 refer to the: How many Protons and Neutrons are in the first isotope? How many Protons and Neutrons are in the second isotope? How many Protons and Neutrons are in the third isotope? d. e. Isotope Name Atomic Mass # of Protons Atomic Number # of Neutrons # of Electrons 92 92 uranium-235 92 146 92 uranium-238 10. 5 boron-10 5 5 boron-11
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Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
Answers: 1
Chemistry, 22.06.2019 10:30
Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?
Answers: 3
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Isot pe Practice Here are 3 isotopes of an Element: "2c sc 1ac a. b. نه نه ن و ه ی The name of the e...
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