Is salt (NaCl) a compound or a
element
Element, compound...
Answers: 2
Chemistry, 22.06.2019 04:40
Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)
Answers: 2
Chemistry, 22.06.2019 11:00
An object becomes electrically charged when: electrons are created in it electrons from it are destroyed electrons are transferred to it protons from it are destroyed protons are created in it
Answers: 1
Chemistry, 22.06.2019 14:30
1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?
Answers: 3
Chemistry, 23.06.2019 01:00
Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.
Answers: 2
Mathematics, 16.12.2020 17:30
Mathematics, 16.12.2020 17:30
Physics, 16.12.2020 17:30
Mathematics, 16.12.2020 17:30
History, 16.12.2020 17:30
Mathematics, 16.12.2020 17:30
History, 16.12.2020 17:30
Mathematics, 16.12.2020 17:30
Biology, 16.12.2020 17:30
Mathematics, 16.12.2020 17:30
Mathematics, 16.12.2020 17:30