Answers: 2
Chemistry, 22.06.2019 12:00
In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =
Answers: 1
Chemistry, 22.06.2019 23:30
With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
Answers: 3
Chemistry, 23.06.2019 11:40
An electron moved from a lower energy level to a higher energy level. what most likely happened during the transition? a random amount of light was released. a fixed amount of energy was absorbed. a fixed amount of energy was released. a random amount of light was absorbed.
Answers: 1
Chemistry, 23.06.2019 13:30
The zinc within a copper-plated penny dissolves in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can reach the zinc). the reaction between the acid and the zinc 2h+(aq)+zn(s)βh2(g)+zn2+(aq) . when the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 Β°c is 0.947 l at a total pressure of 743 mmhg . (vapor pressure of water is 23.78 mmhg at 25 Β°c .) what mass of hydrogen gas is collected? answer in appropriate significant figures
Answers: 3
Why are surface currents found at the top of the oceans...
Mathematics, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
History, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
Biology, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50
Mathematics, 16.04.2021 22:50