Chemistry, 12.10.2020 16:01 lerinmarie
A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?
V
Na
Mg
Se
Answers: 1
Chemistry, 22.06.2019 02:30
Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick
Answers: 2
Chemistry, 22.06.2019 21:20
Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction
Answers: 2
Chemistry, 23.06.2019 05:00
Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
Answers: 1
Chemistry, 23.06.2019 08:50
Why are enzymes important to cells? they bring about chemical reactions. they provide structural support. they form the two layers of membranes. they store large quantities of energy.
Answers: 2
A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?
V
Geography, 04.09.2021 14:00
Mathematics, 04.09.2021 14:00
Mathematics, 04.09.2021 14:00
Mathematics, 04.09.2021 14:00
Physics, 04.09.2021 14:00
Social Studies, 04.09.2021 14:00
English, 04.09.2021 14:00
Mathematics, 04.09.2021 14:00
Mathematics, 04.09.2021 14:00
English, 04.09.2021 14:00
History, 04.09.2021 14:00
Social Studies, 04.09.2021 14:00
Physics, 04.09.2021 14:00