Please help
Which of these is a way to tell if something is a compound?
A. It can be...
Chemistry, 20.09.2021 14:00, leahpartaka03
Please help
Which of these is a way to tell if something is a compound?
A. It can be physically separated into its component elements.
B. The composition can vary.
C. The properties of the compound are similar to the elements from which they are made.
D. The elements are chemically combined and lose their individual identities and properties
Answers: 1
Chemistry, 22.06.2019 16:30, Eddie997
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Chemistry, 22.06.2019 18:50, christhegreat1
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
Chemistry, 22.06.2019 21:20, 50057543
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
Mathematics, 09.12.2020 19:00
Mathematics, 09.12.2020 19:00
History, 09.12.2020 19:00
History, 09.12.2020 19:00
English, 09.12.2020 19:00