Chemistry, 19.09.2019 21:20 annarain2004
Part a read the following description of the element zinc and indicate which are physical properties and which are chemical properties. (a) zinc melts at 420 ∘c. (b) when zinc granules are added to dilute sulfuric acid, hydrogen is given off and the metal dissolves. (c) zinc has a hardness on the mohs scale of 2.5 and a density of 7.13 g/cm3 at 25 ∘c. (d) it reacts slowly with oxygen gas at elevated temperatures to form zinc oxide, zno. drag the items into the appropriate bins.
Answers: 2
Chemistry, 21.06.2019 22:30, andaws21
This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry
Answers: 2
Chemistry, 22.06.2019 05:30, medlinalex
Compare and contrast physical changes with chemical changes.
Answers: 1
Chemistry, 22.06.2019 10:40, rntaran2002
What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0
Answers: 2
Chemistry, 22.06.2019 14:00, ashlynneboogs0056
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
Part a read the following description of the element zinc and indicate which are physical properties...
History, 13.12.2019 18:31
History, 13.12.2019 18:31
Mathematics, 13.12.2019 18:31
History, 13.12.2019 18:31
History, 13.12.2019 18:31