Chemistry, 03.07.2019 13:30 nicky123415
Mass of metal=0.0291. volume of gas collected over water=25.67ml. temperature=24.1c. atmospheric pressure=754.6mmhg. note: metal and gas have a 1: 1 ratio in the balanced equation. the formula weight of the metal is? steps. 1) calculate partial pressure of hydrogen. 2) calculate moles of hydrogen. 3) calculate moles of metal. 4) calculate atomic mass of metal. 5) calculate relative average deviation in ppt
Answers: 1
Chemistry, 21.06.2019 22:30
Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction
Answers: 1
Chemistry, 22.06.2019 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
Chemistry, 22.06.2019 17:20
Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.
Answers: 2
Mass of metal=0.0291. volume of gas collected over water=25.67ml. temperature=24.1c. atmospheric pre...
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