Chemistry, 25.07.2019 09:00 dathanboyd
Which of the following does not show the law of conservation of mass? \ a. 24 g of mg burn in 32 g o2 to produce 56 g of mgo. b. 18 g of mg burn in 24 g o2 to produce 24 g of mgo. c. 2 atoms of mg react with 1 molecule of o2 to produce 2 units of mgo. d. 1 atom of mg reacts with 1 atom of o to produce a unit of mgo that contains 2 atoms.
Answers: 1
Chemistry, 22.06.2019 01:30
If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)
Answers: 3
Chemistry, 22.06.2019 06:00
How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
Answers: 2
Chemistry, 22.06.2019 11:10
Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear
Answers: 1
Which of the following does not show the law of conservation of mass? \ a. 24 g of mg burn in 32 g...
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