Chemistry, 03.12.2020 03:00 Woodlandgirl14
The chemical equation below shows the burning of magnesium (Mg) with oxygen (O2) to form magnesium oxide
(Mgo).
2Mg + O2 β 2Mgo
Niven wants to calculate the mass of Mgo that is produced by the burning of 28.0 g of Mg. What is the first step in
Niven's calculation?
O Balance the chemical equation.
O Convert grams of Mg to moles.
O Determine whether heat is given off by this reaction.
O Find the number of Mg atoms in the sample.
Answers: 1
Another question on Chemistry
Chemistry, 21.06.2019 13:30
What is the molecular formula of a hydrocarbon with m+ = 166? (write the formula with no subscripts, e.g. c4h10.) what is the sum of rings and double bonds in this compound?
Answers: 1
Chemistry, 23.06.2019 17:30
Describe the type of force which exists between particles in an ideal gas. explain why this type of force exists between the particles.
Answers: 3
Chemistry, 23.06.2019 21:30
How does changing the concentration increase the reaction rate of a chemical change
Answers: 3
Chemistry, 23.06.2019 21:40
Hydrochloric acid reacts with barium hydroxide according to the equation: 2 hcl (aq) + ba(oh)2 (aq) β bacl2 (aq) + 2 h2o (l) Ξ΄h = -118 kj calculate the heat (in kj) associated with the complete reaction of 109 grams of hcl (aq).
Answers: 3
You know the right answer?
The chemical equation below shows the burning of magnesium (Mg) with oxygen (O2) to form magnesium o...
Questions
Mathematics, 22.06.2019 14:30
English, 22.06.2019 14:30
Biology, 22.06.2019 14:30
History, 22.06.2019 14:30
Mathematics, 22.06.2019 14:30
Chemistry, 22.06.2019 14:30
Mathematics, 22.06.2019 14:30
Mathematics, 22.06.2019 14:30
History, 22.06.2019 14:30
