# science

how do you balance the equation below?

Mg + O2 > MgO

1. 👍 0
2. 👎 0
3. 👁 68
1. Mg + O2 ==> 2MgO

1. 👍 0
2. 👎 0
2. Pls help i have a homework i don't no how to balance this mg +o2.....>mgo

1. 👍 0
2. 👎 0

## Similar Questions

1. ### chemistry

1) MgO (s) + 2H (aq) -> Mg+2 (aq) + H2O (l) 2) Mg+2 (aq) + H2 (g)-> Mg(s) + 2H+ (l) 3) equation 1+ equation 2 = MgO (s) + H2 (g) -> Mg (s) + H2O (l) is it correct? if so, i need to write an expression which could be used to obtain

asked by sari on October 12, 2011
2. ### Chemistry

Calculate how many grams of MgO that can be produced from 4.58 of Mg metal and 0.99 of O2 gas. Recall the balanced reaction is: 2 Mg (s) + O2 (g) 2 MgO (s) And the answers to part one were: Moles of MgO from 4.58 g Mg = 0.1884

asked by Ben on March 28, 2016
3. ### chem

Using the balalnced chemical equation, how many grams of MgO are produced when 31.0 grams of O2 react completely with Mg? 2 Mg + O2 → 2 MgO Molar Mass Mg = 24.3 g/mol O2 = 32.0 g/mol MgO = 40.3 g/mol 55.7 78.1 89.1 111.3

asked by chris on October 16, 2016
4. ### chemistry

How would you solve this problem?... magnesium metal reacts rapidly in hot water. Predict the mass of pericipitate that will form if a 2.0g strip of magnesium reacts completely with water. *Use the 5-step method* *Answer: 4.8g* I

asked by B on October 24, 2006
5. ### chemistry

I'm trying to figure out what went wrong during my freshman chem lab. We were figuring out the enthalpy of formation of MgO(s). MgO(s) + 2H+(aq) -> Mg2+(aq) + H2O(l) dHrxn = -334.83kJ/mol Mg(s) + 2H+(aq) -> Mg2+(aq) + H2(g) dHxrn

asked by Louie on April 5, 2013
6. ### Chem Simple question

Magnesium metal burns in oxygen to form magnesium oxide, MgO. (a) Write a balanced equation for the reaction Why is it 2Mg+O2->2MgO and not Mg+O->MgO

asked by Julie on September 29, 2013
7. ### Chem

Balance the chemical equation given below, and determine the number of grams of MgO needed to produce 15.0 g of Fe2O3. _MgO(s)+_Fe(s)->_Fe2O3(s)+_Mg(s) 1. a. 11.4 g 2. b. 3.78 g 3. c. 1.26 g 4. d. 0.0877 g I got equation balanced

asked by Mark on April 24, 2010
8. ### Chem

How do I calculate the heat released by 1 mole MgO Given: 0.5 g of MgO Heat gained by acid is 1337.6 kJ I calculated the moles for MgO which I got 0.0125 I'm not sure if I'm on the right track...

asked by Rose on April 12, 2016
9. ### Chemistry

How do I calculate the heat released by 1 mole MgO Given: 0.5 g of MgO Heat gained by acid is 1337.6 kJ I calculated the moles for MgO which I got 0.0125 I'm not sure if I'm on the right track..

asked by Rose on April 12, 2016
10. ### chemistry

for each of the following synthesis reaction indentify the missing reactant(s) or product(s) and then balance the resulting equation a) Mg +__________ ----------> MgO b) _________ + O2-----------> Fe2O3 c) Li + Cl2 ------->

asked by john on March 26, 2008

More Similar Questions