# chemistry

i mean state symbols for the equation:
2Mg + O2 = 2MgO

1. 👍 0
2. 👎 0
3. 👁 230
1. Mg is a solid, O2 is a gas, and MgO is a solid (but smoke comes from the reaction, but the ash you see is in fact a solid).

1. 👍 0
2. 👎 0

## Similar Questions

1. ### chemistry

How many grams of MgO are produced when 40.0grams of 02 react with Mg? 2mg+O2--->2mgO Could you please set the problem up? I think the answer is 101, but I do not know how to get that answer. Thank you

asked by Connie on October 1, 2011
2. ### Chemistry

Which of the following reactions are spontaneous (favorable)? A] 2Mg(s) + O2(g) -> 2MgO(s) Delta G = -1137 kJ/mol .. B] NH3(g) + HCl(g) -> NH4Cl(s) Delta G = -91.1 kJ/mol ... C] AgCl(s) -> Ag+(aq) + Cl-(aq) Delta G = 55.6 kJ/mol

asked by Kat on March 8, 2012
3. ### Chemistry

Which equation shows conservation of mass and charge? A.NH4Br → NH3 + Br2 B. 2Mg + Fe3+ → Mg2+ + 3Fe C. H2SO4 + LiOH → Li2SO4 + H2O D. Cu + 2Ag+ → Cu2+ + 2Ag It's either b or d, since they both have two elements with an

asked by Angie on May 21, 2011
4. ### Chemistry

Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) 2. 2Na(s) + Cl2(aq) → 2NaCl(s) 3. 2Mg(s) + O2(g) → 2MgO Identify the oxidation-reduction reactions among the following: 1

asked by Beth on October 3, 2016
5. ### chemistry

Calculate the mass of Mg metal requied to consume 2560g of CO2 in the reaction 2Mg+CO2 → 2MgO + C

asked by Anonymous on August 18, 2017
1. ### physics help!

A uniform stationary ladder of length= 5.1 m and mass= 15 kg leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ = 0.41.

asked by Michelle on April 10, 2014
2. ### chemistry

For the question(s) that follow, consider the following equation. 2Mg + O2¨ 2MgO How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg?

asked by Anonymous on April 27, 2010
3. ### Chemistry

Identify the oxidation-reduction reactions among the following: 1. Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) 2. 2Na(s) + Cl2(aq) → 2NaCl(s) 3. 2Mg(s) + O2(g) → 2MgO 1 and 2 only 2 and 3 only 1 and 3 only All of 1, 2, and 3 None of

asked by Jessica on October 2, 2016
4. ### chemistry

When magnesium metal (Mg) is burned, it forms MgO. How many moles of oxygen gas (O2) are needed to burn 20 moles of Mg? The balanced equation is: 2Mg + O2 --> 2MgO

asked by nuzhat on April 30, 2020
5. ### Chemistry

Which of the reactions are spontaneous (favorable)? a. 2H2O(g)⟶2H2(g)+O2(g) Δ𝐺=457 kJ/mol b. CH4(g)+2O2(g)⟶CO2(g)+2H2O(l) Δ𝐺=−820 kJ/mol c. 2Mg(s)+O2(g)⟶2MgO(s) Δ𝐺=−1137 kJ/mol d. C(s)+H2O(l)⟶CO(g)+H2(g)

asked by Anon on April 29, 2020
6. ### chemistry

give the state symbols of the reaction: 2H2 +O2 =2H2O

asked by christiana on September 12, 2011