Since there is more energy added as heat rises, the particles disperse and have larger movements.
1. It is something we don't have to worry about ever losing.
2. We can use quite a bit of it.
3. Renewable energy saves us from wasting non reusable energy
4. We have something to use when we run out of non reusable energy
5. The energy is is helpful with everyday things.
Solid Magnesium is considered as active metal so it reacts with strong acids like HCl and H₂SO₄ liberating Hydrogen gas according to the following equations:
Mg(s) + 2 HCl(aq) → MgCl₂(aq) + H₂(g)
Mg(s) + H₂SO₄(aq) → MgSO₄(aq) + H₂(g)
so the amount of solid magnesium decrease by addition of strong acid to it.
Answer:HCl(aq) + NaOH (aq) -> NaCl (aq) + H2O(l)
Explanation:
The reaction of HCl and NaOH is a neutralization reaction. When an acid and a base react salt and water is produced.
HCl(aq) + NaOH (aq) ----> NaCl (aq) + H2O(l)
Because the reactants and products are ionic compounds, they exist as ions in a solution.
H+(aq) + Cl-(aq) + Na+(aq) + OH-(aq) -------> Na+(aq) + Cl-(aq) + H2O(l)
The aim of a neutralization reaction is the formation of water. Na+(aq) + Cl-(aq) remain the same on both the reactants side and the products side, the net ionic reaction will be
H+(aq) + OH-(aq) -------> H2O(l)
Answer: Option (a) is the correct answer.
Explanation:
Sodium bromide (NaBr) is an ionic salt as it is formed by transfer of an electron from sodium to bromine atom.
Whereas 
, HCN, 
and 
are all covalent compounds. And, all of them exists as a gas at room temperature.
Also according to rate of diffusion law, rate of diffusion is inversely proportional to square root of molecular weight of gas.
Mathematically, Rate of diffusion = 
Out of the given options NaBr has the highest molecular weight which is 102.894 g/mol.
Thus, we can conclude that NaBr is most likely not a gas at room temperature.
