Answer:
brown precipitate.. d.. option
Answer:
1.7 g N₂
Explanation:
In order to convert moles of nitrogen gas (N₂) to grams, we'll use its molar mass:
- Molar mass of N₂ = (Atomic Mass of N)*2 = (14.00 g/mol)*2 = 28.00 g/mol
- 0.060 mol N₂ * 28.00 g/mol = 1.68 g N₂
0.060 only has two significant digits, so the reported answer should have two significant digits as well. Meaning the answer is 1.7 g.
Answer:
b. reactant molecules collide more frequently and with greater energy per collision
Explanation:
As the temperature of a reaction is increased, the rate of the reaction increases because the reactant molecules collide more frequently and with greater energy per collision. When temperature is increased there is an increase in the kinetic energy of the molecules. The more the molecules move the more they collide. According to the collision theory there should be enough energy to allow bonds to be formed during a chemical reaction hence the need for greater energy per collision. Also the rate of reaction is directly proportional to the number of collisions that occur.
Answer:
<h2>A. 1s2 2s2 2p6 3s2 3p4</h2>
Explanation:
i hope it helps :)
