Hi there!
We can use the following conversions to solve:
Total mass --> amount of mols --> amount of atoms (Avogadro's number)
Begin by calculating the amount of boron trifluoride in 3.61 grams:
3.61 g * (1 mol BF₃ / 67.8 g) ≈ 0.0532 mol BF₃
Use avogadro's number to convert:
0.0532 mol * 6.02× 10²³atoms / 1 mol = 3.203 × 10²² atoms
Answer:
Explanation:
The easy way is knowing that all gases basically are 22.4 L/mol at SATP.
There fore 3.45 L/22.4 L/mol =0.154 mol
Or use PV=nRT
n=(1 atm)(3.45L)/(273 K)(0.82 L atm)/(mol K) =0.154 mol
same answer
Answer:
Explanation:
2C₈H₁₈ + 25O₂ → 16CO₂ + 18H₂O
The reaction above is a typical combustion reaction which are very common with hydrocarbons. Combustion occurs in the presence of oxygen to product carbon dioxide and water. The purpose of this reaction is to transform chemical energy into useful heat energy. Most times, the oxygen used is always in excess of the hydrocarbon reacting with it.
To be effective, collisions between atoms must occur with the proper orientation and also the proper amount of energy.
<h3>What is the loss of kinetic energy due to the collision?</h3>
An inelastic collision is a collision in which there is a loss of kinetic energy. While the momentum of the system is conserved in an inelastic collision, the kinetic energy is not. This is because some kinetic energy has been transferred to something else.
In this case, is necessary have energy to be effective, so collisions between atoms must occur with the proper orientation.
See more abour energy at brainly.com/question/1932868
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I think it’s D the melting point everything else doesn’t really make sense