Answer:
the fastest would be gas, liquid would be in the middle and solid would be the slowest
Explanation:
This is a compound, i remember it because it looks like 3 balls being pushed together.
Answer:
The time recorded in the lab notebook is shorter than the true reaction time because the reaction starts the moment the two solutions were mixed
Explanation:
A chemical reaction is "a process that involves rearrangement of the molecular or ionic structure of a substance, as distinct from a change in physical form or a nuclear reaction" (Oxford dictionary).
A chemical reaction begins immediately the reactants are mixed together in a reaction vessel because the particles of the reactants immediately begin to collide with each other. There is no lost time before reactions begins!
This implies that, the time recorded in the lab notebook is shorter than the true reaction time because the reaction starts the moment the two solutions were mixed.
Molar mass:
iron = 55.8 g/mol
Sulfur = 32.0 g/mol
Number of moles
53.70 / 55.8 = 0.96 moles
46.30 / 32.0 = 1.44 moles
Using the values determines the entire lower proportion in moles of the elements, just divide by the smaller one
Fe = 0.96 / 0.96
Fe = 1 mole
S = 1.4 / 0.96
S = 1.5 moles
multiply them by 2.
iron : 2 * 1 = 2
Sulfur : 1.5 * 2 = 3
<span> the empirical formula is Fe</span>₂<span>S</span>₃
hope this helps!
I know the temperature of the gas is proportional to the average kinetic energy of its molecules. Faster moving particles will collide with the container walls more frequently and with greater force. This causes the force on the walls of the container to increase and so the pressure increases. Hope it helps.