When identifying an element the most important subatomic particle to look at is the proton because this is the number that the periodic table is organized by...
For example the element
Hydrogen has 1 proton and it is listed as number on the periodic table
1) protons have a positive charge
2) electrons have a negative charge
3) neutrons have a neutral charge
Answer:
A mole is the amount of pure substance containing the same number of chemical units as there are atoms in exactly
12 grams of carbon-12 (i.e., 6.023 X 1023).
Explanation:
Answer:
Change in temperature of calorimeter is 
Explanation:
Molar mass of anethole = 148.2 g/mol
So, 0.950 g of anethole = 
of anethole = 0.00641 moles of anethole
1 mol of anethole releases 5541 kJ of heat upon combustion
So, 0.00641 moles of anethole release 
of heat or 35.52 kJ of heat
7.854 kJ of heat increases 
temperature of calorimeter.
So, 35.52 kJ of heat increases 
or temperature of calorimeter
So, change in temperature of calorimeter is
