pretty sure its A
water being boiled in a pot shows a phase change from liquid water to gaseous water when it evaporates
all other choices are just changing its form or shape basically, solid to solid
Answer:
95.2 - 40.8 = 54.4 g of oxygen
number of moles = mass (g)/ Mr
no. of moles of carbon = 40.8/12 = 3.4
no. of moles of oxygen = 3.4
divide both by smallest value which is 3.4 and you’ll get 1 mole of carbon and 1 mole of oxygen therefore the empirical formula is CO
Explanation:
hope this helps :)
I’m pretty sure you add, multiply, subtract, & divide
(E) ionic aluminum fluoride (AlF3)
