I got this idk if it's correct: For measuring large distances, the kilometer (103 or 1000 meters) is often used. The basic unit of volume in the metric system is the liter (l). The most common derived unit is the milliliter (ml) (10-3 or 1/1000 of a liter). The volume of a milliliter is equal to the volume of a cube 1 centimeter per side.
Answer,googles helps that no chemical will come into contact with your eyes while an apron prevent your clothes being in touch with your clothes
Explanation:
Heat released from the combustion of 45.5 grams of CH4 in excess oxygen gas is calculated as follows
calculate the number of CH4 moles used = mass/molar mass
= 45.5 grams/ 15 g/mol =2.84 moles
heat released is therefore= moles x 890 kj
= 2.84 x 890=2527.6 kj/mol