Hey there!:
The law of boyle is used:
initial pressure ( P1 ) = ?
initial volume ( V1 ) = 13 L
final pressure ( P2 ) = 1.8 atm
final volme ( V2 ) = 5 L
P1 *V1 = P2 * V2
P1 * 13 = 1.8 * 5
P1 * 13 = 9
P1 = 9 / 13
P1 = 0.692 atm
Hope this helps!
Answer:
B. 65
Explanation:
arrange your numbers as:
63,64,66,69
add 64 and 66 together to get 130 then divide by 2
-or just think about what number is between 64 and 66
Here are the answers:
Tools that magnify object are the following: Telescope, microscope, binoculars and magnifying glass
Tools that don't magnify are the following: ruler, radio dish, and streak plate wind vane
Hope this answers your question. Have a great day ahead!
When water is heated, the molecules in the water vibrate and some of them escape into the air, thus becoming water vapor, or the gaseous state of water.