Answer:
50 mph
Explanation:
To figure out how many miles per hour this car is going, we divide the distance traveled by the time it took.
200 ÷ 4 = 50
A hydrocarbon has only hydrogen and carbon in it. the 1st, 3rd and 4th option all include Oxygen so the only hydrocarbon is option 2
Answer:
0.402 moles
Explanation:
1 mole NaCl/58.44g Nacl ×23.5g NaCl
grams get cancelled out and you are left with moles
The volume will decrease, because as the temperature is lowered, the atoms will move slowler and they won't fill as much the balloon
