Answer: 7
Explanation:
Before a number but after a decimal. The zeros at the end would usually mean that it doesn't count but since the numbers are before the zeros and after a decimal it's 7 sig figs
Answer:
last option that is
F2(g) + Ca(s) —> CaF2 (s)
Explanation:
it had to be either 2nd or 4th bc the product to be obtained was Calcium Fluoride with molecular formula CaF2.
2nd couldn't be the answer as CaF2 isn't formed in liquid state but in solid state as given in option 4.
- (l)/ (s)/ (g) represents the state of the substance ,I.e, if the substance is in liquid solid or gaseous state respectively.
I believe copper would dissolve iron would just get the rust off of it. Copper would boil then dissolve. idk what the second part would be. Hope this helps!
Sensory nerves gather information of the environment and send it to the brain, and motor nerves tell muscles to contract, thereby making you move.
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