CrF3; Cr has a 3+ charge and F has a 1-.
Answer with explanation:
1) general word equation=acid + metal= salt + hydrogen gas
chemical/balanced equation= 2HCl+Mg=MgCl2+H2
2)The gas thus formed is an effervescent carbon di oxide when calcium chloride reacts with hydrochloric acid. the carbon di oxide gas also acts as an extinguisher for fires. Hence the burning candle is extinguished.
Answer:
A: Cancer that affects the blood
information: Leukemia is a cancer of the early blood-forming cells. Most often, leukemia is a cancer of the white blood cells, but some leukemias start in other blood cell types.
Answer:
Conceptual energy modeling does not produce the same accurate results as energy modeling with building elements
Answer:

Explanation:
Given that the volume is 
The air flows (F) at the rate of
. The concentration of carbon monoxide in the air is 5%.
Let Q be the amount of the carbon monoxide present in the room at time t. then,

Also,


Thus,
