Answer: Matter cannot be created or destroyed
Explanation: Balanced equations are set equations we cannot change one element or compound in the equation without changing the entire equation. So balanced equation show the conservation of mass because while other substances may be formed from the synthesis or decomposition of compounds new elements are never introduced and are not created out of thin air :)
2mm=2,000,000 nm
2,000,000/25=80,000
The answer is 80,000 polio viruses
Answer: 2nd option
Explanation: took the quizz
Answer:
1m×268.0L/22.4L=11.9m
Explanation:
there are 11.9 moles of nitrogen monoxide are present
