499.0 seconds, light travels at a speed of 299,792 kilometers per second; 186.287 miles per second.
Answer:
The state of matter of rain is liquid. Clouds are 2 states of matter, liquid and gas
Explanation:
Answer:
One object has more mass than the other object
Pls mark as brainliest
Answer:
HCOOH, H₃O⁺, and HCOO⁻
Explanation:
HCOOH is the major solute.
However, HCOOH is a weak acid. It dissociates slightly in aqueous solution.
HCOOH + H₂O ⇌ HCOO⁻ + H₃O⁺
Thus, two other solute particles are HCOO⁻ and H₃O⁺.
Answer:
Heated copper metal reacts with oxygen to form the black copper oxide. The copper oxide can then react with the hydrogen gas to form the copper metal and water.
