Which of the following is a physical change. A piece of magnesium metal formed bubbles when dropped in acid

H2O became a vapor when heated

A green chili rotted when left outside

Sodium metal burned with water

A balloon is filled with gas at a pressure of 102.3 Kpa and a temperature of 45.5°C. It's volume under these conditions is 12.5L. The balloon is then taken into a decompression chamber where the volume is measured as 2.50L. If the temperature is 36.

In general, life needs to maintain a pH level between 01-4 5-8 9-14

Mechanical digestion tears, grinds, and mashes large food particles into smaller particles. true or false? WIll mark brainliest first person with right answer

Proton-proton chain reaction is: The destruction of energy due to lost atoms. The creation of energy through the process of nuclear fusion. The sharing of energy through radioactive zone. The decline of energy due to a solar eclipse.

Is cr2o3 a molecular or ionic compound?

A bag of gum drops contains 14 orange gumdrops, 8 yellow gumdrops, and 12 black gumdrops. What is the percentage of yellow gumdrops?

Gases and liquids will both expand to fill their container. True False ... ?

Which of the following best explains why electrometallurgy is a useful process in many industries? A.) Electrometallurgy can etch permanent marks and designs into the surfaces of metal products. B.

Your TLC results for ortho-hydroxyacetophenone versus para-hydroxyacteophenone will indicate that one compound is significantly less polar than the other.

A box contains equal amounts of helium, argon, and krypton (all gases) at 25 ∘c. part a consider the temperatures, masses, average velocities, and average kinetic energy of the three kinds of gas in the mixture.