The marsh test was used historically to detect arsenic in cases of suspected poisoning. solid diarsenic trioxide and hydrogen gas react to form the gas forms arsenic trihydride and water. in order to create this reaction, 640 grams of diarsenic trioxide is reacted with 125 grams of hydrogen gas

Describe the interaction that occurs between two objects with the same electrical charge.

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal. b. he is determining chemical properties that are sufficient to identify the metal. c. he is determining physical properties that are insufficient to identify the metal. d. he is determining chemical properties that are insufficient to identify the metal.