.130 g sample of an unknown metal x reacted with hydrochloride acid according to the following chemical equation. The volume of hydrogen gas collected over water was 92.0 mL at 20 C and 763 mmHg. Calculate the atomic mass of unknown metal and identify the metal from the periodic table

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.