Is matter and mass always the same

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.

Iam hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?

Match the following items to the correct description. 1. detainment centers for many of hitler's "undesirable" citizens, including those of the jewish race inflation 2. a form of fascist government; probably the most extreme form of tyranny first month of 1933 3. leadership taken and directed by force, often with bloodshed. an oppressive regime tyrannical government 4. financial instability brought on by price increases nazism 5. hitler became the prime minister concentration camps