A solid mass of 25 grams is mixed with 60 grams of a solution. A chemical reaction takes place and a gas is produced. The final mass of the mixture is 75 grams. What is the mass of the gas released?

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

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.

Once similarity and one difference between a mixture of elements and a mixture of compounds