Urgent!! Calculati masa molara a unui gaz, daca o proba care cantareste 14 grame
ocupa un volum de 6,15 litri masurati la presiunea de 2 atm si temperatura
300K.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025

What is the correct lewis structure for chloroform chcl3