Betty and her grandson decided to bake a cake. They gather eggs, flour, sugar, salt, baking soda, oil,
and vanilla. All of the ingredients are measured and
mixed following Betty's grandmother's recipe. They
bake the cake in the oven for 30 minutes. Did the
ingredients undergo a physical change or chemical
reaction? How do you know?

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle i need : ( asap i go it never mind

How many miles of water are produced if 5.43 mol pbo2 are consumed

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.