Which best describes the act of using senses or tools to gather information? O creating a hypothesis
O making an observation
O summarizing the results
O recording the measurements

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2