If an object floats, what is the volume of displaced water equal to? the volume of the portion of the object that is above water the volume of the entire object the volume of the portion of the object that is submerged the volume of exactly half of the object

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg