140.0 mL of 0.23 M HF with 225.0 mL of 0.32 M NaF

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.

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Which factor is likely to impact the possible number of compounds ?