Question 14 of 35 How is a scientific law different from other laws in society? A. A scientific law is what scientists have decided should be forced to happen in nature. B. A scientific law describes what always happens under specific conditions in nature. C. A scientific law is a rule about how to treat and punish people. D. A scientific law serves to protect people, property, and nature from harm. PLEASE HELP ASAP YHIS BIG YEST IS HARD!

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution. calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?