Use the built-in scientific calculator to calculate:  (35.103 +3.765) / 2.354 =?

Which of the following best describes the solid state?

What is the H+ concentration of a solution with pH = 1.6 ?

What volume of H2 is produced at STP when 11.8 g of Zn metal react with excess HCl?Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g)

Name the molecule CCl4.

What is the best description of the molecular geometry of a molecule that has three electron groups around its central atom and has three surrounding atoms.

A student titrates 30.00 mL of HBr with 0.215 M Ca(OH)2. She uses 25.3 mL of 0.215 M Ca(OH)2 to reach the equivalence point. What is the concentration of HBr? Ca(OH)2 + 2HBr → CaBr2 + 2H2O

What is the best description of the molecular geometry of a molecule that has four electron groups around its central atom and has two surrounding atoms and two long pairs.

Question 8abcd.JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.

Question 7(2).JPG  I am showing all my work. Please answer True to go on to the next question. You will have a chance to come back to it if necessary. You will submit everything in ONE SINGLE PDF twice at the end to Question 12 and FINAL EXAM DROPBOX. This second one is the more important one. You must give yourself plenty of time to scan and submit before the exam closes automatically.