A hypothetical element X has only two stable isotopes X1 (62…

A hypothetical element X has only two stable isotopes X1 (62.9296 amu) and X2 (64.9278 amu).  X1 has a natural abundance of 69.17%.  Calculate the average atomic mass of the element.   Mark your answer next to words “Final answer is”.  You must follow significant figure rules.  Show your work here to receive full credit.

A new car has a fuel efficiency of 15.6 kilometers per liter…

A new car has a fuel efficiency of 15.6 kilometers per liter.  What is its fuel efficiency in miles per gallon?   Mark your answer next to words “Final answer is”.  You must follow significant figure rules.  Show your work here to receive full credit.

You place a 24.60 g of gold bar into a graduated cylinder co…

You place a 24.60 g of gold bar into a graduated cylinder containing 34.6 ml of water.  What’s the final volume of water level in the graduated cylinder?  (Density of gold is 19.32 g/mL) Mark your answer next to words “Final answer is”.  You must follow significant figure rules.  Show your work here to receive full credit.

This one-question mock assessment is designed to confirm tha…

This one-question mock assessment is designed to confirm that your computer is compatible with CSM’s electronic monitoring system (HonorLock) of web-based quizzes, exams, etc.  Upon accessing this mock assessment HonorLock should have prompted you to download the Chrome-based HonorLock extension. To complete this HonorLock Compatibility Assessment simply click the correct answer below and submit the quiz.  This exam will NOT affect your grade.  Contact your professor if you encounter a problem or have questions.