CHEMISTRY I Experiment 12: Avogadro’s number (hand out) Introduction: The objective of this experiment is to determine the value of Avogadro’s number and the mole concept via the use of the monolayer experiment. Experimental data sheet: Attached Calculations: 1. Area of monolayer A= 3.14(8.58 cm)² / 4 A= 231 cm² / 4 A = 57.8 cm² 2. Molecules of stearic acid in monolayer 57.8 cm² x 1molecule = 2.8 x 1016 molecules 2.1 x 10-15 cm²
Premium Chemistry Experiment Oxygen
Federalist Paper No. 51 James Madison argues how checks and balances can not only advocate a separation of powers but also create an effective government. Madison writes to help his readers understand how a well structured government can lead to a successful country. One of his main arguments is that no branch should have too much power‚ therefore‚ different branches of government should exist. "Legislative‚ judiciary magistracies should be drawn from the same fountain of authority‚ the people
Free Separation of powers Judiciary Legislature
Looking Out for Number One: Conflicting Cultural Values in Early Seventeenth-Century Virginia By: T.H Breen The main focus of Breen’s essay the focus is on the fact that colonists in Virginia were driven and motivated to come to the New World‚ predominantly for monetary reasons. Virginia’s soil was found to be unusually well suited for growing tobacco‚ which is why it drove such a variety of people to migrate there. The colonists‚ though
Premium Military Soldier Army
CURRENT PROTECTION FUNCTIONS ANSI 50/51 – Phase over-current ANSI 50N/51N or 50G/51G – Earth fault or sensitive earth fault ANSI 50BF – Breaker failure ANSI 46 -Negative sequence / unbalance ANSI 49RMS – Thermal overload CURRENT PROTECTION FUNCTIONS ANSI 50/51 – PHASE OVERCURRENT Three-phase protection against overloads and phase-to-phase short-circuits. ANSI 50N/51N OR 50G/51G – EARTH FAULT Earth fault protection based on measured or calculated residual current values: ANSI 50N/51N:
Premium Circuit breaker Electric motor Earth
declined greatly. It had once been a leisure to attend art shows and plays but could no longer be supported in hard times with very little money. The president at the time‚ Roosevelt‚ believed the economy could only be improved once the quality of life had risen (From Crash to a New Identity: The formation of the Works Progress Administration’s Federal Art Project‚ line five) and began to aid artists of all types. This was called Federal Project Number One. This project lasted for only four years but greatly
Premium Great Depression United States President of the United States
started dating when we were in high school and then continued into college. We have only taken a break from our relationship once for about 2 months but besides that have always done long distance with semi frequent trips in between major school breaks. All of which has strengthened and formed our bond into the amazing relationship we have today. Most relationships begin and end in similar ways however some move faster than others and skip important steps that are vital for a healthy relationship and this
Premium Interpersonal relationship
In Number the Stars‚ Annemarie Johansen was brave‚ she was told lies over the truth‚ and she went from girlhood to womanhood. She shows and experience all of the above. Annemarie was a brave girl even though she did not think she was . She did things that she didn’t realize was a sign of bravery.” I will take it‚” said Annemarie. She was relating to the package that was for Uncle Henrik; She could have ran into trouble with German soldiers‚ but she was brave enough to do it. Annemarie always came
Premium Family Marriage Death
Unit 7 Final Project Part 1 One concept that I have chosen is percentages. A percent is a fraction that has a denominator of 100. Finding the percent of a number‚ and finding the missing percent could be very useful in the profession that I have chosen. The profession that I would like to pursue is accounting. Using percentages is used in many ways in accounting. One way is to do a trend analysis. A trend analysis calculates the percentage change for one account over a period of time of two
Premium Accounts receivable
Work Summary Lois Lowry’s 1989 novel Number the Stars tells the story of a ten-year-old Christian girl named Annemarie Johansen. Annemarie is living in Copenhagen‚ Denmark in 1943 when the story begins. Annemarie‚ her little sister Kirsti‚ and her best friend Ellen Rosen‚ a Jew‚ are walking home from school when the story begins. They decide to race but are stopped by two stern looking German soldiers. The soldiers question them‚ but let them go. When the girls reach their apartment home‚ they inform
Premium Family Mother English-language films
Dante’s Inferno and the Number Three Durante degli Alighieri‚ mostly referred to as Dante‚ was a major Italian poet of the middle Ages. Dante as an author uses numerology a lot. Almost everything in Dante’s work has a number and some numbers appear more often than others do. He is the author of an epic poem‚ Dante’s Inferno‚ which is said to be one of the greatest works of world literature. In Dante’s Inferno‚ Dante made use of the number three. Almost everything that occurred in this story revolved
Premium Inferno Virgil Divine Comedy