Michelle Olson Lab report 4/25/14 Percent of Cu in a post 1982 cent PURPOSE: What is the experimental % of copper (Cu) in a post 1982 cent? In this lab‚ we will determine the % composition of a modern (post-1982) penny by using a strong acid called nitric acid (HNO3)‚ to react and dissolve the zinc core‚ leaving only the copper coating. Once only copper remains‚ we will then compare its’ absorbency to the other five post-1982 penny Cu concentrations made in this lab. INTRODUCTION:
Premium Laboratory glassware Concentration Zinc
Modernism and Post Modernism Have you ever wondered what the differences are between the modernism and post modernism? It seems like it would be easy to describe what they are by the words and what they are usually associated with. Yet‚ it’s actually a lot different then your thinking. Modernism is the movement in visual arts‚ music‚ literature‚ and drama‚ which rejected the old Victorian standards of how art should be made‚ consumed‚ and what it should mean. Modernists want the absolute truth
Premium Modernism Art Postmodernism
is not always accurate. In the article‚ Miner argues that because labor “unions have been increasing wage rates” and a depression‚ inflation‚ and unemployment have ensued means that the labor unions have caused these economic downturns. According to Post-Hoc Fallacy‚ this reasoning isn’t always correct because there could be other factor influencing the economic problems other than the labor unions. Raised interest rates‚ deregulation‚ and even wars can affect the economy in harmful ways; the connection
Premium United States International trade Economics
Dead posts society directed by Peter Weir narrates a story about a thoughtful teacher and a group of students who wants to the breakthrough inflexible education system in 1959. In the film‚ it emphasizes on the conflict between Neil Perry and his father‚ Mr. Perry‚ to stress the importance of the relationship between parents and children; And that misbehavior‚ emotional and overreaction outburst a sadness ending for the film. On the surface‚ Neil seems to be fine students at Walton Academy‚ “he
Premium Family Love Mother
women is poor after abortion. It is a crime and murdering the innocent. Abortion goes against the law and more. Abortion could lead to mental and emotional health problems. For example it could lead to post abortion syndrome. “Common side effects of post abortion syndrome are thoughts of post abortion syndrome are thoughts of self-harm and suicide‚ increase in dangerous activities‚ depression‚ inability to perform normal self-care activities‚ difficulty sleeping‚ panic disorders‚ eating disorders
Premium Abortion Human Pregnancy
America’s twin towers did not only affect the United states but shook the core of the world. Countries all over the world were affected directly and indirectly and people still remembered it as the terrible criminal act. Aguayo (2009) states that “in this post September 11 (9/11) climate of the “War on Terror”‚ Hollywood political-thriller films carry a new cultural currency” (p.1). It left an indelible impression in the hearts and minds of the millions of people inhabiting the planet today‚ something that
Premium September 11 attacks Al-Qaeda Terrorism
How to Embed PDF or Docs File In Blog Posts File formats like PDF‚ Docx‚ PPT etc. are used widely to share documents digitally. In this post we will talk about embedding or attaching such files into a blog post. This method can be used on any blogging platform. Document files like PDF are used to share documents from one person to another but sometimes people needs to implement it in a blog post which can be shared with multiple readers. You can even upload a document file on your host and then
Premium Blog File format Portable Document Format
1. Explain the consumer’s post purchase evaluation process. After using a product or service the consumer compares the level of performance with expectations. Satisfaction occurs when the consumer’s expectations are either met or exceeded‚ while dissatisfaction results when performance is below expectations. Another possible outcome of purchase is cognitive dissonance which refers to a feeling of psychological tension or post-purchase doubt a consumer may experience after making a difficult purchase
Premium Cognition Causality Guilt
27. Soderquest‚ Wijma‚ Thorbert and Wijma conducted a study (2008) to find out the risk factors in pregnancy for post-traumatic stress and depression one month after childbirth. Along with this‚ the relationship between post-traumatic stress and depression was observed. The method used was assessment of post-traumatic stress and depression one month post-partum along with studying the potential risks during early and later phase of pregnancy. The variables involved in the study were trait anxiety
Premium Childbirth Pregnancy Bipolar disorder
What is Post Test Club? Post Test Club is a social support group for all clients tested whether infected with HIV or not.It was established to respond to the expressed needs of the tested clients for ongoing support. Membership Values; Membership is open to all clients who have taken the HIV test irrespective of their results. The principle of anonymity and confidentiality applies for those members who so wish. Members who have tested positive or negative and are willing to ?go public? to
Premium AIDS HIV Antiretroviral drug