Purpose: During this experiment‚ we were trying to see whether copper‚ after a chain of chemical reactions‚ will revert back to its elemental form. Procedure: First‚ I added nitric acid with copper in a beaker‚ which turned into a copper nitrate‚ a blue-green solution. Afterwards‚ I added sodium hydroxide‚ and my solution colored to a dark blue solution called copper hydroxide. I heated the solution to evaporate the water and I got a brownish-blackish solid called copper oxide. Once the
Premium Chemistry Sulfuric acid Copper
Parents need more education on sexual abuse and what perpetrators do to begin the abuse cycle. Sexual child abuse is tough to avoid since roughly ninety percent of children are abused by someone they know‚ love‚ or trust. Children need to have open and honest relationships with their parents or guardians. Parents need to know who is around their children because perpetrators try to build trust with not only the child but the family of the child. The perpetrator will groom the child to accept
Premium Child abuse Domestic violence Human sexual behavior
core as a gaseous shell. The gas that surrounds the core is called a "Planetary Nebula". The core that is left then becomes a "white dwarf". After the white dwarf cools down enough it stops shining and dies‚ forming a "black dwarf". Another life cycle of a star involves a star with a mass of 10 solar masses or more. These stars evolve similarly to stars of about 1 solar mass until they reach "main sequence". The star shines bright until all of its hydrogen has fused to form helium. This takes only
Premium Star Sun White dwarf
In elementary school‚ the water cycle is taught. First‚ bodies of water evaporate water into the sky. Next‚ clouds form and the rain follows. The rain either soaks into the ground or turns into runoff to fill the streams and ponds. This cycle brings life to the planet. Humans‚ animals and plants depend on the constant refreshment of moisture. But‚ as humans have evolved‚ pollution has contaminated the precious water supply. The causes of pollution are sewage disposal‚ agriculture production‚ and
Premium
Chapter Nine – Completing the Accounting Cycle 9.1 The Adjusting Process The adjusting process is important for financial statements to be accurate‚ up to date‚ and consistent from year to year. When preparing financial statements‚ the accountants must ensure that: * All accounts are brought up to date * All late transactions are taken into account * All calculations have been made correctly * All GAAPS have been compiled with Adjusting Entry – an entry made before finalizing
Premium Generally Accepted Accounting Principles Depreciation
Understanding The Cycle of Change‚ And How People React To It Robert Bacal is a noted author‚ keynote speaker‚ and management consultant. You can view his bestselling books by going to the Bacal book listings here. In this article Robert outlines some of the basic elements and principles needed by managers‚ executives‚ and supervisors‚ in understanding how people react to change‚ and managing the workplace change process. Managers often make the mistake of assuming that once a change is started
Premium Management Organization Change
When little girls are in the process of growing into women‚ there are certain changes that take place. The first major change that will take place is puberty. Puberty is a stage in life when girls will begin to mature both mentally and physically. The physical aspect of maturation will be changes of your body‚ such as‚ growing breast‚ growing body hair‚ widening of hips‚ perspiration‚ weight and height gain. Puberty takes place at different times for different people‚ and takes longer for some than
Premium Menstrual cycle Puberty
As all the students flooded into the classroom and started to unpack‚ the teacher‚ Mrs.Bentley‚ said‚ "Today you are going on a mini field trip to a park with Mrs.Crystal‚ who studies rocks and minerals! What you’re about to learn is a surprise!" The students cheered‚ wondering why they were going there. They gladly followed Mrs.Crystal out of the room and to the park nearby. Mrs. Crystal asked‚ "Do you know what inside a volcano?" Many hands shot up. She pointed to a girl. "Magma‚ and when it spews
Premium Rock Sedimentary rock Igneous rock
Homelessness Breaking the Cycle Mandlyn Campbell Soc 203 Social Problems Dr. Jonathan Brooks 8/8/11 Homelessness Breaking the Cycle Thesis Statement Once being homeless myself‚ I have decided to focus my research on the homeless population‚ which is one of many social problems that is near and dear to my heart. My objective is to take a closer look at what challenges other individuals really face living a life without shelter‚ a live of poverty. I plan to provide an in-depth analysis
Free Homelessness Homeless shelter Poverty
Ketones in insulin resistant state 1. How is glucose normally maintained in the post absorptive state? 2. Why is muscle glycogen not useful for blood glucose 3. Why may this situation have evolved 4. Under what circumstances do you think substantial gluconeogenesis will occur 5. What is necessary for the production of ketones 6. What will reduce acetyl CoA oxidation 7. When is oxaloacetate availability impaired 8. When is the regulation of gluconeogenesis disrupted
Premium Metabolism Carbohydrate