NAROK FORM FOUR DISTRICT MOCK – 2007 233/3 CHEMISTRY PAPER 3 MARKING SCHEME. 1. Table I : School value - 1mk 8cm3 – 9cm3 1mk Decimal / Accuracy 0.1 ( 1mk) Max ( 2mks) Penalise for unrealistic values a) Average volume 8.5 + 8.5 + 8.5 ½ = 8.5 cm3 ½ penalise for missing units 3 b) Moles of solution A 8.5 x 0.25 ½ = 0.002125 ½ moles 1000 c)i) Moles of HCl in 25cm3 of solution D: HCl + NaOH NaCl + H2O
Premium Sodium chloride Chemistry Hydrogen
| "False" Memory Is Common‚ Study Shows by Gerry Everding Washington University | People have difficulty suppressing false memories | | | Even when you give people fair warning that you are about to trick them into recalling something that never happened‚ most will still fall prey to the deception‚ creating "illusory" or "false" memories that sometimes include vivid details‚ according to new research from Washington University in St. Louis. "Fully informing people and warning them about
Free Memory Psychology
39 Steps Essay During a musical event shots are fired. A scared woman asks to go home with Richard. He takes her to his apartment. She is nervous and tells him she is a British spy and that two men are after her and they are waiting outside his building. One of the men is missing his little finger. Richard allows her to stay and turns up dead with a knife in her back by morning. She was holding a map with a certain area circled and mumbled something about the 39 steps. Richard sneaks
Premium English-language films Alfred Hitchcock Black-and-white films
subjective and objective descriptions. For false teeth‚ the description on AllMyLife was more objective with the showing of a more gruesome picture and description about why they didn’t need them anymore. On Ebay‚ it was more subjective nothing personal just a straight forward‚ description of the item. The visuals on both had a very big part on shaping their descriptions‚ with one being more clean it was more subjective and with the other dirty and having a very objective description. In addition with
Premium Marketing Brand Advertising
importance of memory What will happen if all human lost their memory? What if we can’t remember anything anymore? Can our society keep running? Can we live? The answer is simple. We can’t live without memory and the modern society will be destroyed. Here I’ll explain to you one by one. Memory plays a big role in our life. It is the processes by which information is encoded‚ stored‚ and retrieved. Everything we see‚ we do‚ we think‚ will goes to memory and transform to implicit or explicit memory. Which
Premium Psychology Memory
Learning and memory are connected to each other. Learning is the obtaining of knowledge‚ skills and information through experience that caused changing in behavior and most lightly to be applied permanently. All those materials that we obtained from learning process are stored‚ kept and available to be recalled in a system called memory. From this definition it is clear that there is no memory without learning. Basically‚ once learning process occurred‚ it followed by memory process. Without learning
Premium Memory
IDENTIFICATION OF AMINO ACIDS BY MEANS OF TITRATION CURVE ABSTRACT The aim of the experiment was to identify an unknown amino acid through acid-base titrations which was prepared in water to form an acidic solution. Each group prepared unknown amino acid hydrochloride. The pre-prepared basic solution was slowly added to the amino acid solution and pH change was closely observed using the pH meter. During these titrations the amino acid converted from cation to zwitterion to anion; zwitterion
Premium Amino acid PH Acid
the introduction of airpower. Yet‚ enacting innovative technologies and tactics involved more than science and funding. Essential to America’s embrace of airpower was the organizational change that occurred in its military. John P. Kotter’s “8-Step Change Model” provides the most appropriate framework for comprehending how and why American innovators succeeded in implementing airpower. Ultimately‚ America was effective in airpower innovation during the interwar period because its
Premium United States Army Air Forces United States Army Air Forces United States Army
Data Bit- each individual ‘1’ or ‘0’ is a bit-short for binary digit. Byte- 8 bits are a byte. Kilobyte-is 1000 bytes (1024) Megabyte-is 1‚000‚000 bytes Gigabyte-is 1‚000‚000‚000 bytes Each character on keyboard-8 bit Computer systems v Manual systems Benefits of computer system: Takes up less space Searching is very quick More than one person can access the same data form their network PC. The data stays in the computers memory Fewer staff are needed to look after a computer system
Premium Computer Personal computer Operating system
Floyd describes 3 models of human communication. Which model do you think is the strongest? Do you think there is anything that needs to be added to the model to fully depict the communication process? Although I believe people are communicating through the action process more nowadays than they have been in the past‚ because of how important text messaging and email is to our society. I think that the transaction model is by far the strongest‚ and more accurate way of communicating. The transaction
Premium Communication Nonverbal communication Writing