Observations: Quantitative & Qualitative Data Table Table 1: Solubility Qualitative data: Substances | Time (s) | Soluble or not? (Yes/No) | X | 42 | Yes | Y | 63 | Yes | Z | >180 | No | Table 2: Appearance of the substances while melting Substance X- White rocky powdery dots Qualitative data: Time (s) | Physical appearance of substance X | 10 | White powder dots | 26 | White powder dots | 44 | White powder dots | 55 | White powder dots | 65 | The color of the white powder dots changes to brown powder dots | 82 | Starts to melt a tiny bit | 107 | It stops melting, and there are still white powder left | 125 | Stays as white powder, no melting | 155 | White powder dots, nothing happens | 178 | White powder dots, no melting | 183 | White powder dots, nothing happens | 207 | A few of the tiny white dots starts to melt again | 230 | The white powder stops finally stay still | Table 3: Appearance of the substances while melting Substance Y- White crystal dots Qualitative data: Time (s) | Physical appearance of substance Y | 3 | White crystal dots | 20 | White crystal dots, no change | 40 | White crystal dots, no physical change
Keurig Marketing Strategy Target Market While Keurig decided whether or not to launch their product into the at-home market, they did some market research to and looked at the statistics for the United States retail at-home coffee market. The 12 found represented an enormous opportunity for Keurig. In 1996, gourmet coffee sales were at $2,200 million. Four years later, in 2000, the gourmet coffee sales had increased by 40 percent to $3,100 million. Also, in 2000, approximately 320 million pounds of gourmet coffee were sold in the United States, a 25.5 percent increase in pound consumption by volume from 1996.
high melting point, hard, brittle, slightly soluble in water, conductor of electricity when melted or in solution Molecular solid - crystalline solid that has molecules arranged in a particular configuration. low melting point, generally insoluble in water, nonconductor of electricity. Metallic solid - crystalline solid that has atoms of metals arranged in a definite pattern. low to high melting point, malleable, ductile, conductor of electricity, insoluble in most solvents. Lesson 13.6 Changes of physical state: * necessary to draw a temperature-energy graph to see the change in temperature with a constant application of heat Heat of fusion - the amount of heat required to melt 1.00 g of substance.
It is hard to split. It produces light smoke and no spark. arIt produces 29.7 million btu's per cord. I found that soft maple has a good rating for burning. It has a medium heat yeild and the burn difficulty is easy.
This was the longest uninterrupted period of expansion since the government started keeping track in 1854.During this time fifteen million new jobs were created and just under twenty trillion dollars worth of good and services were produced. President Reagan inflated the DOD budget. He wanted the Americans to be ready for a war just in case if one ever happened. President Regan also had plains for what he called the “star Wars.” His Plain was to make some kind of shield that would protect us from nuclear missiles. President Reagan also deregulated the lending restrictions for savings and loans.
soon after word American and British forces joined to work together against Germany, this ends being the Manhattan Project. Many brilliant minds were gathered to work in a lab in Los Alamos, New Mexico. In the summer of 1945 the first plutonium bomb was ready to be tested after two billion dollars of spending. Three weeks later the first Atomic Bomb was dropped on Hiroshima, Japan. The B-29 Bomber dropped the Uranium-235 called Little Boy on the Town.
of moles = 4. no. of moles = Stoichiometry is related to the whole number ratios (i) between atoms in chemical formulas and (ii) between reactants and products in a chemical equation. Example 1 A mixture containing only aluminium oxide, Al2O3, and copper (I) oxide, Cu2O, weighs 2.02 g. When heated under a stream of hydrogen, only Cu2O is reduced to metallic copper
They have a relatively high level of hydrophilicity. Conversely, cationic surfactants such as cetyltrimethyl ammonium bromide (CTAB) release a positive charge in an aqueous solution. On the other hand, in alkali pH, amphoteric surfactants act as anionic while in acid pH, it act as cationic. Non-ionic surfactants such as partially hydrolyzed PVA (polyvinyl alcohol) have no charge (Li et al, 2008). Among four types of surfactants, partially hydrolyzed PVA is most frequent used because it gives the smallest microsheres (Jeffrey et al, 1991).
History P&G was founded by candle maker William Procter and soap maker James Gamble. The two might never have met had they not married sisters, whose father convinced his new sons-in-law to become business partners. As a result, in 1837, a new company was born: Procter & Gamble. In 1858–1859, sales reached $1 million. The company began to build factories in other locations in the United States because the demand for products had outgrown the capacity of the Cincinnati facilities.
Introduction 1.1. Overview Acrylonitrile (AN), also known as vinyl cyanide (CH2=CH-C≡N), is a high volume commodity chemical with worldwide production of more than 10 billion pounds per year. Acrylonitrile is used as a monomer in the production of acrylic and modacrylic fibers, which accounts for approximately 50% of its global use. Acrylic fiber is used for clothing, carpeting and other fabrics and in the production of rugged plastics for automotive components, computers, appliances. Acrylic fiber is also used in the manufacture of polyacrylonitrile (PAN)-base carbon fibers; which are increasingly important materials for lightweight, high-strength applications in aeronautics, automotive, engineering,