Chemistry: A Molecular Approach (Tro) Chapter 9 Chemical Bonding I: Lewis Theory 1) Which of the following represent the Lewis structure for N? A) [pic] B) [pic] C) [pic] D) [pic] E) [pic] Answer: A 2) Which of the following represent the Lewis structure for Cl? A) [pic] B) [pic] C) [pic] D) [pic] E) [pic] Answer: B 3) Which of the following represent
Free Chemical bond Covalent bond Ionic bond
HSC 024 PRINCIPLES OF SAFEGUARDING AND PROTECTION IN HEALTH AND SOCIAL CARE 1. How to recognise signs of abuse 1.1 & 1.2 Define the following types of abuse and explain the signs and symptoms- TYPE OF ABUSE | DEFENITION | SIGNS/SYMPTOMS | Physical abuse | This is any form of harm caused to the body. | Bruises‚ finger marks‚ fractures‚ dislocations‚ scratches‚ cuts‚ pressure sores‚ black eyes‚ scalds‚ cigarette burns‚ history of unexplained injuries‚ accidental overdose‚ poisoning
Premium Abuse Child abuse Human sexual behavior
CHM 2046 L Scheme of Analysis for Unknown 9A/9B “Fair Game” Unknowns * Cations: Na+‚ K+‚ NH4+‚ Ca2+‚ Mg(H2O)62+‚ Al(H2O)63+‚ Zn(H2O)62+‚ Cu(H2O)2+‚ Ag(H2O)+ * Anions: Cl-‚ NO3-‚ SO4-2‚ HSO4-‚ OH-‚ CO3-2‚ HCO3-‚ S-2 * Insoluble Salts: Ca(OH)2‚ CaCO3‚ CaSO4‚ Mg(OH)2‚ MgCO3‚ Ag2O‚ AgCl‚ Ag2S‚ CuO‚ CuCO3‚ CuS‚ Zn(OH)2‚ ZnCO3‚ ZnS * Alums: [Al(OH2)6]2(SO4)3∙6H2O‚ Na[Al(OH2)6](SO4)2∙6H2O‚ K[Al(OH2)6](SO4)2∙6H2O‚ NH4[Al(OH2)6]2(SO4)2∙6H2O * Hydrated Ions: Na2CO3∙10H2O‚ Na2SO4∙10H2O
Premium PH indicator Solubility
Mrs. S. is an 83 year old woman with multiple medical problems‚ including chronic obstructive pulmonary disease (for which she sees a pulmonologist)‚ atrial fibrillation and systolic heart failure (for which she sees a cardiologist)‚ hypertension‚ diabetes‚ depression‚ and mild dementia. She comes to your provider’s office today with a new list of medications. Her pulmonologist changed her inhaler from one brand/strength to another brand/strength‚ but she is not sure why. Her cardiologist took her
Premium Medicine Atrial fibrillation Chronic obstructive pulmonary disease
`Unit 024 Promote Child and Young Person Development Outcome 1 Be able to assess the development needs of children or young people and prepare a development plan. 1. Explain the factors that need to be taken into account when assessing development When assessing children and young people it has to be done sensitively and accurately. There are a number of factors to be taking in to account‚ such as confidentiality. If you want to carry out an observation on a child you have to have permission from
Free Childhood Developmental psychology Young
Thebian play of Antigone has excited many debates over the years. The most prevalent being who exactly could be characterized as the tragic hero in the story. The argument that Antigone is the hero is deffinatly a strong one. There are many critics who believe that Creon‚ however‚ is the true protagonist of the play. In order to determine whether or not Creon is the tragic hero one must first examine what a tragic hero is. Aristotle states that a hero is neither purely innocent nor purely malevolent
Premium Tragedy Sophocles Tragic hero
1) The similarities between visual and nonverbal communication are slightly varied but overall the same. They both operate on the interpreted meaning of the action of the picture. They both rely on the emotional or inferred response from the action or media. 2) I believe it to be completely ethical to make a website more engaging to increase sales or traffic. If a competitive edge can be found by adding more facets to the experience on the web site then the advantage lies with them. Implying that
Premium
Week8 Ch 20: 5‚11‚15 5. Turn back to figure 20.1‚ which lists prices of various IBM options. Use the data in the figure to calculate the payoff and the profits for investments in each of the following February expiration options‚ assuming that the stock price on the expiration date is $195. a. Call option‚ X = $190. b. Put option‚ X =$190. c. Call option‚ X = $195. d. Put option‚ X =$195. e. Call option‚ X = $200. f. Put option‚ X =$200. St =$195 COST PAYOFF PROFIT CALL 6.75 195-190=5 -1
Free Call option Strike price Put option
GEOG 1106 Lab 11 Biomes Directions: Listed below are the lab questions to answer. 1. Use the Whittaker biome figure to determine the biome of the places listed below. Place Average Temperature oC Annual Precipitation (cm) Whittaker’s Biome La Selva‚ Costa Rica 22.1 403 Tropical Rain Forest Marietta‚ Ohio 12 105 Temperate Deciduous Forest Pasadena‚ CA 18.2 51.8 Woodland/Shrub land Temperate Ferron‚ UT 8.8 20.9 Grassland and Desert Tucson‚ AZ 21.1 21.9 Subtropical Desert Santa Rosa National Park
Premium Plant Tropical rainforest Biome
spots were present for a compound‚ give Rf value for each component and state if the component was major or minor. | 100% hexane | 25% EtOAc in hexane | 10% EtOAc in hexane | Fluorene | 0.34 cm | 0.94 cm | 0.67 cm | 9 - fluorenol | 0.00 cm | 0.49 cm | 0.05 cm | 9 - fluorenone | 0.00 cm | 0.69 cm | 0.21 cm | 2. Explain how Rf values were generally affected by polarity of the solvent/eluent systems. As part of your answer‚ rank the solvent/eluent systems in order of decreasing polarity
Premium Chromatography Gas chromatography Solvent