Chemistry Revision F331 Isotopes - atoms with the same atomic number‚ but different mass numbers 131I - radioactive tracer for thyroid. 99Tc for tumours. Radioisotopes - gamma emitters & short half life - long enough to detect‚ but not long enough for damage. Beta particles emitters are more useful than alpha particle emitters because they penetrate more and so are more easily detected. Also‚ less damaging. The half life is the time taken for half the isotope to decay Mass left = initial
Premium Atom Oxygen Periodic table
The pole of ideals is centered on affect regulation (Marmarosh & Mann‚ 2014). This pole is the desire of an individual to merge with an idealized other; this desire can be unconscious. The idealized other is usually a person from the individuals past‚ but can be from recent history as well (Marmarosh & Mann‚ 2014). Flanagan (2016) postulates that the idealizing self object need is the need to “have someone strong‚ calm‚ and wonderful to idealize and merge with in order to feel safe and complete within
Premium Family Mother Marriage
Bryce Sadosky April 28‚ 2011 Prof. Knutson Construction 101 The Ideal Palace The Ideal Palace was built by Ferdinand Cheval in 1879. Ferdinand Cheval was born in 1836 in Charmes-sur-l ’Herbasse‚ Drôme‚ France and worked as a postal worker for the beginning of his life. He began building the Ideal Palace in April 1879 and it took him thirty-three years to complete. At the time‚ the main labor force were farmers so growing up‚ Ferdinand had a descent life as a postal worker. During
Premium
LESSON 05.01 Wood blocks- solid Hammer- solid Lightning- plasma Fluorescent light bulb- plasma Steam and helium filled balloon is gas Water from a faucet and swimming pool is liquid - Can be distinguished at the molecular level by how the particles are held together - The phase of matter is considered a physical property because a change in a substance’s phase does not change the chemical properties or identity of the substance. - The phases of matter are determined by the kinetic energy
Premium Temperature Gas Ideal gas law
A Comparative Study On The Combustibility Of Ethanol (C2H5OH) And Hydrogen Peroxide (H2O2) Mixtures As Fuel Chemistry January 31‚ 2013 Revised February 15‚ 2013 Abstract In this experiment‚ the proponents used mixtures with varied proportions of ethanol and hydrogen peroxide to know which would make a more efficient‚ clean‚ and stable combination. Compared to conventional fuels‚ ethanol contains 36% oxygen thus resulting in more complete combustion. This greatly lowers
Premium Oxygen Combustion Carbon dioxide
Does anybody know what the ideal woman is supposed to look like? Is this woman thin and tall or fat and short? Why are woman judged on how they look and how they dress‚ but males are not? Why are images of woman everywhere? Why do woman feel that they have to be gorgeous so society can love her? Believe it or not‚ society plays a big role in people lives. The biggest role it probably plays is how a female should look. For instance‚ if you look at the television‚ if you look at movies‚ and if
Premium Woman Nutrition Female
An Ideal Rommate This friend I have is special‚ whilst young‚ intelligent and righteous so do pious too. She was with me since she was enter the same university with me so do the same room‚ a pleasure to have all these 3 years was spended with her.The strength to face her each day can sometimes be drawn from knowing her. She loved to sharing and react just like my own flesh blood and cared all about me. She always be inside me when I needed somebody to help n solve my problems.I really missed her
Premium Friendship
Module 4: 10. Strong Bases: NaOH‚ KOH‚ Na2CO3‚ NaHCO3‚ Na3PO4‚ NaHPO4‚ Strong Acids: Fe(NO3)3‚ HCL‚ HNO3‚ Al(NO3)3‚ NiCl2‚ H2SO4 11. Acidic Neutral Basic NaCl KNO3 NaOH HC2H3O2 Na2CO3 NaC2H3O2 NaHCO3 Fe(NO3)3 NaNO3 Na3PO4 HCl MgSO4 KOH HNO3 Na2SO4 NaHPO4 CuSO4 NaNO2 CoCl2 Al(NO3)3 NiCl2 H2SO4 KCl NH4Cl 12. CuSO4 CuCO3.Cu(OH)2(s) + 2 H2SO4(aq) ----> 2 CuSO4(aq) + CO2(g) + 3 H2O(l) Na3PO4 Na3PO4 (aq) + 3H2O (l) --> H3PO4 (aq) + 3NaOH
Free PH Acid dissociation constant Acid
Properties of Different Bonds An ionic compound forms from a nonmetal and metal element. A covalent compound is formed by two non metal elements. A metallic compound is formed by two metal elements. Metallic compounds have generally high melting points‚ are loose and flexible with their electrons‚ conduct electricity well‚ and have low solubility in water. Ionic compounds are generally crystals‚ have a high melting point‚ and usually have high solubility in water and conduct electricity well when
Free Ionic bond Chemical bond Electron
Name: _____________________________ Submit Worksheets for Credit Stereochemistry Workshop 1. Assign the marked asymmetric centers with R or S designations. 2. Rank each of the following sets of substituents (highest priority substituent = 1; lowest priority substituent = 4). Place the number in the blank below the substituent. (a) (b) 3. Determine the relationship between each of the following pairs of structures (enantiomers‚ diastereomers‚ constitutional isomers
Premium