Sulfuric Study guides, Class notes & Summaries

Title: Quantitative and Qualitative Analysis Purpose: To measure how much of a substance is in a chemical compound. Procedure: Carbonate 1. Place one test tube in beaker and tare scale. 2. Use scoopula to add 1g of the carbonate. Record exact weight and place carbonate into beaker. 3. Add sulfuric acid to test tube (~⅓ full ) and place inside beaker 4. Measure weight of test tube with sulfuric acid and beaker with carbonate and record. Tare scale again. 5. Pour sulfuric acid into bea...

What is an acid? - Answer-solution has an excess of H+ ions What is a base? - Answer-solution has an excess of hydroxyl ions (OH-) What is neutralization? - Answer--process where acid and base are mixed until they become neutral and the PH is 7. What are the two products of a neutralization chemical reaction? - Answer-water and salt ( The type of salt depends on acid or base added to neutralize.) What is a weak acid? - Answer-an acid that only partially ionizes in an aqueous solution. This...

Rays which have no mass and no charge but of very high energy and excellent penetrating power are called? - Gamma Examples of antacids which cause rebound hyperacidity - NaHCO3 & CaCO3 Which anion evolves a gas with a fruity odor when treated with conc sulfuric acid and ethanol? - CH3COOWhich buffer system has been modified to include NaCl to make it isotonic with physiologic fluid? - Sorensen's Phosphate buffer Sulfide that is orange-red in color, insoluble in NH3 but soluble in exce...

1. Ammoniated mercury is also known as: a. calomel b. corrosive sublimate c. lunar caustic d. white precipitate - D 2. The rays which have no mass and no charge but of very high energy and excellent penetrating power: a. alpha b. beta c. gamma d. x-ray - C 3. Antacids that cause "rebound" hyperacidity are: a. Mg(OH)2 & Al(OH)2 b. Na2CO3 c. NA2S2O3 & MgSO4 d. NaHCO3 & CaCO3 - D 4. Evolves a gas with a fruity odor when treated with concentrated sulfuric acid and ethanol: a. aceta...

*When using the preheat alternative weld method, the temperature shall be checked ___ to assure the minimum temperature is maintained during welding. A) one inch or two times the material thickness whichever is greater, on each side of the groove. B) two inches or two times the material thickness, whichever is great, on each side of the groove C) Three inches or three times the material thickness, whichever is greater, in each side of the groove D) Four inches or four times the material th...

A-level CHEMISTRY Paper 3 Friday 23 June 2023 Morning Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provi...

BIO 101 Final Exam WVU Salihu Questions and Answers Already Passed feature of a well-designed experiment 1. experimental group- group recieving treatment 2. control group- not exposed to treatment 3. has an IV and DV 4. blind strategies 5. randomized- subjects randomly assigned to group 6. repeatable population group of same species that live in a specific habitat community populations of different species that interact with each other within an location ecosystem all living or...

Bags : - Typically contains up to 100 lbs - Tote bags may contain up to 500 lbs - Contains: Explosives, toxics, corrosives, pesticides, insecticides, oxidizers, & flammable Materials - Hazard Classes: 1, 4, 5, 6, 8, & 9 - Examples: Cement, Fertilizers, & pesticides Carboys : - Generally doesn't exceed 20 gal - Glass or plastic bottles encased in outer protective packaging - Contains: toxics, acidic or caustic corrosives, and water 2 | P a g e - Hazard Classes: 1, 3, 5, 6, 8, & 9 -...

AQA GCSE CHEMISTRY 8462/2H Paper 2 Higher Tier Version: 1.0 Final *JUN2384622H01* IB/M/Jun23/E12 8462/2H For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 10 TOTAL Tuesday 13 June 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: • a ruler • a scientific calculator • the periodic table (enclosed). Instructions • Use black ink or black ball-point pen. • Pencil should only be used for drawing. • Fill in the boxes ...

ITEC Beauty Specialist - Skincare & Eye Treatments Questions and Answers Already Passed A birthmark is also known as; Naevae A moisturizing cream is best suited to what skin type? Mature A moisturizing lotion contains; 15% oil A natural astringent Lemon juice Alpha-tocopherol is the chemical name for; Vitamin E Ascorbic Acid is the chemical name for; Vitamin C Atom that gained an electron will become _________ charged negatively Atom that has donated an electron becom...