Excess reagent - Study guides, Class notes & Summaries

Determine the limiting reagent and the excess reagent for the biodiesel lab Excess reagent _____________ limiting reagent _____________________ correct answer: methanol, triglyceride Complete the statements below by matching the following saturated fatty acids have ______ __________ bonds unsaturated fatty acids have _____ ____________ bonds correct answer: no C=C, one C=C The addition of water to sodium methoxide produces ___________ _______________ and _________________ corre...

Intermolecular forces and how they affect physical properties /purification techniques: dipole-dipole, electrostatic, hydrogen, ion, london, - Answer-*dipole-dipole*: polar covalent molecules such as aldehydes and ketones. positive and negative end. polar molecules must be close together for force to be significant. weaker than ion-dipole forces; increase with polarity of molecule. *electrostatic*: occur between charged species, cations and anions, and are responsible for very high MP and B...

Chapter 3: Chemical Reactions 1. Which of the following cannot be determined from a balanced chemical equation? a. b. c. d. e. ANSWER: POINTS: TOPICS: OTHER: The number of molecules of reactants and products. The number of atoms of each element reacting. The number of moles of reactants and products. The relative mass of each reactant and product. Whether the reaction will proceed as written. e 1 3.1 Chemical Equations Comprehension 2. In the reaction given below, if 12 moles of aluminu...

CSMLS Chemistry Latest Update Graded A+ Chilled Samples ACTH, lactic acid, ammonia, blood gases, acetone, gastrin, glucagon, pyruvate, renin Protect samples from light bili, carotene, erythrocyte protoporphyrin, vitamin A, vitamin B12 Warm Samples Cold agglutinins, cryoglobulins Fasting samples Fasting blood sugar, triglycerides, lipid panel, gastrin, insulin Formalin pigment Aka acid formalin hematin. Brown, granrular, doubly refractile deposit Remove with picric acid aft...

Chilled Samples - Answer-ACTH, lactic acid, ammonia, blood gases, acetone, gastrin, glucagon, pyruvate, renin Protect samples from light - Answer-bili, carotene, erythrocyte protoporphyrin, vitamin A, vitamin B12 Warm Samples - Answer-Cold agglutinins, cryoglobulins Fasting samples - Answer-Fasting blood sugar, triglycerides, lipid panel, gastrin, insulin Formalin pigment - Answer-Aka acid formalin hematin. Brown, granrular, doubly refractile deposit Remove with picric acid after 100% alc...

CHEM 209 Quiz 1 Latest Update Graded A+ Question: What is a back titration? - a. A method where excess titrant is added first and then the remaining is titrated - b. A titration where the initial solution is known and the excess is titrated carefully - c. A technique involving titration with a known excess of titrant, followed by titration of the excess - Answer: c. A technique involving titration with a known excess of titrant, followed by titration of the excess Explanation...

ASCP MLS Exam Questions Solved 100% Correct If a bacteria produces the enzyme tryptophanase to break down the amino acid tryptophan, which of the following tests will be positive with Kovacs reagent? (Answer: -Indole test The mediator cells that bind MOST to IgE antibodies are: (Answer: -Basophiles Dolichos biflorus: (Answer: -Anti-A1 lectin is extracted from the seeds of Dolichos biflorus. This reagent will agglutinate A1 cells, but not A2 cells Myelodysplastic syndromes can Best be...

urinalysis book/kahoot questions and answers already passed the primary inorganic substance found in urine is: A. sodium B. phosphate C. chloride D. calcium Answer- C the primary advantage of a first morning specimen over a random specimen is that it: A. is less contaminated B. is more concentrated C. is less concentrated D. has a higher volume Answer- B If a routine urinalysis and a culture are requested on a catheterized specimen, then: A. two separate containers must be...

reagent strips correct answers -chemical urine tests that are composed of chemically impregnated absorbent pads on a plastic strip -can test for pH, protein, glucose, ketones, blood, bilirubin, etc. -some test for many different reagents at once -multistix and chemstrip are 2 main brands of multi-reagent tests -many different colors indicate semi-quantitivative results, can be compared to color chart provided with tests reagent strip technique correct answers -dip the strip briefly into w...

DAT – Chemistry Written Exam Questions Correctly Answered. For the reaction below, which of the following sets of coefficients would balance the reaction? __HNO3 + __S → __H2SO4 + __NO2 + __H2O - CORRECT ANSWER 6,1,1,6,2 Which of the following interactions is the strongest? - CORRECT ANSWER Ionic Bonds What is the maximum number of electrons that the d-subshell can hold? - CORRECT ANSWER 10 Calcium chromate (CaCrO4) is a yellow solid with a Ksp of 7.1 x 10-4. Determine the ion...