Chemistry, 09.02.2021 21:00 babyambs9570
Match the following vocabulary words with the correct definitions.
1. amount of matter in an object
2. anything which has mass and occupies space
3. measurement of the pull of gravity on an object
4. molecule with different atoms chemically united
5. chemical combination of two or more atoms
6. smallest unit of matter
Compound
Matter
Weight
Mass
Atom
Molecule
Answers: 3
Chemistry, 21.06.2019 20:10
Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose
Answers: 3
Chemistry, 22.06.2019 01:00
Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.
Answers: 1
Chemistry, 22.06.2019 05:40
Salicylic acid is a very important acid. it is used to synthesize the aspirin by treating with acetic anhydride. a 0.2015-g sample of salicylic acid was dissolved in a 100.00-ml volumetric flask, and the solution was diluted to the mark. a 10-ml aliquot of this solution was titrated with standard naoh (0.01130 + 0.2% n) to a phenolphthalein faint pink color end point at 19.81 ml. (a) (calculate the normality of the salicylic acid solution used in the titration. (b) assuming the salicylic acid is pure, what is the equivalent weight of the salicylic acid? practice problems for the final exam (continued) (c) (calculate the inherent error in the determination of the equivalent weight you calculated in part (b). use the following absolute errors in the equipment /glassware when calculating the inherent error. 5.00-ml pipet: + 0.02 ml 100-ml volumetric flask: + 0.08 ml analytical balance: + 0.2 mg 25-ml buret: + 0.03 ml
Answers: 2
Chemistry, 22.06.2019 06:30
If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
Answers: 1
Match the following vocabulary words with the correct definitions.
1. amount of matter in an object...
English, 08.12.2019 00:31
Physics, 08.12.2019 00:31
History, 08.12.2019 00:31
English, 08.12.2019 00:31
Mathematics, 08.12.2019 00:31
Mathematics, 08.12.2019 00:31
History, 08.12.2019 00:31
History, 08.12.2019 00:31
History, 08.12.2019 00:31
History, 08.12.2019 00:31
Mathematics, 08.12.2019 00:31