Provide an IUPAC name for each of the compounds shown. (Specify (E)/(Z) stereochemistry, if relevant, for straight chain alkenes only. Pay attention to commas, dashes, etc.) CH3CH₂CH2 CH₂CH3 H3CH₂CH₂C C=C -CH₂CH3 CH₂CH3

Formula mass: K2CO3, 138.21; KHCO3, 100.12; K, 39.10; C, 12.01; O, 16.00; and H, 1.01 A 2.126 g sample of a solid mixture containing only K2CO3 and KHCO3 is dissolved in water. A volume of 32.50 mL of 0.753 M HCl standard solution is required to titrate the mixture to a bromocresol green end point. Calculate the weight percent of potassium in the mixure.

iii) H* + OH H2O AH° =- 57.32 kJ is an example of ....... a) heat of formation b) heat of neutralization c) heat of solution d) none of all

The first compound to be prepared in the laboratory was(a) Methane(b) Ethyl alcohol(c) acetic acid (d) Urea.

(d) Br. e 0.. K :Q'Bu

5 What initial volume of a 24.00 M solution must have been present in order to allow for a 0.1000 Molar solution to have been created with a final volume of 1.800E6 mL of solution? There must have been an initial volume of type your answer... mL

In the Analytical Chemistry laboratory, one of the B.Sc student Ms. Fatma wanted to analyze the presence of Iron(II) ion in the water samples collected from Sohar Industrial Area in the Sultanate of Oman and analyzed by Spectrophotometric method. (1) 250.00 mL of this water sample (Solution A) known to contain unknown amount of FeSO4. She has diluted Solution A by a dilution factor 10 to make 250.00 mL solution, which she labeled Solution B. Using Spectrophotometer, she has measured the absorbance value (0.642) for Solution B at 508 nm using 1.00 cm cell (cuvet). The molar absorptivity value for Fe2* ion at 508 nm is ɛ508 = 30.8 M-1cm1. (i) What volume of the solution A did she require to make the 250.00 mL of Solution В? (ii) in (i)? What instrument should she use to transfer the volume of the Solution A calculated (ii) Concentration of FeSO4 in Solution B. (iv) Concentration of FeSO4 in Solution A. Mass of FeSO4 in Solution A (Show your calculation) (v)

Please don't provide handwritten solution .....

In the determination of Mass% NaOCI in Bleach Sample (Titration), can sulfuric acid be used instead of hydrochloric acid?

Please don't provide handwritten solution...