Cesium 2013

Reminders:



CHEM- Problem Set. Due on Monday, 11 July 2011. Write in a whole sheet of pad paper

Part 1:
Chemistry: The Central Science, 9th Edition
pp. 69: 2.51,2.54,2.56,2.58,2.62

2.51:
Give the chemical formula for the (a) chlorite ion; (b) chloride ion; (c) chlorate ion; (d) perchlorate ion; (e) hypochlorite ion.

2.54:
Name the following ionic compounds: (a) Li₂O; (b)Fe₂(CO₃)₃; (c) NaClO; (d) (NH₄)₂SO₃; (e) Sr(CN)₂;
(f) Cr(OH)₃; (g) Co(NO₃)₂; (h) NaH₂PO₄; (i) KMnO₄; (j) Ag₂Cr₂O₇

2.56:
Give the chemical formula for each of the following ionic compounds: (a) potassium dichromate; (b) cobalt(II) nitrate; (c) chromiun(III) acetate: (d) sodium hydride; (e) calcium hydrogen carbonate; (f) barium bromate; (g) copper(II) perchlorate.

2.58:
Provide the name or the chemical formula, as appropriate, for each of the following acids: (a) hydrobromic acid; hydrosulfuric acid; (c) nitrous acid; (d) H₂CO₃; (e) HClO₃; (f) HC₂H₃O₂

2.62:
Assume that you encounter the following phrases in your reading. What is the chemical formula for each substance mentioned? (a) Sodium hydrogen carbonate is used as a deodorant. (b) Calcium hypochlorite is used in some bleaching solutions. (c) Hydrogen cyanide is a very poisonous gas. (d) Magnesium hydroxide is used as a catharic. (e) Tin(II) flouride has been used as a flouride additive in toothpastes. (f) When cadmium sulfide is treated with sulfuric acid, fume of hydrogen sulfide are given off.

Part 2:
Name the following compounds: (Found in 10th Edition)
CaSO₄·2H₂O
BaSO₄·2H₂O

PHY- Do pg. 61 # 15 in your Concept Notes. (in case you haven't done it yet)

#15:

Fig: 3-25
Vector A: 44.0; 28.0°
Vector B: 26.5; 124°
Vector C: 31.0; 270°

For the vectors given in Fig. 3-25, determine:
a) A-B+C
b) A+B-C

BIO- Study keywords and the Digestive tract guy homework

FIL- Divorce Debate on Monday. Get ready for the opinion writing.

*Comment if I missed anything.