Change Worksheet. pdf PHYSICAL AND CHEMICAL PROPERTIES AND CHANGES
Name
PHYSICAL PROPERTY
1. observed with senses
2. determined without destroying matter
CHEMICAL PROPERTY
1. indicates how a substance
reacts with something else
2. matter will be changed into a new
substance after the reaction
Identify the following as a chemical (C) or physical property (P):
1. blue color
8. melting point
2. density
9. reacts with water
3. flammability (burns)
10. hardness
4. solubility (dissolves)
11. boiling point
5. reacts with acid
12. luster
6. supports combustion
13. odor
7. sour taste
14. reacts with air

Explain how carbon monoxide can cause death

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k