17) which

of the following is a polymer?

a) starch

b) Cellulose

c) Polyvinyl chloride.

d) Sun flower.

In general, non metals are: a. on your far left of the periodic table b. good conductors of electicity c. usually gasses at room temperature d. unable to bond

Which one of these salts will form an acidic solution upon dissolving in water? Select one: a. LiBr b. NaF c. NH4Br d. KOH e. NaCN

39. Which of the following conversion factors would you use to change 18 kilometers to meters? A. 1000 m/1 km B. O1 km 1000 m C. 100 m 1 km D. 1 km 100 m

When 25 mL of 0.30 M ammonium iodide and 25 mL of 0.30 M sodium hydroxide are combined, the pH of the resulting solution will be : ... A. Less than 7 B. Equal to 7 C. Greater than 7

What is hypotonic, isotonic and hypertonic solution?

How many moles of CO will be produced, if 32.5grams of H2O are produced? C6H6S+6O2=>6CO+3H2O+SO3

Identify and briefly describe two ecosystems in your community that are beyond schoolyard

Is N2H2 a ionic compound?

What do Lewis dot structures show?

300 grams of a compound which contains only carbon, hydrogen and oxygen is analyzed and found to contain the exact same percentage of carbon as it has oxygen. The percentage of hydrogen is known to be 5.98823%.