Question 6 of 25 How much energy does it take to boil 100 mL of water? (Refer to table of
constants for water.)
19
O A. 100 mL *
1 mL
1 mol
х
18.02 g
x 6.03 kJ/mol = 33.5 kJ
1 mol
B. 100 mL X
19
1 mL
х
18.02 g
*(-285.83 kJ)/mol = -1586 kJ
C. 100 mL X
1g
1 mL
х
1 mol
18029
x 4.186 kJ/mol = 23.2 kJ
19
D. 100 mL X
1 mL
Х
1 mol
18.02 g
x 40.65 kJ/mol = 226 kJ

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.