Which of the following reactions illustrates the law of conservation of mass? 12.3 g A + 9.6 g B → 23.9 g C
43.2 g A + 17.9 g B → 30.1 g C + 31.0 g D
68.2 g A→ 27.1 g B+ 43.5 g C 18.7 g A + 22.4 g B → 26.3 g C + 21.6 g D

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³