A. Draw the Lewis structure for ethene (ethylene), H2CCH2, a small hydrocarbon with a C=C double bond.
b. Based on this structure, predict the H–C–H bond
angle. Explain your reasoning.
c. Sketch the molecule showing the predicted bond
angles

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.