How can the shape of a molecule determine its polarity? A. Asymmetrical molecule will only have nonpolar bonds.
O B. A linear molecule will always contain polar bonds.
O C. A tetrahedral molecule will never be a polar molecule.
O D. Asymmetrical molecule cancels out the effects of polar bonds.

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?