Below are models of two types of cells. Which of the following structures 2 points are common to both cell types?
A. mitochondria and vacuoles
B. mitochondria and cell wall
C. vacuoles and chloroplasts
D. cell wall and chloroplasts

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?