1.1.5 Serial Dilutions. Confused about tube dilution. If the aliquot amount remains constant over multiple tubes, does that mean that the tube dilution is also always constant? ie: 1ml sample in 9ml diluent = 1/10; 1/10 is tube diluent?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What is the temperature of 0.750 mol of a gas stored in a 6,850 ml cylinder at 2.21 atm? . 2.95 k 5.24 k 138 k 246 k

What is the value of the standard enthalpy of formation of an element in its most stable form?