Asample of n2(g) was collected over water at 25°c and 730 torr in a container with a volume of 340 ml. the vapor pressure of water at 25°c is 23.76 torr. what mass of n2 was collected?
a. 0.58 g
b. 0.72 g
c. 0.91 g
d. 0.36 g
e. 0.080 g

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean