HELP NEEDED ASAP How many grams of nitric acid (HNO3) can be prepared from the reaction of 138 g of NO2 with 54.0 g H2 O according to the equation below? 3NO2 + H2 O → 2HNO3 + NO (At. Masses of N=14, O=16, H=1)
Select one:
a. 92
b. 189
c. 108
d. 126

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.