What is the molar mass of Na2Cr2O7?

A scientist heats a flexible container full of neon gas. What will most likely happen to the container as the gas absorbs heat? It will shrink, because the neon atoms will break apart into smaller pieces.

How many moles are in 30.00 grams of H2PO4

Consider the reaction BF3 + NH3 → F3B-NH3 What changes in hybridization (if any) of the B atom are a result of this reaction? A. Before the reaction boron is sp2 hybridized, and after the reaction it is sp3d hybridized. B.

Which is not an example of a vestigial structure

When would a cell use Active Transport? Mark all that apply. a. When the cell needs to move a compound down its concentration gradient. b. When the cell needs to move a compound against its concentration gradient. c.

What are some positive and negative effects of the production of maple syrup on society and the environment?

Describe and give an example of parasitism.

Why is a dilute solution of oleic acid used instead of pure oleic acid?

The vapor pressure of benzene (C6H6) is 73.0 mm Hg at 25 °C. What is the vapor pressure of a solution consisting of 179 g of benzene and 0.217 mol of a nonvolatile nonelectrolyte?

Aldo drove 420 miles using 18 gallons of gas. at this rate, how many gallons of gas would he need to drive 357 miles