How many moles are in 442.8 g of strontium carbonate (SrCO3) ?

A) 1.000

B) 65 360

C) 1.500

D) 3.000

Why do we call water the univeral salivnet

B (OH) 3 and B (OH) 4^- Which one is the acid?

A hydronium ion is a hydrated hydrogen ion

I'm a lunar eclipse, what seems to darken?

A sample of gas occupies a volume of 445 mL at a temperature of 274 K. At what temperature will this sample of gas occupy a volume of 499 mL? Show all of the work used to solve this problem.

To what temperature in kelvin will a 2.3 L balloon have to be heated to expand to a volume of 400 L Assume the initial temperature of the balloon is 25 degrees celsius.

In which changes of state do atoms lose energy?

Can you live without body tissue? This is a yes or no question, no explaining required, but you can add it if you want. : D

According to the graph, which activity has used the largest amount of water over the past twenty years?

Tiffany leaves balloons filled with helium gas inside her car in on a sunny day when she returns to her car some some of the balloons are much larger and a few have popped explain what happened