Determine the number of significant figures in each measurement.

12.90 s

Why is it important for Abigail to record her results?

What is one effect of adding heat?

Question 9 A chemistry student needs 85.0mL of carbon tetrachloride for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of carbon tetrachloride is 1.59 gcm^-3.

What is the element name with 6 protons 6 neutrons and 6 elections

Electronegativity Values Unknown Element Electronegativity A 3.44 B 0.79 C 1.8 D 2.0 Which two elements are most likely to form an ionic bond together? A and B B and C A and D C and D

All of the following can be recycled except clothing aluminum cans compact fluorescent bulbs plastic drink bottles

Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.0 L of water upon warming from 25 ∘C to 50 ∘C.

Washing soda, a compound used to prepare hard water for washing laundry, is a hydrate, which means that a certain number of water molecules are included in the solid structure.

When you light a fire place what energy transformation takes place

Correctly identify the generic formula for a synthesis reaction. a. AB + A+B b. A+B → AB c. CxHx + O2 → CO2 + H2O d. AB + C + AC + B e. AB + CD → AD + CB