True or false the strength and concentration of an acid or base describe the same property.

How much phenol red absorbance is in the first peak?

How are salts formed? By the covalent bonding of neutral atoms. By the covalent bonding of oppositely charged ions. By the ionic bonding of a cation and an anion. By intermolecular hydrogen bonding.

Which molecule is polar? A; CO2 B:PF3 C:CH4 D:BF3

An element that speeds up chemical reactions is called a/an a. substrate. b. enzyme. c. calorie. d. solvent.

BaS + PtF2 = BaF2 + PtS

An ion has a charge of 2 - and 18 electrons. A) From which atom does this ion form? B) How do you know?

What diseases are spread in warm temperatures?

In 1993 the Minnesota Department of Health set a health risk limit for chloroform in groundwater of 60.0 g/L Suppose an analytical chemist receives a sample of groundwater with a measured volume of 79.0 mL.

A good way for someone to identify similar substances is to measure their densities true or false

At 25 ∘c, kp = 25 for the reaction h2 (g) + i2 (g) ⇌2hi (g). at equilibrium, the partial pressure of both h2 and i2 is 0.296 atm. what is the partial pressure of hi at equilibrium?