45.0 mL of a Naoh solution is titrated with 0.12 M HCl. If 29.6 mL is required for neutralization,

what is the concentration of the NaOH solution?

14. A 35.0 mL sample of argon gas has a pressure of 1.0 atm and a temperature of 150 C. What is the final volume if the pressure goes to 2.0 atm and the temperature to 450 C?

Which best represents the law of conservation of mass? mass of reactants > mass of products mass of reactants < mass of products mass of reactants = mass of products mass of reactants → mass of products

How many Oxygen elements are in a carboxylic acid

56. What would be the valence electrons of 14Si, 16S, 32Ge respectively? A. 4, 2,2 B. 4, 6,8 C. 4, 6,6 D. 4,6,4

Many esters have characteristic odors. Methyl salicylate exhibits a pleasant wintergreen odor. This ester can be prepared from salicylic acid and methanol via Fischer esterification.

Andy has two samples of liquids. Sample A has pH of 4, and sample B has a pH of 6. what can Andy conclude about these two samples? Sample A is a neutral b alkali c acidic Sample B is a neutral b alkali c acidic

How does a lone pair contribute to molecular shape? A. It is too small to affect the molecule's shape. B. It takes up space like an "invisible" atom. C. It forces the molecule into a tetrahedral shape. D. It lets the bonding pairs spread out more.

The are of a rectangle is 12 in^2. what is the area in cm^2. there are 2.54cm in an inch.

Which statements describe advantages of models? Check all that apply. Models make it possible to easily notice patterns. Models can be used to communicate and test design ideas. Models allow scientists to predict relationships.

Are energy levels and orbitals the same thing?