if it takes 50.0 mL of 5.0 M Calcium Hydroxide to completely neutralize 150.0 mL of nitric acid, what is the concentration of the nitric acid solution?​

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c