A solution is prepared by adding 100 ml of 0.2 m hydrochloric acid to 100 ml of 0.4 m sodium formate. is this a buffer solution, and if so, what is its ph?

How does a chemical reaction change from start to finish?

Calculate the density (in g/mL) of a liquid that has a mass of 0.115g and a volume of 0.000265 L

If 15.0 g of a solid dry ice (Co2) is placed into an evacuated 5.00 L container and allowed sublime until it is entirely in the gas phase, what pressure (in atm) will the gas exert at 299 K?

Classify these compounds as acid, base, salt, or other.? 1. ch3oh 3. hno3 5. nabr

Cuales son las reservas de petróleo en argentina?

Which of the following describes the characteristics of a solid? made up of particles packed closely together, having both definite shape and definite volume made up of particles packed relatively close together, having an indefinite shape but a

What are fossils? What is the fossil record? Why is the fossil record important?

List the types of friction in order from weakest to strongest

Why is a spectrum for a given element unique for that element? A. No element has more than two electrons in the first shell. B. Each element has a unique arrangement of electrons. C. Atoms of different elements have different masses. D.

All substances taking part in a certain interaction are shown below: Butane is written followed by an addition sign followed by Oxygen followed by an equal to sign followed by Carbon dioxide followed by an addition sign followed by Water.