How many moles of Ba (NO3) 2 are there in 0.25 L of a 2.00 M Ba (NO3) 2 solution?

A salt could be formed by an alkali metal and a (n) a. halogen. b. metalloid. c. transition metal. d. alkaline-earth metal.

How can you make the polymer stretch the farthest?

In the atmosphere, under the effect of ultraviolet rays, oxygen molecules combine to form ozone molecules, and ozone molecules also photodissociate to form oxygen molecules.

Take a look at the weather map. The front seen there causes short periods of storms and heavy rains. What type of front is this? A. cold front B. warm front C. occluded front D. stationary front

Which of the following is an example of a phenotype? A. Red hair B. Codominance C. Heredity D. homozygous recessive

Regalo puntos : v vengan a mi prros

Write a net ionic equation for the overall reaction that occurs when aqueous solutions of phosphoric acid (h3po4) and potassium hydroxide are combined. assume excess base. use the pull-down boxes to specify states such as (aq) or (s).

What are the coefficients that will balance the skeleton equation below? n + h ⟶ nh?

Restate Newtons first law in terms of acceleration

Why is burning is not a recommended method of disposing plastics