Which of the following radioisotopes is naturally occurring?

93^239Np

53^131I

102^254No

96^242Cm

The equilibrium constant for the formation of ammonia from nitrogen and hydrogen is 1.6 x 102. What is the form of the equilibrium constant? . [NH3]2 [N2][H2]3 . [NH3]_ [N2][H2]3 [NH3]2 [N2][H2] [NH3]2 [N2][3H2]3

A 1.268 g sample of a metal carbonate, MCO3, was treated 100.00 mL of 0.1083 M H2SO4, yielding CO2 gas and an aqueous solution of the metal sulfate. The solution was boiled to remove all of the dissolved CO2 and then was titrated with 0.1241 M NaOH.

What can be added to water to make it evaporate occur faster (e. g. sand)

What quantity is a scalar quantity?

Calculate the percent by mass sulfur in sulfuric acid, h2so4.

A mixture consists of sand and an aqueous salt solution. Which procedure can be used to separate the sand, salt, and water from each other? (1) Evaporate the water, then filter out the salt. (2) Evaporate the water, then filter out the sand.

Identify the components of a fuel cell. zinc-manganese hydrogen-oxygen nickel-metal hydride lithium ion nickel-cadmium

For the reaction hconh2 (g) ânh3 (g) + co (g), k = 4.84 at 400 k what can be said about this reaction at this temperature?

What would be the effect on the nucleus of an atom if it emitted one alpha particle and one gamma ray

What is the formula for lead (IV) sulfide