219 86 Rn —>215 84 Po+a The nuclear equation shows the transmutation of a form of radon into polonium and an alpha particle. In one to two sentences,

explain whether or not the reaction is balanced.

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

a. hope i'm right

explanation:

they are all solids.

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l