How many moles of ammonia (nH4) are there in 405 liters of ammonia at STP?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.