Consider the balanced reaction below: 2N205 → 4NO2 + O2
How many moles of N205 are needed
to produce 7.90 g of NO2?
[?] moles N205
Enter

+= + + balance the equation on coefficients, ex. 1,1,1

Which of the following is a property of nonmetals? a.nonmetals are ductile. b.nonmetals have a shiny luster. c.nonmetals have high density. d.nonmetals are nonconductors.

Consider these four line graphs representing speed in meters/second, where each x-axis is labelled in seconds and each y-axis is labelled in meters. which line graph indicates the greatest speed at 5 seconds?