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How many moles of N2O5 are needed to produce 7.90 g of NO2?
2N2O5 = 4NO2 + O2

What is 34,000 in scientific notation?

What percent of 24 is 18?

How to prove this ?
if #7k^2# then #7k# for some #k\inZZ#

How do you find the domain and range of #F(c)=9/5c + 32#?

How do you solve #\frac{x}{4} + 2\leq 3#?

How do you solve this system of equations: #6x  7y = 19 and 3x + 4y = 2#?

What is 250% of 44?

What is the equation of the line passing through the point (4, 6) and parallel to the line y= 1/4x + 4?

How do you solve and write the following in interval notation: # 12(x4) +3 > 4x  4  5x#?

How do you write an equation of a line given (20,10) and (5,15)?

What is the balanced equation of the reaction between gaseous propane and and oxygen gas?

How do you find slope and intercepts to graph #9x5y=4#?

Line CD is tangent to circle A at point B. segment AB is a radius of circle A. what can be concluded about angle ABD?