A compound of nitrogen and oxygen has the formula NO2. How many grams of oxygen would be combined with 87g of Nitrogen in NO2?

Who is better, messi or cristiano, i need this for a chemistry class. asap

Which of the following statements is true about planck’s law

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2