SIN^2 A- COSA=1÷4 by using trigonometric equations​

In a closed or isolated system , matter can not be created or destroyed. it can change forms but is conserved true or false

Explanation for basic character?

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8