The Law of Conservation of Mass states that matter cannot be created nor destroyed. The first two reactants have a total of 23 grams so therefore the product must have 23 grams as well.
23 - 16 = 7
There would be 7 grams of hydrogen gas.
<span>Kc = [NO2]^4 / [N2O]^2[O2]^3</span>
iodine which should appear before tellurium and argon which should appear after potassium
There is a 3rd one: nickel should appear before cobalt
Which of these measurements is expressed as three significant figures?
C. 4.20 g