3 NO2 + H2O --> 2 HNO3 + NO. If 25 grams of nitrogen dioxide reacts in an 5 poin excess of water, what mass of HNO3 will be produced?
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The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Find the mass in grams of 1.37x1020 particles of h3po4

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?