Why were more than 2 total atoms needed to create this compound?

In the reaction 2H2O (l) + 2Cl - (aq) → H2 (g) + Cl2 (g) + 2OH - (aq), which substance is reduced? A. H2O B. Cl C. H D. OH E. None of the Above (This is not a redox reaction.)

Cyanogen is a gas which contains 46.2% C and 53.8% N by mass. At a temperature of 25°C and a pressure of 750 mm Hg, 1.50 g of cyanogen occupies 0.714 L. What is the molecular formula of cyanogen?

The nuclear binding energy of one nitrogen-14 atom is (BLANK) x 10A J. Round to 3 significant digits. What is the answer to the blank?

An atom: 1) is the smallest whole unit of matter 2) can form one or more elements 3) is the smallest whole unit of matter with the properties of a specific element 4) all of the above

Earth is closest to the sun when it is summer in the a. southern h b. northern h c. western h d. eastern h

Consider mixing 25.00 mL of 0.0200 M of each of the following of solutions. In which of the following will a precipitate form: Na2SO4 mixed with Ba (NO3) 2 NH4Cl mixed with Mg (NO3) 2 KF mixed with Ba (NO3) 2 MgCl2 mixed with Na2CO3

How many liters of chlorine gas at 650 mmhg and 25c can be produced by the reaction of 2.00 l of 2.50 m hcl solution with excess mno2?

What is the theoretical yield of H2S

How many atoms are there H, SO

How does the shape of the Earth affect the climate of different regions?