The electronic configuration of an element is 1s^2 2s^2 2p^6. Hkw many valence electrons does it have

The volume of a sample of water is 2.5 milliliters (mL). The volume of this sample in liters (L) is A.) 2.5 x 10^-3 L B.) 2.5 x 10^-2 L C.) 2.5 x 10^2 L D.) 2.5 x 10^3 L

What is an investigation which all conditions are controlled

Which of these is an organisms? a bacteria b heart c virus d long

Identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base in each reaction: (a) (CH3) 3N (aq) + H2O (l) ⇌ (CH3) 3NH + (aq) + OH - (aq) (b) HNO3 (aq) + H2O (l) ⇌H3O + (aq) + NO3 - (aq) Drag the appropriate

How can we tell if there's a chemical reaction in baking cookies

Consider the reaction N2 (g) + 3 H2 (g) 2 NH3 (g), which is exothermic as written. What would be the effect on the equilibrium position of adding N2 (g) ?

According to Table I, which equation represents a change resulting in the greatest quantity of energy released? 1. 2C (s) + 2H2 (g) - > C2H4 (g) 2. 2C (s) + 3H2 (g) - > C2H6 (g) 3. N2 (g) + 3H2 (g) - >2NH3 (g) 4. N2 (g) + O2 (g) - > 2NO (g)

Calculate the number of liters in 3.25 g of ammonia

Adding drops of food coloring to a beaker of water more organized system?

Some chemical hazards are physical and some are related to the potential health effects of exposure. Click only one box for each response Toxicity Carcinogenic Flames Inhalation hazard Flying objects