Use the References to access important values if needed for this question. Use the rules (in order) to assign oxidation numbers to each of the elements in the compounds below arsenic acid H3ASO4 carbon dioxide CO₂ H As O CO V hydrogen phosphite ion H PO HPO3²-

What is(are) the spectator ion(s) for the following reaction?Ag2NO2 + HI →   No spectator ion.   All ions are spectator ions, no reaction.   NO2‾   H+ and NO2‾

80°F Sunny The oxidation number of an element can vary. O True Search F8 6725 F9 O False - « Οι F10

Give the net ionic equation for the reaction (if any) that occurs when aqueous solutions of H2SO4 and KOH are mixed.

Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. When aqueous solutions of sodium phosphate and calcium iodide are combined, solid calcium phosphate and a solution of sodium iodide are formed. The net ionic equation for this reaction is: + +

Help please

Determine net ionic equations, if any, occuring when aqueous solutions of the following reactants are mixed. Select "True" or "False" to indicate whether or not the stated reaction (or "no reaction") correctly corresponds to the expected observation in each case. Magnesium chloride and sodium hydroxide; No reaction occurs. Sodium bromide and hydrochloric acid; No reaction occurs. Copper(II) sulfate and ammonium carbonate; No reaction occurs. Nickel(II) chloride and lead(II) nitrate; No reaction occurs. Sodium phosphate and potassium nitrate; 2Na+ (aq) + NO2- 3 (aq) ------> Na2NO3(s)

What is the reaction mechanism for the major product? Please draw.

Specify what ions are present in solution upon dissolvingeach of the following substances in water: (a) FeCl2,(b) HNO3, (c) 1NH422SO4, (d) Ca1OH22

Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of lead (II) nitrate and sodium hydroxide are combined. Be sure to include states such as (s) or (aq). + +