Me. i am a little stuck on what to do. it's been a few months since i have balanced equations, and i know that is one of the steps. i'm very confused on what to do, will someone me?

in the following balanced neutralization reaction equation, how many moles of ca(oh)2 are required to completely neutralize 1.2 moles of hi? 2hi + ca(oh)2 → cai2 + 2h2o a) 1.2 moles b) 0.6 moles c) 2.4 moles d) 1.0 mol

warning: plato student

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

What is the mass of 4 molecules of co2

The scheme below is from a series of reactions that are part of a synthesis of vitamin a. answer the following questions with reference to this scheme. (i) what is "reagent a"? (ii) draw a step-by-step mechanism which explains the formation of compound c from compound b (iii) which reagents would you use to form compound e from compounds c and d (reagents b and c)? for each reagent suggested above in (ii) explain the role of the reagent in the reaction to (iv) form compound e. you may wish to do this by drawing a mechanism. 1. addition of reagent a но reagent a 2. н,о" thо oh нон-с compound a. compound b. compound c .ch-оh 1. reagent b "сно 2. reagent c сh oh compound e. compound d.