Answer the following question for the compound (SrHz). 1. Write down the Lewis DOT symbol of the product
SrH>
2. Write down the ionic form of these products:
3. [Sr2+ ] is isoelectronic with which element of the group-7

Based on the law of conservation of energy, which statement is false? answer- energy is lost when machines dont work right

Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa