Molecular equation
Hg₂(NO₃)₂ (aq) + KI(aq) ⇒Hg₂I₂(s) + 2KNO₃(aq)
Total Ionic equation
Hg²⁺(aq) + 2NO³⁻(aq) + 2K⁺aq) ⇒Hg₂I₂(s) + 2K⁺(aq) + NO³⁻ (aq)
Net Ionic equation
Hg²⁺(aq) + 2I⁻(aq) ⇒ Hg₂I₂(s)
<h3>What is the molecular equation?</h3>
Sometimes, a balanced equation is all that is used to refer to a chemical equation. Any ionic substances or acids are represented using their chemical formulas as neutral compounds in a molecular equation. Each substance's state is described in parenthesis after the formula. A complete ionic equation also contains the spectator ions, whereas a net ionic equation just displays the chemical species that are involved in a reaction.
The steps listed below can be used to determine the net ionic equation for a specific reaction:
Include the states of each chemical in the balanced molecular equation for the reaction.
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When I was on the phone with my bio teacher I asked she said endothermic
Get to know first how many moles in the gas:n = pV/RT= (1.013*10^5*750/760) Pa *1.49*10^-3 m^3/(8.314 J/(molK)*298) n = 0.0601 moles.
The combustion energies are 889 kJ/mol (methane) and 2 220 kJ (propane) x = moles methane, y = moles propane
x*889 + y*2220 = 778 x + y = 0.0601----------- x = 0.267784 moles = 0.267784*100/0.0601 = 44.6 % y = 0.243216 moles = 0.243216*100/0.0601 = 55.4 %
Answer: Option (A) is the correct answer.
Explanation:
When the questions are technical and may require some research from the interviewee then an interviewer want to provide the interviewee a list of questions before the interview.
As only in this case, interviewer wants the interviewee to take some time in order to think about the particular question and then answer it appropriately.
As if there is no list of questions then there are changes that interviewee will forget about some useful point which is important to keep in mind before answering.
Answer: Una manera de describir la composición de una solución es el porcentaje en ... Se prepara una solución mezclando 1 g de etanol, con 100 g de agua. ... •Este método expresa la concentración como gramos de soluto por 100 mL de solución. ... alcohol con suficiente agua para dar un volumen total de 50 mL de solución
Explanation:
