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Some hypothetical reactions are given as 2 A2D(g) ---> 2 A2(g) + D2(g) , A2B3(g) ---> 2 A(g) + 3 B(g) , A(g) + B2(g) ---> AB2(g), 5 B(g) ---> B5(g) , B4(g) ---> 4 B(g) where all compounds are assumed as covalent then determine which reaction must be endothermic and also explain your answer briefly?
Explain a resting nerve cell membrane, sodium-potassium pump, action potential and what wil happen if sodium channels were blocked
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
Describe how this observation is consistent with the law of conservation of charge.
Considering the given equation KOH + CH 3 COOH ---> KCH 3 COO + H 2 O determine the volume of 0.157M solution Potassium hydroxide is essential to react with 0.385g of Acetic acid? express your answer in mL
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
As per the Haber Process(N2(g)+ 3 H2(g)= 2 NH3(g) ) ,what mass of nitrogen should you see in the reaction If you must produce 700g of ammonia? Percent yield of this reaction = 70%
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
Calculate the mass in grams for a sample of Al that absorbs 1.70kJ when the temperature increases from 56 degree Celsius to 177 degree Celsius?
Have you observed that when you spill water over your skin on a hot day it will cool you down but if you spill vegetable oil in place of water it will not cool you down give explanation for this difference?
Calculate the PH of this solution.
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
Neon(Ne) is a noble gas with atomic number 10 this is a odorless, colorless, inert monatomic gas under standard conditions but explain some facts about Neaon.
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