A compound is acidic if it can donate hydrogen ions to an aqueous solution, which is equivalent to saying the compound is capable of creating hydronium ions (H30+). The general equation describing what happens to an acid (HA) in solution is: HA + H20 <--> H30++ A-, where A-is the...
How to calculate pH of a solution? Learn about pH equation and how this equation can be used when finding pH of a given solution. Also, see examples. Related to this Question Identify and discuss the properties of water. Describe where common substances belong on the pH scale. ...
To obtain a perspective of failure rate from an example, let us assume that an electronic system contains 1,000 semiconductor devices, and that it can tolerate 1% system failures per month. The equation for the device failure is: λ = Proportion allowed system failures Time period In the ...
To obtain a perspective of failure rate from an example, let us assume that an electronic system contains 1,000 semiconductor devices, and that it can tolerate 1% system failures per month. The equation for the device failure is: λ = Proportion allowed system failures Time period In the ...
pH=一Ig{c(H30+)} 与pH对应的还有pOH,即: pOH=一Ig{c(OH。)) pH是用来表示水溶液酸碱性的一种标度,pH越小,c(H30+)越大,溶液的酸 性越强,碱性越弱。 判断溶液的酸性或碱性: 酸性溶液:pH<7.0,c(H30+)>10—7mol/L 中性溶液:pH---7.0,c(H30+)=10-7mol/L 碱性...
NH4+(aq)+H2O(l)⇌NH3(aq)+H3O+(aq) H3O+ Answer and Explanation:1 Answer:The pH of the solution is 4.88 Explanation: NH4Iis a salt of a weak baseNH3and a strong acidHI. The... Learn more about this topic: Strong & Weak Acids & Bases | ...
The DPPH radical scavenging activity was calculated by the equation: activity (%) = [(control Abs (A0)– sample Abs (A1))/control Abs (A0)] × 100, where A0 is the absorbance of the negative control (2 ml of methanol solution of DPPH radical + 1 ml of 5% DMSO) and A1 is the ...
ER was obtained from the difference of ammonia concentrations between the chamber containing mussels and the control cham- ber according to the equation: Scientific Reports | 7:40015 | DOI: 10.1038/srep40015 8 www.nature.com/scientificreports/ U = (Cs − Cc) × V/Nt (4) where U ...
(V) to the volume at preparation (V0), calculated by equation shown below: V/V0 = (d/d0)3 (1) d is the diameter of the swollen hydrogel,Van{Vd0d0"is tphde{dd0iqa3meter of the hydrogel in the reference state(.1) d is the diameter of the swollen hydrogel, and d0 is the ...
Kinetic parameters were then obtained according to the profile of Eadie–Hofstee plots using the standard Michaelis–Menten equation described as follows: V = (VmaxS)/(Km + S) where Km is the Michaelis–Menten constant and Vmax is the maximum rate of forming wogonin. The kinetics parameters ...