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Questions Asked

shaqadry:
Determine pH of 0.165 M NH4Cl
 updated one year ago
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Mathematics

shaqadry:
A mixture of Na2CO3 and NaHCO3 has a mass of 82.8 g . It is dissolved in 1.00 L of water and the is found to be 9.92. Find mass of NaHCO3 i…
 updated one year ago
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Mathematics

shaqadry:
Two wires separated by a distance of 22 cm carry currents in the same direction. The current in one wire is I1 = 1.5 A , and the current in…
 updated one year ago
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Mathematics

shaqadry:
A 0.57 m copper rod with a mass of 0.13 kg carries a current of 13 A in the positive x direction. Let upward be the positive y direction.
…
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Mathematics

shaqadry:
What are possible errors in the kirchhoff's law experiment?
 updated one year ago
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Mathematics

shaqadry:
what is the applications of kirchhoff's rule?
 updated one year ago
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Mathematics

shaqadry:
solve 3 sin^2 x  2 = cos x
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 17 replies
 1 Medal
Mathematics

shaqadry:
how to solve 3 sin^2 2x + 2 cos 2x  2 = 0
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Mathematics

shaqadry:
Which leukocyte is predominant in blood smear? Explain by comparing it with other leukocytes and RBC?
 updated one year ago
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Mathematics

shaqadry:
10.0 cm3 of a solution of KOH is completely neutralized by 16.4 cm3 of a solution which has a pH of 2.20. Calculate the molarity of the KOH …
 updated one year ago
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Mathematics

shaqadry:
When an ion accelerates through a potential difference of 2310 V, its electric potential energy decreases by 7.40×10−16 J. What is the charg…
 updated one year ago
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Mathematics

shaqadry:
A parallelplate capacitor is constructed with circular plates of radius 6.3×10−2 m . The plates are separated by 0.23 mm, and the space bet…
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Mathematics

shaqadry:
solve sin^2 x +2 sinx cosx = 0
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Mathematics

shaqadry:
solve tan 2x  cot 2x = 0
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Mathematics

shaqadry:
solve tan 2x  cot 2 x = 0
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Mathematics

shaqadry:
solve sin 4x  cos 2x = 0
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Mathematics

shaqadry:
can the thumb be used for measuring heart pressure? explain.
 updated one year ago
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Mathematics

shaqadry:
Why is it important that the AV node relaying the electrical impulse moving from SA node and the atria to the ventricle.
 updated one year ago
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Mathematics

shaqadry:
Kc and Kc’ are the equilibrium constants for reactions I and II respectively.
I. 3H2(g) + N2(g) ⇄ 2NH3(g)
…
 updated one year ago
 5 replies
 1 Medal
Mathematics

shaqadry:
For the reaction:
2NO2(g) ⇄ N2O4(g) ,
…
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Mathematics

shaqadry:
Describe how to identify whether the order of the reaction is zero order, first order or second order?
 updated one year ago
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Mathematics

shaqadry:
by observing the cardiac gland, pyloric gland and duodenum explain how digestive system work efficiently?
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Mathematics

shaqadry:
by observing the mammal cardiac stomach, mammal pyloric stomach and mammal duodenum explain how digestive system work efficiently?
 updated one year ago
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Mathematics

shaqadry:
Two point charges are on the x axis. Charge 1 is +q and is located at x= 1.0 m; charge 2 is +2q and is located at x=1.0 m. Make a sketches …
 updated one year ago
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Mathematics

shaqadry:
Suppose the conducting wire (with resistance R) was replace with one of the same material but has its dimension doubled (the length and the …
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Mathematics

shaqadry:
Hydrogen iodide decomposes on heating according to the equation :
2HI > H2 + I2
…
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Mathematics

shaqadry:
Please describe gas exchange refer to Dalton’s law of partial pressure.
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Mathematics

shaqadry:
Two point charges lie on the x axis. A charge of 6.2 x 10^6 is at the origin, and a charge of 9.0 x 10^6 is at x=10.0 cm. What is the net…
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Mathematics

shaqadry:
if reaction is carried out at higher temperature, how would the value of rate constant change?
 updated one year ago
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Mathematics

shaqadry:
Consider reaction : C2H4 + 3O2 > 2CO2 + 2H20
When O2 is decreasing at 3.6 mol/Ls, how fast is CO2 increasing?
…
 updated one year ago
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Mathematics
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