What is the mass in grams of a chlorine atom Cl & a hydrogen chloride molecule, HCl?
Anonymous Quiz
18%
5.90×10-23g and 6.06×10-23g
39%
35.5g and 36.5g
35%
35.5 g/mol and 36.5g/mol
8%
35.5g and 34.5g
75 g of water at 100deg cel is added to 20 g of ice at -15deg cel. Determine the resulting temperature in deg cel. Given that latent heat of ice = 80 cal/g and specific heat of ice = 0.5 cal/g/oC.
Anonymous Quiz
28%
68.5
42%
60.5
13%
67
16%
78.34
A sample of sulphur contains 0.253moles of sulphur atom. How many atoms of S are in the sample?
Anonymous Quiz
11%
1.52×0^-10 atom
26%
1.52×10^-15 atom
23%
1.52×10^15 atom
41%
1.52×10^23 atom
A charge Q is to be distributed over into two small objects. What should be the value of the charge on the objects so that force between the two objects becomes maximum, when they are kept a given distance apart?
Anonymous Quiz
16%
Q
32%
Q/4
46%
Q/2
6%
Q/6
Two positive point charges q1 = 16 μC and q2 = 4 μC, are separated in vacuum by a distance of 3.0 m. Find the point on the line between the charges where the net electric field is zero.
Anonymous Poll
43%
2m from q1 charge
35%
1m from q2 charge
39%
1m from q1 & q2 charge
22%
2m from q1 & q2 charge
Find the orientation of the dipole with respect to electric field for which the torque is half the maximum value
Anonymous Quiz
20%
60deg
42%
45deg
20%
30deg
19%
90deg
A molal solution is one that contains one mole of solute in
Anonymous Quiz
33%
1000g of solvent
46%
22.4L of solution
12%
1.0L of solution
8%
1.0L of solvent
In which mode of expression, the concentration of a solution remains independent of temperature
Anonymous Quiz
40%
Molality
18%
Formality
25%
Molarity
17%
Normality
Media is too big
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