Related Questions

For a __________ order reaction, the units of rate constant and rate of reaction are the same.
A Zero
B First
C Second
D Fractional
The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month?
A 1950
B 1560
C 1840
D 1680
A certain machine produces 1,000 units of product P per hour. Working continuously at this constant rate, this machine will produce how many units of product P in 7 days?
A 7,000
B 24,000
C 40,000
D 168,000
A certain machine produces 1,000 units of product P per hour. Working contineously at this constant rate, this machine will produce how many units of product P in 7 days?
A 7,000
B 24,000
C 40,000
D 168,000
In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be
A Greater than 1.0
B Less than 1.0
C Equal to zero
D Equal to 1.0
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of
If machine A polishes x units in 12 minutes and machine B polishes 5x units in 40 minutes, in how many minutes will A and B. working together, polish 50x units?
A 240
B 300
C 350
D 120
দুইটি বিপরীতমুখী বলদ্বয়ের লব্ধি 12 units এবং বলদ্বয় হতে যথাক্রমে 3 units এবং 4 units দূরে ক্রিয়াশীল। বলদ্বয়ের মান কত?
A 48 and 36 units
B 48 and 48 units
C 40 and 36 units
D 40 and 40 units
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
A 50 units
B 60 units
C 70 units
D 80 units
Specific rate constant for a second order reaction
A Is independent of temperature
B Varies with temperature
C Depends on the nature of the reactants
D Both B and C

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