When hydrogen reacts with ethene, what is the product?
a. Cycloethene
b. Ethane
c. Propene
d. Ethyne
e. Methane
b
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Uniform Circular Motion: A 1000-kg car is moving at 30 m/s around a horizontal unbanked curve whose diameter is 0.20 km. What is the magnitude of the friction force required to keep the car from sliding?
A. 9000 N B. 9800 N C. 300 N D. 900 N E. 3000 N
The most recent features on the Moon's surface are the bright rayed craters like Copernicus, sitting atop the older mare flows
Indicate whether the statement is true or false
The figure shows the distance versus time graph of an object
The acceleration of the moving object is
a.
zero.
b.
constant.
c.
increasing.
d.
decreasing.
e.
not determinable.
A principal mechanism for energy loss during nuclear fusion is bremsstrahlung. This loss is associated with
a. x-rays emitted due to electron-ion collisions. b. radiation losses due to T4 losses. c. conduction losses associated with ?T. d. convection losses associated with ?T. e. neutron collisions with atoms of moderator.