Which of the following is not an appropriate unit for power?
a. horsepower
b. watt
c. joule/sec
d. newton/sec

The correct answer is Option D.

Explanation:

Power is defined as the amount of work done in a unit time.

Mathematically,

S.I. Unit for power is Watt and other units that are used to measure power are horsepower, ergs/sec, Joules/ sec and many more.

Power is also defined as the product of force and velocity. Mathematically,

The units for this equation or power will be N.m/s (Newtons. meter per second)

Hence, the correct answer is Option D.

they it depends on if one believes about radioactivity, they make a geiger counter beep but maybe it was going to beep anyway electronics do wierd things all the time or it was programmed to beep near certain metals.

as given the equation is

2al + 6 hcl > 2 alcl3 + 3 h2(g)

as per equation two moles of aluminum reacts with six moles of hcl to give two moles of alcl3 and three moles of hydrogen gas

given: three moles of al are present and 7 moles of hcl

for three moles of aluminum nine moles of hcl will be required

however as 7 moles of hcl are present so the limiting reagent is hcl

hcl is going to decide the number of moles of product formed

when six moles of hcl are present = 3 moles of h2 are formed

when one mole of hcl is present == 3/6 mole sof h2 will be formed

when 7 moles of hcl are present = 3 x 7/ 6 moles of h2 will be formed = 3.5 moles of h2