1 kWh = ___J

1 e V = _______ J.

1 BOT =3.6xx ___________ J.

Let S_(1) = sum_(j=1)^(10) j(j-1).""^(10)C_(j), S_(2) = sum_(j=1)^(10)j.""^(10)C_(j) , and S_(3) = sum_(j=1)^(10) j^(2).""^(10)C_(j) . Statement 1 : S_(3) = 55 xx 2^(9) . Statement 2 : S_(1) = 90 xx 2^(8) and S_(2) = 10 xx 2^(8) .

What is be the strength of current through a heater coil if a 220 V-0.5 kWh heater is used in 220 V line ?

1 kg *m=…………J . [Fill in the blank]

The value of 'R' in J*K^(-1)*mol^(-1) unit is_____.

If vec a=x hat i+(x-1) hat j+ hat k and vec b=(x+1) hat i+ hat j+a hat k make an acute angle AAx in R , then find the values of adot

Calculate heat of combustion of benzene at constant pressure at 27^@C . (R=8.3 J mol^-1 K^-1)

A stirrer rotates in 1l of water against a damping force of 0.1 N at 360 rpm in a circle of radius 5 cm. Calculate the rise in water temperature in 1 h, neglecting heat loss due to radiation . (J k= 4.2 J cdot cal^(-1))