Recent content by moimoi24

thank you so much guys...

So fluorescent strip is really the long cylindrical tube while the fluorescent lamp is the twisted one? Honestly i am not familiar with the CF globes that you mention. Thank you so much for the help...

i am from the Philippines, thank you so much. i really just get confused between the two.

How about in the appearance? how do they differ?

I just want to know the difference between fluorescent strip and compact fluorescent lamp... Thanks.

i think it should be100C - tf, since there is a decrease in temperature. my answer is 90C, is that correct?

is it 2800 g x 0.43J/gC x 70 C?

i solve it again and i got 114 as the answer because of 0.43KJ/KgC, it will be 0.43J/gC... Please help me with this one, what makes it wrong?

Homework Statement A 2.8 kg sample of a metal with a specific heat of 0.43KJ/KgC is heated to 100.0C then placed in a 50.0 g sample of water at 30.0C.* What is the final temperature of the metal and the water? Homework Equations heat loss by the metal = heat gain by the water The...

Thanks a lot...

Thanks a lot... it really helps... God bless...

i was able to solve the second, i got 45g using the formula given by rl.bhat, thanks a lot.. just the first, please...

please explain to me why the answer in the first question is zero? Thanks..

Homework Statement Some aluminum rivets of total mass 170 g at 100°C are emptied into a hole in a large block of ice at 0°C' a. What will be the final temperature of the rivets? b. How much ice will melt? Homework Equations none The Attempt at a Solution Please help me answer...

Thank you so much for the help...