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minerva
Questions and answers by visitors named
minerva
Questions (14)
if a 10cm cube pipette were not available, which one of the following would be the best way of measuring a 10cm cube portion of
1 answer
529 views
trighloroethane is a slvent used to remove grease from clothings. how, after use, is the solvent separated form the grease?
a,
1 answer
514 views
find the compund interest on $2500 for one year at 4% per annum compounded half-yearly.
which of these is correct? $2500(1 +
6 answers
1,265 views
how do i solve this equation? there is another answer other than 0, but i am not sure how to get it.
5x^2 + 7x =0 factor the
2 answers
634 views
'the scale of a mercury-in-glass thermometer is linear. one such thermometer has a scale extending from -10 degrees Celsius to
4 answers
3,525 views
the thread of mercury in a thermometer is 17cm when placed above boiling water, and 9cm when dipped in melting ice. how long
3 answers
757 views
how do i calculate the sensitivity of thermometers?
1 answer
579 views
what is absolute zero? if 0 kelvin is the lowest temperature we can ever get, then does it mean that -273 degree Celsius is the
1 answer
832 views
please explain to me what is e.m.f.
e.m.f. stands for electromotive force. It is the work done per unit charge (Joules per
1 answer
513 views
what is thermal equilibrim, and what is thermal energy? what are fluid molecules? does convectin involve the movement of matter
3 answers
1,124 views
if i flip a coin, will the coin stop moving upwards first before it starts to move down? in other words, is there a moment when
1 answer
426 views
would i feel warmer or cooler in a back t-shirt at night?
i know that i will feel hotter in a black t-shirt on a hot day since
1 answer
1,169 views
twelve men take 6 hours to finish a piece of work. after the 12 men have worked for 1 hour, the contractor decides to call in 8
3 answers
1,457 views
i need pennfoster answer text 007680
3 answers
396 views
Answers (1)
i need help with ppenfoster answer 007678
