Wednesday
June 19, 2013

Posts by Carl

Total # Posts: 196

TRIGONOMETRY HELP
Prove that: (tan²Θ)x(sin²Θ) = (tan²Θ)-(sin²Θ) show work

Art History
What may have been one cause for the relative lack of artistic production in Florence during the High Renaissance (after the death of Lorenzo), and the relative increased artistic production in Rome during this period?

Urgent Chem Help
A certain substance has a heat of vaporization of 55.30 kJ/mol. At what Kelvin temperature will the vapor pressure be 3.50 times higher than it was at 361 K?

Science
Some nitrogen atoms have seven neutrons and some have eight neutrons. These two forms of nitrogen are: a. ions of each other b. phases of each other c. isotopes of each other and how exactly do you know? My book doesn't cover this at all yet its in my homework so im not sure

Scientific Notation
I got all of them so far EXCEPT this one... help? Thank you! Convert the following into scientific notation: 1/137

Math
Compute the following special functions. Keep the correct number of significant figures. 10^5.4 Can somewhere help me with this? Is it as simple as putting it into my calculator just like that? if so, how do I know what the correct number of sig figs are since the worksheet do...

trig/sig figs
There are 60" in 1', 60' in 1°, and 2π radians in 360°. Convert arc-seconds into radians. KEep 6 significant figures. If someone could help and walk me through this process, it would be soooo appreciated!

multiplying and significant figs
Thank you so much! What about 1300 * 2.16? I know that probably also looks very simple but sig figs are confusing me, such a new concept.

multiplying and significant figs
Multipy and keep only the correct number of significant figures. 101.6 * 3

astronomy/conversion
There are 365.25 days in a year, 24 hours in a day, 60 minutes in an hour, and 60 seconds in a minute. Convert years into seconds. Show your work and keep 5 significant figures. Ok, so finding it is easy (multiply 24, 60, 60 and 365.25) but how does the significant figures par...

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members
Community
FEATURES