anderson will roll two standard six sided dice once. what is the probability that the two numbers rolled will be the same? express your answer as a common fraction
three consecutive primes are summed. when the sum is squared, the result is 72,361. what is the largest of the three primes?
how many positive integers less than or equal to 100 have a prime factor that is greater than 4?
Which century did the industrial revolution start?
a 10.0L ballon contains helium gas at a pressure of 655mmHg, what is the new pressure, in mmHg, of the helium gas at 20.0L, if no change in temp or amount of gas
If PV=nRT, (100)(2x10^-5)=(n)x(8.31)x(300), n is 8.02x10^-7. How did you manage to get the mr of 42?
0.0337g of a volatile liquid when vaporized completely at 100Pa and 300K occupied a volume of 20cm3. When this volume of vapor was completely burnt in an excess of oxygen, 40cm3 of carbon dioxide and 20cm3 of water vapor were formed. All volumes being measured at the same temp...
calculate the energy, in joules and calories required to heat 25.0g of water form 12.5 deg. celcius to 25.7 deg. celcius i know the answer just need to see how to do it especially the calories
You could have hurt a loved one in many different ways: - not being honest - loss of trust - cheating on your partner - abusive tendencies; yelling, physical contact - letting them down Think to a time when your loved one had been angry or sad with your about something. What d...
Upon recalculating this you are definitely correct...log(1.6667)=0.22 so 7.2+.22=7.42 and the pH is then 7.42 Thanks again for your help.