Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 21335
TLS Online TPP Program

#Question id: 20133

For the combustion of 1 mole of liquid benzene at 25ºC, the heat of reaction at constant pressure is given by, C6H6(l) + 7 O2 (g) → 6CO2 (g) + 3H2O (l); DH = –780980 cal.
What would be the heat of reaction at constant volume?

#XL - P Chemistry
  1. –780090 cal
  2. –780890 cal
  3.  –780000cal 
  4. –780900 cal
More Questions
TLS Online TPP Program

#Question id: 11088

#XL - T Zoology

At a fraternity party a 17-year-old male places a paper bag over his mouth and breathes in and out of the bag. As he continues to breathe into this bag, his rate of breathing continues to increase. Which of the following is responsible for the increased ventilation?
TLS Online TPP Program

#Question id: 12585

#XL - R Botany

Agricultural lands frequently require nutritional supplementation because
TLS Online TPP Program

#Question id: 4619

#XL - S Microbiology

Within six months of effectively using methicillin to treat S. aureus infections in a community, all new S.aureus infections were caused by MRSA. How can this best be explained?
TLS Online TPP Program

#Question id: 16115

#XL - T Zoology

Cold environmental temperatures:
TLS Online TPP Program

#Question id: 20233

#XL - P Chemistry

In O-2  , O2 ,  O2-2  molecular species the total number of antibonding electrons respectively are