This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: According to the following reaction, how much energy is evolved during the reaction of 2.50 L B2H6 ... (Read 216 times)

MirandaLo

  • Hero Member
  • *****
  • Posts: 538
on: Aug 27, 2018
According to the following reaction, how much energy is evolved during the reaction of 2.50 L B2H6 and 5.65 L Cl2 (Both gases are initially at STP)? The molar mass of B2H6 is 27.67 g/mol.
 
  B2H6(g) + 6 Cl2(g)  2 BCl3(g) + 6 HCl(g) Hrxn = -1396 kJ
 
  A) 58.7 kJ
  B) 156 kJ
  C) 215 kJ
  D) 352 kJ
  E) 508 kJ

Question 2

In a density determination, a student measured 11.46 mL of a liquid. How many liters is this?
 
  A) 11,460 L
  B) 1.146 L
  C) 0.1146 L
  D) 0.01146 L
  E) 1.146  L


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

D


MirandaLo

  • Member
  • Posts: 538
Reply 2 on: Aug 27, 2018
Gracias!

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Coelacanth Genes Mapped, "Living Fossil" Evolved Slowly Coelacanth Genes Mapped, "Living Fossil" Evolved Slowly
Reaction 4: Cleavage to Two Triose Phosphates Reaction 4: Cleavage to Two Triose Phosphates
Reactions 6–10: The Energy Generation Phase Reactions 6–10: The Energy Generation Phase
The flow of energy and the cycling of materials maintain nature’s organization The flow of energy and the cycling of materials maintain nature’s organization
Physics: Power, Energy and Time Physics: Power, Energy and Time
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Video: Inflammatory response Animation

For a complete list of videos, visit our video library