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 223 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
Thanks for the timely response, appreciate it

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Determining the order and rate constant of an irreversible first-order reaction Determining the order and rate constant of an irreversible first-order reaction
Reaction coordinate diagram for a simple enzyme catalyzed reaction Reaction coordinate diagram for a simple enzyme catalyzed reaction
The Three Components of Energy Needs The Three Components of Energy Needs
The mitochondrion is the center of energy transformation in the cell The mitochondrion is the center of energy transformation in the cell
How many grams of NO are required to produce 145 g of N2 in the following reaction? 4NH3 + 6NO ... How many grams of NO are required to produce 145 g of N2 in the following reaction? 4NH3 + 6NO ...
how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C? how much energy is needed to heat 77.0g H2O(s) from -10.0 C to 0.0 C?
Video: Double Vacuum Process (Illustration No Audio)

For a complete list of videos, visit our video library