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

Author Question: Using the VSEPR model, the electron-domain geometry of the central atom in XeF4 is ________. A) ... (Read 39 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Aug 27, 2018
Using the VSEPR model, the electron-domain geometry of the central atom in XeF4 is ________.
 
  A) linear
  B) trigonal planar
  C) tetrahedral
  D) trigonal bipyramidal
  E) octahedral

Question 2

Magnesium burns in air with a dazzling brilliance to produce magnesium oxide:
 
  2Mg (s) + O2 (g)  2MgO (s)
 
  When 5.50 g of magnesium burns, the theoretical yield of magnesium oxide is ________ g.
  A) 5.50
  B) 9.12
  C) 0.226
  D) 4.56
  E) 18.2

Question 3

Ethanol melts at -114 C and boils at 78 C at a constant pressure of 1 atm. What state of matter must a sample of ethanol be in at 0C and 1 atm?
 
  A) liquid
  B) gas
  C) solid
  D) solid and liquid in equilibrium
  E) liquid and gas in equilibrium


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

B

Answer to Question 3

A


olgavictoria

  • Hero Member
  • *****
  • Posts: 528
Reply #2 on: Aug 27, 2018
Thank you!


bitingbit

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Aug 27, 2018
Always glad to help...


« previous next »
 

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line), The frontal lobe (green) bounded by the Sylvian fissure (yellow line) and central sulcus (red line),
Electron microscopy of mRNA-template DNA hybrids shows that introns are spliced Electron microscopy of mRNA-template DNA hybrids shows that introns are spliced
Masters and Johnson’s Four-Phase Model of the Sexual Response Cycle Masters and Johnson’s Four-Phase Model of the Sexual Response Cycle
A Model of Surface Dyslexia A Model of Surface Dyslexia
Vulnerability – Stress Model Vulnerability – Stress Model
Video: Hormonal feedback loop components

For a complete list of videos, visit our video library