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

Author Question: How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with ... (Read 214 times)

brutforce

  • Hero Member
  • *****
  • Posts: 540
on: Aug 27, 2018
How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with 7.73 g of water? Mg3N2 + 3H2O  2NH3 + 3MgO
 
  A) 0.114
  B) 0.0378
  C) 0.429
  D) 0.0756
  E) 4.57

Question 2

Calcium forms an ion with a charge of ________.
 
  A) 1-
  B) 2-
  C) 1+
  D) 2+
  E) 0

Question 3

Calculate the value of E in joules for a system that loses 115 J of heat and has 150 J of work performed on it by the surroundings.
 
  A) -115 J
  B) -35 J
  C) +35 J
  D) +265 J
  E) -265 J

Question 4

The first ionization energies of the elements ________ as you go from left to right across a period of the periodic table, and ________ as you go from the bottom to the top of a group in the table.
 
  A) increase, increase
  B) increase, decrease
  C) decrease, increase
  D) decrease, decrease
  E) The first ionization energies of the elements are completely unpredictable.
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nothere

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 55% of students answer this correctly


brutforce

  • Member
  • Posts: 540
Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

triiciiaa

  • Member
  • Posts: 349
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Increased exposure to cupric oxide bulk particles (BPs) and nanoparticles (NPs) by radish plants Increased exposure to cupric oxide bulk particles (BPs) and nanoparticles (NPs) by radish plants
Formation of a peptide bond by a condensation reaction. Formation of a peptide bond by a condensation reaction.
An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ... An AC voltage is produced by a magnetic sensor. Most sensors should produce at least 0.1 volt AC ...
a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ... a) Type IV hypersensitivity reaction, contact dermatitis as the result of reaction to the nickel in ...
How the cortical reaction in a mouse egg is thought to prevent additional sperm from entering the eg How the cortical reaction in a mouse egg is thought to prevent additional sperm from entering the eg
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

For a complete list of videos, visit our video library