« previous next »

Author Question: How many grams of Li3N can be formed from 1.75 moles of Li? Assume an excess of nitrogen. 6 Li(s) + ... (Read 63 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Aug 27, 2018
How many grams of Li3N can be formed from 1.75 moles of Li? Assume an excess of nitrogen. 6 Li(s) + N2(g)  2 Li3N(s)
 
  A) 18.3 g Li3N
  B) 20.3 g Li3N
  C) 58.3 g Li3N
  D) 61.0 g Li3N
  E) 15.1 g Li3N

Question 2

How many grams of calcium hydride are required to produce 4.56 L of hydrogen gas at 25.0C and 0.975 atm pressure according to the chemical equation shown below?
 
  CaH2(s) + 2 H2O(l)  Ca(OH)2(aq) + 2 H2(g)
 
  A) 3.82 g
  B) 7.64 g
  C) 15.3 g
  D) 45.6 g

Question 3

Which of the following does not have a charge of -2?
 
  A) carbonate
  B) chromate
  C) dichromate
  D) nitrate


quynhmickitran

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A

Answer to Question 3

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select
Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b Medicinal leeches on a patient’s neck. Today leeches are sometimes used in microsurgery to prevent b
Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily Food Sources of Fiber Adults need to consume about 21 to 38 grams of fiber daily
How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to How many grams of tartaric acid, H2C4H4O6, (molar mass = 150.10 g) are needed to
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 ...
A buffer solution is prepared using 0.5 moles of a weakly basic drug and an unknown quantity of ... A buffer solution is prepared using 0.5 moles of a weakly basic drug and an unknown quantity of ...
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library