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

Author Question: The correct formula for sodium bicarbonate is A. NaCO3. B. Na4(CO3)2. C. Na2CO3. D. ... (Read 86 times)

ishan

  • Hero Member
  • *****
  • Posts: 546
on: Aug 27, 2018
The correct formula for sodium bicarbonate is
 
  A. NaCO3.
   B. Na4(CO3)2.
   C. Na2CO3.
   D. NaHCO3.

Question 2

When 7.00  1022 molecules of ammonia react with 6.00  1022 molecules of oxygen according to the chemical equation shown below, how many grams of nitrogen gas are produced? 4 NH3(g) + 3 O2(g)  2 N2(g) + 6 H2O(g)
 
  A) 1.63 g
  B) 1.86 g
  C) 4.19 g
  D) 6.51 g

Question 3

What is the term for finding the mass of a sample indirectly by first weighing a flask empty,
  and then weighing the flask containing a liquid?
 
  A) weighing by density
  B) weighing by difference
  C) weighing by flask
  D) weighing by mass
  E) none of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

A

Answer to Question 3

B)


ishan

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Aug 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Movement of Sodium and Potassium Ions During the Action Potential Movement of Sodium and Potassium Ions During the Action Potential
Normal nerve conduction of Sodium ion Normal nerve conduction of Sodium ion
Single-serve pods of infant formula Single-serve pods of infant formula
Black-Scholes Formula Black-Scholes Formula
Half-life formula Half-life formula
0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ... 0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ...
Video: Pasteur's Experiment

For a complete list of videos, visit our video library