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 59 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?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

This girl has a long leg cast, which was applied after surgery to correct her clubfoot. This girl has a long leg cast, which was applied after surgery to correct her clubfoot.
This chart illustrates the “drip down” model of government. In this, politics is formed by the soc This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ... If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ...
How to count for the correct number of significant digits How to count for the correct number of significant digits
Nutritional Similarities between Infant Formula and Breast Milk Nutritional Similarities between Infant Formula and Breast Milk
Future Value Formula Future Value Formula
Video: Mendel's pea plant, Pisum sativum experimental

For a complete list of videos, visit our video library