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 60 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?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

The conduction system of the heart; traces the path of the electrical impulse that stimulates the he The conduction system of the heart; traces the path of the electrical impulse that stimulates the he
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
Single-serve pods of infant formula Single-serve pods of infant formula
Draw the electron dot formula for the perchlorate ion, ClO4-. How many nonbondin Draw the electron dot formula for the perchlorate ion, ClO4-. How many nonbondin
molecular formula molecular formula
The sodium-potassium pump The sodium-potassium pump
Video: Stroke volume - contractility definition

For a complete list of videos, visit our video library