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 58 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?

The FDA recognizes 118 routes of administration.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Membrane potential of a cell freely permeable to sodium only. Membrane potential of a cell freely permeable to sodium only.
Sodium Spectrum Sodium Spectrum
Easy way to remember to formula to calculate volume of a cylinder Easy way to remember to formula to calculate volume of a cylinder
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 ...
Combination of arrangement and sequence is correct Combination of arrangement and sequence is correct
Directions: Fill in the correct number or word(s). Order: Lantus U-100 insulin 68 units subcut ... Directions: Fill in the correct number or word(s). Order: Lantus U-100 insulin 68 units subcut ...
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

For a complete list of videos, visit our video library