1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sphinxa [80]
3 years ago
5

The unit used to measure barometric or air pressure

Chemistry
1 answer:
Bumek [7]3 years ago
7 0

Answer:

A barometer is an instrument used to measure air pressure and track weather systems. The most common unit of measurement used in barometers is the millibar (mb).

Explanation:

You might be interested in
How do you determine the volume of a regular object if you don't know the density?
Ann [662]

Answer:

mol times or devided by molar volume

4 0
3 years ago
Which of the following is the correct name for the compound HF? Hydrogen floride hydrogen monofloride Hydroflorous acid Hydroflo
Nataliya [291]
Answer: The correct answer is Hydrogen Fluoride.
4 0
3 years ago
Which structure is part of the central nervous system?
Oxana [17]
The spinal cord is part of the central nervous system

4 0
3 years ago
What mass of precipitate forms when 185.5 ml of 0.533 m naoh is added to 627 ml of a solution that contains 15.8 g of aluminum s
Law Incorporation [45]

Answer:

2,57 g of precipitate.

Explanation:

For the reaction:

6 NaOH + Al₂(SO₄)₃ → 2 Al(OH)₃ + 3 Na₂SO₄

The precipitate is Al(OH)₃.

185,5mL of 0,533M NaOH are:

0,1855L × 0,533M = <em>0,0989 moles NaOH</em>

Moles of Al₂(SO₄)₃ are:

15,8g × \frac{1mol}{342,15g} = <em>0,0462 moles Al₂(SO₄)₃</em>

For the total reaction of 0,0989 moles NaOH with Al₂(SO₄)₃ you need:

0,0989moles NaOH × \frac{1molAl_{2}(SO_{4})_{3}}{6 moles NaOH} = <em>0,0165 moles Al₂(SO₄)₃</em>

As you have <em>0,0462 moles Al₂(SO₄)₃ </em>the limiting reactant is NaOH.

0,0989 moles of NaOH produce:

0,0989moles NaOH × \frac{2molAl(OH)_{3}}{6 moles NaOH} = <em>0,0330 moles of Al(OH)₃</em>

These moles are:

0,0330 moles of Al(OH)₃ × (78 g/mol) = <em>2,57 g of Al(OH)₃ ≡ mass of precipitate</em>

<em></em>

I hope it helps!

<em> </em>

3 0
3 years ago
How many primary,secondary and Tertiary carbons are in the compound. 2,3-dimethyl pentane. And
r-ruslan [8.4K]

Answer:

5 primary carbon atoms

3 secondary carbon atoms

4 tertiary carbon atoms

6 hydrogen atoms

6 0
3 years ago
Other questions:
  • Which of the following represents a hydrocarbon that contains one double bond somewhere in the carbon chain?
    7·1 answer
  • A compound has the empirical formula . a 256-ml flask, at 373 k and 750. torr, contains 0.527 g of the gaseous compound. give th
    7·1 answer
  • Which of the following pairs does not share the same empirical formula?
    7·2 answers
  • Convert 150 kPa to atmospheres. *
    14·1 answer
  • Calculate the mass of solid sodium that's needed to fully react with 4.0 L of chlorine gas at STP.
    10·1 answer
  • What is the most specific classification of Ca(NO3)2
    15·2 answers
  • 3
    11·1 answer
  • Where did most of the immigrants to America come from?
    8·1 answer
  • Show your calculation by uploading a picture. Calculate the molar mass of ammonia, NH3
    14·1 answer
  • What is a positive ion?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!