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
larisa86 [58]
3 years ago
6

NEED HELP AS SOON AS POSSIBLE!

Chemistry
1 answer:
Degger [83]3 years ago
5 0
I got :
  7) C
  8) D
  9) B
10) D

The decimal difference in my calculations may be due to my rounding off or my use of the exact values in some cases.
Note: Mr - Molar Mass
          L - Avogadro's Constant

You might be interested in
Convert 5° C into Fahrenheit.
Lady_Fox [76]

Answer:

5 in celcius is 41 in fahrenheit!

Explanation:

7 0
3 years ago
C2h4 3 o2 2 co2 2 h2o
Marat540 [252]
Use the question marck Moles of CO2
The the giving = 0.624 mol O2
Find the CF faction = 1 mole=  32.00 of O2

O= 2x16.00= 32.00amu ( writte this in the cf fraction)
SET UP THE CHART
Always start with the giving

0.624 mol O2    /  1mol of CO2
___________  / _____________ = Cancel the queal ( O2)
                       / 32.00c O2
                      /
                     /
Multiply the top and divide by the bottom 
0.624 mol CO x 1mol CO2 = 0.624 divide by 32.00 O2 =0.0195
You should look at the giving number ( how many num u gor ever there) 
Ur answer should have the same # as ur givin so 
= 0.0195 
= .0195 mol of CO2
3 0
3 years ago
The unit cell of amazonite is made of three pairs of faces, each pair different from the others. The faces are oriented at angle
scZoUnD [109]
<span>The unit cell of amazonite is made of three pairs of faces, each pair different from the others. The faces are oriented at angles to one another that are not 90 degrees. The type of crystal this is is triclinic.
Triclinic crystal system is one of the seven crystal systems, with three basis vectors. </span>
5 0
3 years ago
Sound usually travels most rapidly in
Mariana [72]
Sounds travels most rapidly in solid objects, especially those that are dense. These objects have closely packed atoms, and energy that is traveling in vibrations (the sound) can easily pass between the touching atoms.
4 0
3 years ago
Explain why and how theories may be changed or replaced over time.
malfutka [58]
There are new ideas and questions that people are trying out and solving. Based off of that, the theories and ideas that we have now will change and evolve with the theories that have been tested and the questions that have been answered.
8 0
3 years ago
Read 2 more answers
Other questions:
  • 1. What Volume of HCl is generated if 3.44 g of Cl2 are reacted at STP? 2. What volume does 4.87 mol of Kr have at STP? 3. What
    7·1 answer
  • When heat energy is added two changes are observed: Change A: solid changes phases to a liquid Change B: liquid changes phases t
    8·2 answers
  • What is the mass (grams) of 9.89 * 10^24 moles of (cho30h)?
    14·1 answer
  • Which of the following molecules can serve as both a hydrogen bond donor and acceptor? (Select all that apply.) a) CH30PO32. b)
    7·1 answer
  • What is the ion symbol for Xenon ?
    9·1 answer
  • I need help, idk how to do PV=nRT
    10·1 answer
  • Please help me it's a emergency!!!!!​
    8·1 answer
  • ILL GIVE U BRAINLYSIT
    7·1 answer
  • Match the landform to its description.
    8·2 answers
  • Which property or properties can change when the pressure of a gas changes?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!