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
Stella [2.4K]
3 years ago
5

How many moles of NO2 are equivlent to 74.3 grams of NO2N=14.01/ o=16.00?

Chemistry
1 answer:
lesantik [10]3 years ago
8 0

The molecular mass of HNO_2 is: 1·1 + 1·14.01 + 2·16 = 47.01 g/mol.


Now we can convert the mass into mol of HNO_2:


74.3\ g\ HNO_2\cdot \frac{1\ mol}{47\ g} = \bf 1,58\ mol\ HNO_2

You might be interested in
Pls help me!!!!!!!!!!!!!!!
ELEN [110]

Answer:

c

Explanation:

6 0
3 years ago
Read 2 more answers
Our day is 24 hours long because that is the time it takes the earth to
Marianna [84]
Complete one rotation. 

Hope this helps.
3 0
3 years ago
Read 2 more answers
2. A quantity of 1.922g of methanol (CH3OH) was burned in a constant-volume
Cerrena [4.2K]
Mass of methanol (CH3OH) = 1.922 g
Change in Temperature (t) = 4.20°C
Heat capacity of the bomb plus water = 10.4 KJ/oC
The heat absorbed by the bomb and water is equal to the product of the heat capacity and the temperature change.
Let’s assume that no heat is lost to the surroundings. First, let’s calculate the heat changes in the calorimeter. This is calculated using the formula shown below:
qcal = Ccalt
Where, qcal = heat of reaction
Ccal = heat capacity of calorimeter
t = change in temperature of the sample
Now, let’s calculate qcal:
qcal = (10.4 kJ/°C)(4.20°C)
= 43.68 kJ
Always qsys = qcal + qrxn = 0,
qrxn = -43.68 kJ
The heat change of the reaction is - 43.68 kJ which is the heat released by the combustion of 1.922 g of CH3OH. Therefore, the conversion factor is:
5 0
3 years ago
How many grams of lithium sulfide (Li2S) are in 275 g of a 16 % aqueous solution of Li2S?
krok68 [10]

Answer:

600 mAh·g−1

Explanation:

i hope this is good let me know if its wrong

3 0
3 years ago
How does cold water affect the speed of dissolving?
sineoko [7]

Answer:

Anything that can be done to increase the frequency of those collisions and/or to give those collisions more energy will increase the rate of dissolving.

Explanation:

depended on the temperature

4 0
3 years ago
Other questions:
  • In what ways does solar radiation *benefit* and *harm* life on the planet
    10·1 answer
  • What type of energy is this?
    7·1 answer
  • This reaction forms triphenylmethanol from benzophenone. How could you use infrared spectroscopy to show that the benzophenone h
    5·1 answer
  • What is stratosphere
    13·1 answer
  • The insoluble salts AV, B2W, C2X3, DY2, and EZ3, which were formed from the metal ions A+, B+, C3+, D2+, and E3+ and the nonmeta
    9·1 answer
  • HELP ASAS 15 POINTS
    6·1 answer
  • I need help with this. Read instructions and help plzz
    11·1 answer
  • What is the major product in this reaction
    5·1 answer
  • 1. Write the name of any four chemical preservatives mixed with readymade<br>Food.​
    5·1 answer
  • (need help asap)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!