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
lara [203]
3 years ago
12

ASAP ASAP ASAP ASAP

Chemistry
1 answer:
IrinaVladis [17]3 years ago
5 0

Answer:

Molar mass of NaN3,

MM = 1*MM(Na) + 3*MM(N)

= 1*22.99 + 3*14.01

= 65.02 g/mol

mass of NaN3 = 1.3*10^2 g

mol of NaN3 = (mass)/(molar mass)

= 1.3*10^2/65.02

= 2.0 mol

Balanced chemical equation is:

2NaN3(s) ---> 2Na(s) + 3N2(g)

According to balanced equation

mol of N2 formed = (3/2)* moles of NaN3

= (3/2)*2.0

= 3.0 mol

Molar mass of N2 = 28.02 g/mol

mass of N2 = number of mol * molar mass

= 3.0*28.02

= 84.0 g

Now use:

density = mass / volume

0.916 g/L = 84.0 g / volume

volume = 91.7 g

Answer: 91.7 g

You might be interested in
What is the maximum number of moles of Al2O3 that can be produced by the reaction of .4 mol of Al with .4 mol of O2
Darya [45]

<u>Given:</u>

Moles of Al = 0.4

Moles of O2 = 0.4

<u>To determine:</u>

Moles of Al2O3 produced

<u>Explanation:</u>

4Al + 3O2 → 2Al2O3

Based on the reaction stoichiometry:

4 moles of Al produces 2 moles of Al2O3

Therefore, 0.4 moles of Al will produce:

0.4 moles Al * 2 moles Al2O3/4 moles Al = 0.2 moles Al2O3

Similarly;

3 moles O2 produces 2 moles Al2O3

0.4 moles of O2 will yield: 0.4 *2/3 = 0.267 moles

Thus Al will be the limiting reactant.

Ans: Maximum moles of Al2O3 = 0.2 moles

4 0
3 years ago
Read 2 more answers
Which could be the pH of an aqueous solution with a H3O+ ion concentration that is less than its OH- ion concentration?
anzhelika [568]

Answer:

Explanation:

You can think of pH as "parts Hydrogen ion," but remember that the pH scale is "backwards." The pH scale ranges from 0 to 14, with zero being the most acidic (highest concentration of H+) and 14 being the most basic.

4 0
2 years ago
A liquid may reach its boiling point if
EleoNora [17]
A. heat is added to it
7 0
3 years ago
Read 2 more answers
Consider the elements bromine and chlorine; which element has a larger ionic radius?
Nikolay [14]
Not 100% be Im pretty positve its Bromine

6 0
3 years ago
Read 2 more answers
What are 2 examples of what happens when scientist do not have a standard system of measurement of the scientific community?
dolphi86 [110]

Answer:

Explanation:

The standard system of measurement is what is popularly referred to as SI unit (or international system of units). For example, the SI unit for length is basically in meters (m), which is convertible to millimeter (mm), centimeter (cm) or even kilometer (km).

If there is no standard system of measurement,

1) Scientists will not be able to compare data as every scientist will use a unit that suits him/herself which might make data incomparable as some units might be difficult to convert to other units or there conversion methods might even be debatable.

2) There might be a general lack of understanding of the research work done by a scientist/scientists in the scientific community. This is because the standard system of measurement affords scientists to communicate properly with the same or convertible units and based on 1. above, if scientists use any unit that isn't agreed upon, different/unknown/debatable units might make understanding of research works incomprehensible.

7 0
2 years ago
Other questions:
  • Given the standard entropy values in the table, what is the value of º for the following reaction?
    11·1 answer
  • Help with 5b. Full explanation please
    5·1 answer
  • Is ink a compound or mixture?
    6·1 answer
  • Referring to the experiment in which the scientists studies how long it
    9·1 answer
  • 2. The pressure of the oxygen gas inside a
    13·1 answer
  • FeO+HNO3➡<br>Chemistry reaction
    6·1 answer
  • noah rides his bike with a constant speed of 8 km/h. How long will he take to travel a distance of 16 kilometers?
    14·2 answers
  • Lava that cools quickly forms: A. basalt B. granite C.quartz D. none the above
    5·2 answers
  • Does anyone know how to find mass of NaN3?
    12·2 answers
  • 4. Using stoichiometry, how many grams of sodium chloride should be produced from the reaction
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!