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
Arada [10]
3 years ago
8

Can some one plz help

Chemistry
1 answer:
blsea [12.9K]3 years ago
5 0

The reaction uses B) 9.0 g Br₂.

 iron + bromine ⟶ product

2.0 g +     <em>x</em> g     ⟶   11.0 g

According to the <em>Law of Conservation of Mass</em>, the total mass of the reactants must equal the total mass of the products.

∴2.0 + <em>x</em> = 11.0

<em>x</em> = 11.0 – 2.0 = 9.0

The reaction uses 9.0 g Br₂.

You might be interested in
A sample of nitrogen gas expands in volume from 16 L to 5.4 L at constant
xxTIMURxx [149]

a. W = 0 J

b. W = - 308.028 J

<h3>Further explanation</h3>

Given

Nitrogen gas expands in volume from 1.6 L to 5.4 L

Required

The work done

Solution

Isothermal :

W = -P . ΔV

Input the value :

a. At a vacuum, P = 0

So W = 0

b. At pressure = 0.8 atm

W = - 0.8 x ( 5.4 - 1.6)

W = -3.04 L.atm ( 1 L.atm = 101.325 J)

W = - 3.04 x 101.325

W = - 308.028 J

6 0
3 years ago
Properties of group 7 (aka. The Halogens)?
ella [17]
Halogens can be characterized as :

1) High Electronegativity 
2) Low melting & boiling points
3) Forms Ionic compounds
4) Non-metallic in nature

Hope this helps!
7 0
3 years ago
How many grams of sodium hydroxide are needed to make 500mLs of a 0.125M NaOH solution?
zubka84 [21]
Hope this helps you.

8 0
3 years ago
Which element is a liquid at STP?<br> (1) bromine (3) francium<br> (2) cesium (4) iodine
ollegr [7]
Among the choices, bromine exists as liquid under standard temperature and pressure conditions. Unlike other diatomic molecules which exist as gases, due to its heavy molecular weight, it exists as solid. Francium and cesium are solids while iodine is gas.Answer is 1.
7 0
4 years ago
Read 2 more answers
Why is it important to make observations about the reactants? ​
Free_Kalibri [48]

Answer:

Reason Down below

Explanation:

It is important because when you make observation you get a clue sometimes and it  reactants i feel like it also takes places with observation. :)

7 0
4 years ago
Other questions:
  • many gases are shipped in high-pressure containers. consider a steel tank whose volume is 55.0 gallons and which contains o2 gas
    15·1 answer
  • The calvin cycle: A).Was named after an american biochemist B).does not require light energy to work C).produces glucose and wat
    15·1 answer
  • How many naturally occurring elements are present on the product table?
    15·1 answer
  • 8. In the nucleus, I tell cells what to do and how to change. 9. The fastest growing organ in humans is the​
    15·1 answer
  • What nuclide, when bombarded by an α particle, will generate carbon-12 and a neutron?
    14·1 answer
  • What happens to that atom of magnesium-24 if it GAINS a PROTON
    5·2 answers
  • Oceń prawdziwość podanych informacji w układzie okresowym pierwiastki chemiczne są złożone według NIK to jących się liczbą atomo
    15·1 answer
  • What attracts heat more? black or aluminum foil?​
    6·2 answers
  • What does hydrochloric acid do
    5·2 answers
  • A refrigerator uses_________________________ energy to move the_________________________ through the refrigerator pipes.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!