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
frozen [14]
3 years ago
8

Ammonium nitrate dissociates in water according to the following equation:

Chemistry
1 answer:
Viktor [21]3 years ago
6 0

Answer:

Explanation:

NH₄NO₃ = NH₄⁺ +NO₃⁻

heat released  by water = msΔ T

m is mass , s is specific heat and ΔT is fall in temperature

= 50  x 4.18 x ( 22 - 16.5 )  ( mass of 50 mL is 50 g )

= 1149.5 J .

This heat will be absorbed by the reaction above .

q for the reaction = + 1149.5 J

2 )

molecular weight of NH₄NO₃ = 80

No of moles reacted = 5/80 = 1 / 16 moles.

3 )  

5 g absorbs 1149.5 J

80 g absorbs 1149.5 x 16 J

= 18392 J

= 18.392 kJ.

= + 18.392 kJ

ΔH =  18.392 kJ / mol

You might be interested in
You titrate 25.00 ml of 0.1894 M acetic acid with 0.2006 M NaOH. How many ml of NaOH (to four significant figures) will be requi
Anvisha [2.4K]

Answer:

23.60 mL NaOH

Explanation:

The reaction is CH3COOH + OH- --> CH3COO+ + H2O

Since the reaction is one-to-one, we can use M1V1 = M2V2.

M1 = 0.1894 M CH3COOH

V1 = 25.00 mL CH3COOH

M2 = 0.2006 M NaOH

V2 = ?

Solve for V2 --> V2 = M1V1/M2

V2 = (0.1894 M)(25.00 mL) / (0.2006 M) = 23.60 mL NaOH

8 0
3 years ago
Take your time please.​
Andreyy89

Answer:

1.) Eyewash station --> D

2.) Absorbent material --> G

3.) Fire extinguisher --> F

4.) Safety Shower --> E

5.) Biohazard container --> J

6.) Broken glass container --> I

7.) Safety goggles --> C

8.) Lab apron --> H

9.) asbestos gloves --> A

10.) Latex gloves --> B

Explanation:

In an equipped laboratory, alot of safety equipments are made available and kept in area that it could be easily accessed in the laboratory. Safety or protective equipments are those materials that helps protect a laboratory personnel while at work on the lab.

These equipments include:

--> Eyewash station: This is an equipment used in the laboratory during emergency to rinse chemical from the eye. Therefore option D is correct.

--> Absorbent material: They are used to contain small spills in the laboratory. Therefore option G is correct.

--> Fire extinguisher: This equipment is used to put out small fires. Therefore F is correct.

--> Safety Shower: This is used to rinse away chemical from clothes and on skin during emergency. Therefore option E is correct.

--> Biohazard container: This container is used to safely dispose bacteria culture, blood and other living tissues. Therefore option J is correct.

--> Broken glass container: This is used to dispose cracked, chipped or broken bottle in the laboratory. Therefore option I is correct.

--> Safety goggles: This helps to protect the eye from chemical and broken glasses. Therefore option C is correct.

--> Lab apron: This is worn by the laboratory personnel to help protect the skin from chemical and biohazards. Therefore option H is correct.

--> Asbestos gloves: these are heat resistant gloves used to protect the hands from heat. Therefore option A is correct.

--> Latex gloves: these are equally worn by the laboratory personnel to protect the hands from chemicals and biohazards

6 0
3 years ago
Read 2 more answers
In your own words right a definition of earth core
Rasek [7]
The Earth's core is the part of Earth in the middle of our planet. It has a solid inner coreand a liquid outer core.
7 0
3 years ago
Read 2 more answers
How many grams of FeCl3 are needed to make 1.5 L of a solution with a molarity of 0.450 M?
taurus [48]
Moles=concentration x volume. 1.5/1000 multiply 0.450 = 6.75x10^-4
To find the mass of fecl3, we have the formula, mass=moles x molar mass. 6.75x10^-4 x (55.8+35.5 x 3). = 0.1096g

Not sure tho if i did it right
6 0
3 years ago
How many protons are there in a metallic ion which has 18 electrons
aev [14]
I am pretty sure that electron amounts and proton amounts are the same.
6 0
3 years ago
Other questions:
  • Which of the following exerts the greatest pressure on the ground?
    9·2 answers
  • A solution contains 50g of kcl per 100g of water at 100 degrees Celsius. Is solution saturated, unsaturated or supersaturated
    8·1 answer
  • What is the measurement of the extent of something<br> along its greatest dimension.
    5·1 answer
  • How do I find the protons neutrons and electrons for and Oxygen Ion with an oxidation charge of -2
    15·1 answer
  • Name one object that would be considered a solid. Describe how the atoms move in a<br> solid object.
    10·1 answer
  • What change in volume results if 170.0 mL of gas is cooled from 30.0 °C to 20.0 °C? (CHARLES LAW)
    9·1 answer
  • Which molecule has a tetrahedral arrangement of electron pairs but is not tetrahedral molecule
    12·2 answers
  • I need help with this please
    5·2 answers
  • A. How many protons?
    14·1 answer
  • 44.8 L He (g) to atoms
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!