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
valkas [14]
3 years ago
9

When the procedure calls for making a more dilute solution of an acid, or mixing an acid with other solutions, what is the corre

ct order of steps? Select one: a. Neither of these methods is safe. b. Always Add Acid - Either add all of the water or non-acid component first, or add a significant portion, before adding the acid to the mixture. This helps to minimize the heat generated, which could otherwise create dangerous fumes or reactions. c. Always Add Acid - the acid should be added first and then the other materials to prevent a dangerous reaction.
Chemistry
1 answer:
Fed [463]3 years ago
7 0

Answer:

The correct order it b. always add acid last.

Explanation:

Adding acid first could result on a violent reaction and heat or fumes can be generated. The best approach is to always add all the water or non-acid component first, or add a significant portion before adding the acid slowly to the mixture.

You might be interested in
When cobalt chloride is added to pure water, the co2 ions hydrate?
mrs_skeptik [129]
Answer : The question is incomplete and the complete question is attached in the answer;

Answer 1) When HCl was added to the system of cobalt chloride it will eventually produce more Cl ions in the solutions which will shift the equilibrium to the right and make the solution look more blue than before. To accommodate extra Cl ions in the system the equilibrium gets shifted. 

Answer 2) When in the reaction system water is added the Cobalt chloride compound forms a hydrated mixture; this means the equilibrium reaction shifts to the left and produces more hydrated ions along with more chlorine ions in the solution.

Which then turns the resultant solution tinto pink in colour.

3 0
3 years ago
Read 2 more answers
Help! <br><br> What is the name for addition or subtraction??
kogti [31]

Answer:

I would say operation or symbol

Explanation:

But more an operation I'm sorry I don't really know what your learning so I can't say I know for sure

4 0
3 years ago
What is the ph of a 4.8 m pyridine solution that has kb = 1.9 × 10-9? the equation for the dissociation of pyridine is?
Eddi Din [679]

Answer: 9.98


Explanation:


1) The equation for the dissociation of pyridine is:


C₅H₅N₅(aq )+ H₂O(l) ⇄ C₅H₅NH⁺(aq) + OH⁻(aq)


2) Kb equation:


Kb = [C₅H₅NH⁺(aq)] [OH⁻(aq)] / [C₅H₅N₅(aq )]


Where:


[C₅H₅NH⁺(aq)] = [OH⁻(aq)] ← from the equilibrium reaction


[C₅H₅N₅(aq )] = 4.8 M ← from the statement


⇒ 1.9 × 10 ⁻⁹ = x² / 4.8 ⇒ x² = 9.12 × 10⁻⁹


⇒ x = 9.55 × 10⁻⁵ = [OH⁻(aq)]


3) pOH


pOH = - log [OH⁻(aq)] = 4.02


4) pOH + pH = 14


⇒ pH = 14 - 4.02 = 9.98

4 0
3 years ago
Read 2 more answers
How is chemical balanced maintained?
NikAS [45]

Featured snippet from the web
Homeostasis also refers to the process in which an organism maintains balance of things such as body temperature, water levels and salt levels. Many chemical reactions happen in order maintain homeostasis. Hormones must be made by breaking other molecules. ... Muscles need to produce heat in order to warm the body.
4 0
4 years ago
Read 2 more answers
An object that is traveling around another body in space is in ______ around that body
anastassius [24]
An object that is traveling around another body in space is in ORBIT around that body
6 0
4 years ago
Other questions:
  • Which of the following metals is the most stable?
    13·2 answers
  • What is the density of PETE?
    14·1 answer
  • What is the poH of a 0.0235 M HCl solution?
    10·1 answer
  • Jason combines the two intermediate steps shown.
    7·2 answers
  • The 1H NMR spectrum of an unknown acid has the following peaks: δ (ppm) = 12.71 (1H, s), 8.04 (2H, d), 7.30 (2H, d), 2.41 (3H, s
    6·1 answer
  • PLEASE I NEED HELP NOW!!! I WILL GIVE 25 POINTS
    11·1 answer
  • Draw the product of the reaction between 2-pentanol and PBr3. You do not have to consider stereochemistry. You do not have to ex
    12·1 answer
  • Scientific investigations must be well __________ to be sure the data collected will help answer the scientist's question
    12·1 answer
  • How is energy transferred when..
    15·2 answers
  • Which of the following situations violates the law of conservation of energy?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!