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
Aneli [31]
3 years ago
11

Jan was told by her mother to clean a kettle which had a heavy deposit of limescale. Her friends suggested the following product

s that could be used to achieve this: Zippo, Wham Bam, Scale Away and Blorox. Jan found that Scale Away successfully removed the limescale deposit while the others did not. Propose a hypothesis to explain the above observation?​
Chemistry
1 answer:
Drupady [299]3 years ago
3 0

Answer:

what happened when they removed the limescale?

Explanation:

You might be interested in
He approximate molar concentration of several chemicals are given. find the ph of each. use the calculator and round to the near
Alex17521 [72]
The quantity pH stands for the negative logarithm of the H⁺ ions concentration in a solution. In equation form, pH = -log[H⁺], where [H⁺] is the concentration of hydrogen ion in molarity or moles/liter. Using this definition, the pH of the following substances are:

Oven Cleaner: pH =-log(10⁻¹³ M) = 13
Water: pH = -log(<span>0.0000007 M) = 6.15
Blood: pH = -log(</span><span>0.00000004 M) = 7.40
Vinegar: pH = -log(</span><span> 0.0063 M) = 2.2

The measure of the pH is important when it comes to reactions because pH is a strong factor. The net charge of a substance is a result of its pH. This charge is the basis of the degree of intermolecular forces like electrostatic attraction due to difference of charges by the substance and its substrate.</span>
5 0
4 years ago
Read 2 more answers
Fill in the blank with the correct answer to complete the sentence.
guajiro [1.7K]

Explanation:

momentum increases with an increase in mass and velocity

3 0
3 years ago
Draw the organic product formed when ch3ch2c≡c−na+ reacts with (ch3)2chch2ch2cl. click the "draw structure" button to launch the
Viktor [21]

Explanation:

Given that sodium butylite is reacting with 1-chloro-3-methyl butane. In a reaction 6-methyl nona-3-yne and sodium chloride will be obtained as product.

The chemical reaction:

CH_3-CH_2C\equiv C-Na^++(CH_3)_2CH-CH_2-CH_2-Cl\rightarrow CH_3-CH_2C\equiv C-CH_2-CH_2-(CH_3)_2+NaCl

The reaction is also attached as image for reference.

6 0
3 years ago
You have a cold and symptoms include a runny nose, fever and coughing. How is your body working together to get rid of the bacte
topjm [15]
Your white blood cells are fighting the pathogen (sickness)
8 0
4 years ago
Read 2 more answers
Which direction does heat flow from
Bas_tet [7]
And unless people interfere, thermal energy — or heat — naturally flows in one direction only: from hot toward cold. Heat moves naturally by any of three means. The processes are known as conduction, convection and radiation. Sometimes more than one may occur at the same time
3 0
3 years ago
Other questions:
  • A molecule of ammonia (NH3) contains
    13·1 answer
  • Question 23Get help answering Molecular Drawing questions Get help answering Molecular Drawing questions.A compound with molecul
    12·1 answer
  • What might be your reference point other than yourself if you determine that the dog is not moving?
    5·1 answer
  • The standard free energy of formation, ΔG∘f, of a substance is the free energy change for the formation of one mole of the subst
    13·1 answer
  • Identify the power of ten that defines each of these prefixes. Input your answers as 10 x where x is the power of ten. nano- ___
    7·1 answer
  • 1. Which of the following bones of the skeleton would be classified as part 1 point
    15·1 answer
  • Which will most likely result if the levels of dissolved oxygen decrease in a body of water?
    14·2 answers
  • Calculate the atomic number of an element whose atomic nucleus has mass number 23 and neutron number 12?? what is the symbol of
    14·1 answer
  • a small deviation from the resting membrane potential that occurs because ligand-gated or mechanically-gated channels open or cl
    8·1 answer
  • Choose the description that matches the law of included fragments.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!