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
vladimir2022 [97]
3 years ago
5

Which of the following most likely happens during a chemical change?

Chemistry
1 answer:
tigry1 [53]3 years ago
4 0

The answer is the last option.

You might be interested in
Enter the appropriate symbol for an isotope of calcium-42 corresponding to the isotope notation AZX.
Vikki [24]
Answer is ₂₀⁴²Ca.<span>

In AZX notation
   A<span> - Represents the </span>mass number of atom.
         Mass number = number of protons + number of neutrons.
<span>         It is shown at the </span>above of the left side<span> of the atom.</span>
<span>         Here it is </span>42. 

<span>  </span>Z - Represents the atomic number.<span>
       Atomic number = number of protons.
       </span><span>It is shown at the</span> bottom line of the left side of the atom.<span>
       </span>Here it is 20.<span>
 
  X - </span>Represents the symbol of the atom.<span>
     <span>   </span></span>Here</span> X is Ca.<span>

</span>
5 0
3 years ago
Read 2 more answers
Consider a solution containing .100 M fluoride ions and .126M hydrogen fluoride. The concentration of fluoride ions after the ad
S_A_V [24]
Given:

Concentration of Fluoride ions = 0.100 M
Concentration of Hydrogen Fluoride = 0.126 M

Asked: Concentration of fluoride ions after the addition of 5ml of 0.0100 M HCl to 25 mL of the solution

Assume: 50:50 ratio of fluoride ions and HF

12.5ml*0.1mol/L *1L/1000mL + 12.5*0.126mol/L * 1L/1000mL = 2.825x10^-3 moles F-

5ml * 0.01 mol/L *1L/1000mL = 5x10^-5 moles

Assume: Volume additive

Final concentration = 2.825x10^-3 + 5x10^-5 moles/ 30 ml * 1000ml/L =0.0958 M
<span />
3 0
3 years ago
Purchasing insurance can help Adrian risk. Adrian’s best decision in this case is to because the policy is
andrew-mc [135]
1. minimize 
2. not buy the insurance 
3. too expensive in relation to the value of his vehicle
8 0
3 years ago
HELP SCIENCE QUIZ I WILL MARK YOU BRAINLIEST
Goryan [66]

Answer:

i want to say nuclues but again i also think that it is electron shells

7 0
3 years ago
Read 2 more answers
Which term related to electromagnetism applies only to magnetic force
Sonbull [250]

Answer: option B. Poles

Explanation:

5 0
3 years ago
Other questions:
  • How many protons are in an ion with 36 electrons and a –1 charge?
    9·1 answer
  • What are two ways in which an ion could be nade
    15·1 answer
  • A(n) ________ Exposure is a short term or brief exposure that may create an immediate health hazard. A. Acute B. Chronic C. Emer
    13·2 answers
  • In class, students were given the following problem: "Aluminum satellite dishes resist corrosion because aluminum reacts with ox
    8·1 answer
  • What does a nucleon mean?
    8·1 answer
  • 1. Identify the seven diatomic elements and explain why they are different from the rest of the elements
    12·2 answers
  • Please help!!
    10·1 answer
  • The human body produces 1.4 liters of urine daily. The kidneys produce the urine by filtering
    12·1 answer
  • Can someone please help I don’t understand this. I’ll mark you as brainliest if correct!!
    6·1 answer
  • Ice usually forms on the top part of lakes not the bottom , the reason for this occurence is?​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!