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
JulsSmile [24]
3 years ago
7

108/49 In ? 108/48 Cd + ? In the equation above, what particle or type of radiation needs to be included on the right hand side

in order to balance it?
a. gamma
b. positron
c. beta
d. proton
e. alpha

Chemistry
1 answer:
Oksanka [162]3 years ago
7 0

Answer: b) positron

Explanation:

The antiparticle or the antimatter counterpart of the electron is called positron.

The positron has an electric charge of +1 e and same mass as an electron. When a positron collides with an electron, annihilation takes place.

Below is an attachnent that further explains this

You might be interested in
In what era did dinasours first appear?
jenyasd209 [6]

The answer is the Mesozoic Era


8 0
3 years ago
In column chromatography (microscale), after loading it with solvent and adsorbent and prior to loading the sample, what level s
Nikolay [14]

Answer:

Explanation:

You should allow the solvent to drop to the level of the adsorvent, so it would never run dry.

When you let your sample to run dry it will never finish to flow from the adsorbent depending of it polarity.

Water should not be used because it can dissolve the adsorbent.

You could use another technique to identify the compound, as an infrared or a ultraviolet detector. You can also, if you know the compounds, identify it for the retention time, for example, if you need to detect two compounds, one more polar than the other, and use a polar adsorbent and a non-polar solvent, the first compound to exit the column will be the less polar one, because it will have a bigger interaction with the solvent than the stationary phase (adsorbent) and will go faster, the second will be the more polar one, because it will have a bigger interaction with the stationary phase.

5 0
3 years ago
As with other ionic compounds, potassium bromate, KBrO3, dissociates into ions when it dissolves in water. If 13.8 g of KBrO3 is
chubhunter [2.5K]

Answer:

ΔH of dissociation is 38,0 kJ/mol

Explanation:

The dissociation reaction of KBrO₃ is:

<em>KBrO₃ → K⁺ + BrO₃⁻ </em>

This dissolution consume heat that is evidenced with the decrease in water temperature.

The heat consumed is:

q = CΔTm

Where C is specific heat of water (4,186 J/mol°C)

ΔT is the temperature changing (18,0°C - 13,0°C = 5,0°C)

And m is mass of water (150,0 mL ≈ 150,0 g)

Replacing, heat consumed is:

q = 3139,5 J ≡ 3,14 kJ

13,8 g of KBrO₃ are:

13,8 g×(1mol/167g) = 0,0826 moles

Thus, ΔH of dissociation is:

3,14kJ / 0,0826mol = <em>38,0 kJ/mol</em>

<em></em>

I hope it helps!

3 0
3 years ago
Use the Lab Report document as a template. Use the descriptions and examples of each part to help you write your Lab Report. You
GarryVolchara [31]
This link might help you!!

https://www.eiu.edu/biology/bio1500/writing_a_lab_report.pdf
6 0
2 years ago
If most objects are made up of free space then why can we put our hands through a book or wall?
Mazyrski [523]
I suppose you mean to ask why we can't go through obstacles.

Any atom is surrounded by an electronic cloud. When two atoms get close to each other, the electronic clouds repel each other, preventing them from interpenetrating each other. That same phenomenon, on a larger scale, prevents us from going through matter.
4 0
3 years ago
Other questions:
  • The j shaped organ is full of hydrochloric acid
    5·1 answer
  • Compare the properties of metals and nonmetals.
    8·1 answer
  • Why is the solubility of a neutral organic compound unaltered by exposure to aqueous acid or base?
    15·1 answer
  • When an electric field is applied to a metallic crystal, the movement of electrons is?
    14·1 answer
  • These organs produced special reproductive cells in male body
    10·1 answer
  • Which solution is a buffer? which solution is a buffer? a solution that is 0.200 m in h2so4 and 0.200 m in na2so4 a solution tha
    9·1 answer
  • You and a friend each decide to build the same model airplane. After the airplanes are built, you decide to conduct an investiga
    14·1 answer
  • The electron configuration of an element is [Ar] 4s23d104p2. Identify this element.
    9·1 answer
  • You have run an experiment studying the effects of the molecular weight of a compound on the rate of diffusion in agar. Compound
    6·1 answer
  • What is photolytic decomposition reaction ???​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!