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
Anna11 [10]
2 years ago
14

Which statement best describes alpha decay?(1 point)

Chemistry
1 answer:
Veseljchak [2.6K]2 years ago
6 0

Answer:

After the ejection of an alpha particle, the remaining nucleus has a mass number that is four less and an atomic number that is two less, so alpha decay is a type of nuclear fission.

You might be interested in
Suppose you want to separate a mixture of the following compounds: salicylic acid, 4-ethylphenol, p-aminoacetophenone, and napth
Elodia [21]

Answer:

The procedure you will use in this exercise exploits the difference in acidity and solubility just described.

(a) you will dissolve your unknown in ethyl acetate (an organic solvent). All of the possible compounds are soluble in ethyl acetate.

(b) you will extract with sodium bicarbonate to remove any carboxylic acid that is present.

(c) you will extract with sodium hydroxide to remove any phenol that is present.

(d) you will acidify both of the resulting aqueous solutions to cause any compounds that were extracted to precipitate.

6 0
3 years ago
How many meters do you cover in a 10-kilometer (10-K) race?
attashe74 [19]

Answer:

100

Explanation:

3 0
3 years ago
Read 2 more answers
At 300.0 K and 0.987 atm pressure, what will be the volume of 2.30 mol of Ne?
Nadya [2.5K]

Answer:

V = 57.39 L

Explanation:

Given that,

Temperature, T = 300 K

Pressure, P = 0.987 atm

No. of moles of Ne, n = 2.30 mol

We need to find the volume of Ne. We know that, the ideal gas law is as follows :

PV = nRT

Where

P is pressure and R is gas constant

V=\dfrac{nRT}{P}\\\\V=\dfrac{2.3\times 0.0821\times 300}{0.987 }\\\\V=57.39\ L

So, the volume of the Ne is 57.39 L.

3 0
3 years ago
What is the molality of an aqueous solution that contains 29.5 g of glucose (C6H12O6) dissolved in 950 g of water (H2O)?
Gnesinka [82]
Molality is one way of expressing concentration of a solute in a solution. It is expressed as the mole of solute per kilogram of the solvent. To calculate for the molality of the given solution, we need to convert the mass of solute into moles and divide it to the mass of the solvent.

Molality = 29.5 g glucose (1 mol / 180.16 g ) / .950 kg water
Molality = 0.1724 mol / kg
7 0
3 years ago
Coach Ramirez made a cup of tea and stirred it with a spoon. The spoon became warm, How was the heat from the tea transferred to
shtirl [24]
Conduction conduction is when things heat up when they are touching
4 0
3 years ago
Other questions:
  • How many single covalent bonds must a fluorine atom form to have a complete octet in its valence shell?
    15·1 answer
  • A clear liquid in an open container is allowed to evaporate. after three days a solid residue is left. was the original liquid a
    7·1 answer
  • he reported molar absorptivity of Red Dye #3 is 1.217 L mol-1 cm-1. If a solution of Red Dye #3 displays an absorbance of 0.699
    11·1 answer
  • If a measurement is recorded as 1.2 cm, what is the smallest marking on the instrument?
    12·1 answer
  • Write the balanced chemical equation for lab preparation of oxygen gas by using heat​
    8·2 answers
  • What do acids react with in limestone to form giant cave systems?
    15·2 answers
  • Franklin was performing an experiment by combining hydrochloric acid and sodium hydroxide. He measured the mass of his reactant
    6·2 answers
  • Identify the acid and conjugate base pair in the following equation:
    15·1 answer
  • Which substance is a binary acid?
    7·2 answers
  • PLEASE HELP NEED ANSWER FAST
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!