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
RSB [31]
3 years ago
8

Why does a beta particle have an atomic number of -1

Chemistry
1 answer:
Fudgin [204]3 years ago
6 0
I cant entirely tell for now but an article on rodioactivity should solve the problem
You might be interested in
Acetone, a common solvent, has density 0.79g/cm3 at 20 degrees celcius. What is the volume of 85.1g of acetone at 20 degrees cel
RoseWind [281]
1)

a)

D = 0.79 g/cm³           m = 85.1 g

D = m / V

0.79 = 85.1 / V

V = 85.1 / 0.79 => 107.72 cm³
____________________________________________
b) D = m / V

0.79 = m / 125

m = 0.79 x 125 => 98.75 g
____________________________________________

hope this helps!

4 0
2 years ago
Read 2 more answers
(7th grade science question)
Akimi4 [234]
The most accurate way to measure a dry ingredient like flour, sugar or chocolate chips is in terms of its weight, which is measured in regular ounces.
7 0
3 years ago
I WILL MARK BRAINLIEST How could this sentence be re-written to convey the active voice?
Fed [463]
C is the answer to this question
5 0
3 years ago
Read 2 more answers
N2-3H2 → 2NH3
aniked [119]

Answer:

6 mols H2 are needed

Explanation:

N2 = 28.01g/mol

H2 = 2.02g/mol

\frac{2 mol N_{2} }{1} * \frac{3 mol H_{2}  }{ 1 mol N_{2} } = 6 mol H2

8 0
3 years ago
What is the molality (m) of a solution that contains 76.5 g of KCl dissolved in 85.0 g of<br> water?
ladessa [460]

Answer:

76.5g KCl/74.55 grams per mole Kcl = x

molality= x/.085 kg H2O

Explanation:

well remember molality is moles of solute/kilograms of solvent. So it's the moles of KCl over 85 g of h20 converted into kg. if this makes sense.

5 0
3 years ago
Other questions:
  • How to solve partial pressure given water vapor pressure?
    10·1 answer
  • Question 19 Unsaved
    10·2 answers
  • In order to design an experiment, you need a ____ about the scientific question you are trying to answer. A. decision B. procedu
    12·1 answer
  • Explain, in terms of intermolecular forces, why ammonia has a higher boiling point than the other compounds in the ta
    5·1 answer
  • Read the chemical equation.
    9·1 answer
  • The substance floats or sinks in another because of its relative
    15·1 answer
  • How many moles of MgCl2 are there in 338 g of the compound
    7·1 answer
  • HELP Consider this equation...
    11·2 answers
  • Number 5 plsssssssss
    12·1 answer
  • How many half-lives are required for the concentration of reactant to decrease to 12. 5% of its original value?.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!