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
OleMash [197]
3 years ago
15

What is the mass number of an atom that contains 47 protons, 47 electrons, and 62 neutrons?

Chemistry
1 answer:
boyakko [2]3 years ago
3 0

Answer:

109

Explanation:

Mass number = Protons + Neutrons

               A      =  Z +  N  =  47 + 62 =109

You might be interested in
Calculate the poh of this solution. round to the nearest hundredth. ph = 1.90 poh =
Viktor [21]

Answer:

The answer is 5.10

Explanation:

<h3><u>Given</u>;</h3>
  • pH = 1.9
<h3><u>To </u><u>Find</u>;</h3>
  • pOH = ?

We know that

pH + pOH = 7

pOH = 7 – pH

pOH = 7 – 1.90

pOH = 5.10

Thus, The pOH of the solution is 5.10

6 0
2 years ago
What specific electrophile does benzene attack when it undergoes nitration??
Deffense [45]
<span><span>The reaction is as follows:
        C6H6   </span>+   HNO3   +      H2SO4     ------------> </span>C6H5NO2<span>   +   H</span>2<span>O
(BENZENE) (NITRIC ACID)(CATALYST)
</span>NO2(+) is the electrophile that acctacks on the benzene ring in nitration process.
7 0
3 years ago
Please help me. How do I do ideal gas law?
Tcecarenko [31]
The ideal gas law (PV = nRT) relates the macroscopic properties of ideal gases. An ideal gas is a gas in which the particles (a) do not attract or repel one another and (b) take up no space (have no volume).
4 0
3 years ago
What elements makeup Mars' atmosphere?
Genrish500 [490]

Answer:

Carbon dioxide or co^2

Explanation:

8 0
3 years ago
How are the molecules moving in a cold glass of water compared to in a warm glass of water
taurus [48]
Molecules move faster in a warm glass of water they move slower in a cold glass of water
4 0
3 years ago
Other questions:
  • If the Earth moved farther away from the sun, which of these would probably happen?
    9·2 answers
  • In the final stage of the nuclear fuel cycle, the spent fuel must be transported, processed, and disposed of properly. True Fals
    6·2 answers
  • In the energy pyramid, if a primary producer is consumed by a first-level consumer, and that first-level consumer is consumed by
    12·1 answer
  • Why is aluminum a substance
    11·2 answers
  • Inside a volcano how do the slanted layers of hardened lava get there
    8·1 answer
  • What happens immediatesly after you dissolve acid in water? Positively charged hydrogen atoms are released. Positively charged h
    7·1 answer
  • How to Write Balanced Chemical Equations -<br> FeS + O2 - Fe,02 + SO2
    7·1 answer
  • What is the molarity of sodium ions in a solution prepared by diluting 250. mL of 0.550 M Na2SO4 to 1.25 L? (A) 0.110 M (C) 0.22
    10·1 answer
  • The equilibrium constant for the following reaction: H2(g) + Br2(g) ↔ 2HBr (g) is 1.10 x 103 at a certain temperature. Find the
    10·1 answer
  • Why was the discovery of high temperature superconductors so startling to scientists?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!