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
Valentin [98]
2 years ago
8

Mass data for reaction of NaHCO3-Na2CO3 mixture with HCL:

Chemistry
1 answer:
Zanzabum2 years ago
8 0
Is there a graph? I need to see a graph in order to help
You might be interested in
A fossilized leaf contains 24% of its normal amount of carbon 14. how old is the fossil (to the nearest year)? use 5600 years as
sergij07 [2.7K]
The Half life is the time taken for a radioisotope or a radioactive substance to decay by half its original amount. The half life of carbon 14 is 5600 years. 
Original mass is 100%
Remaining amount is 24% 
Therefore; 0.24 = 1 × (1/2)^n
                     n = log 0.24/log 0.5
                        = 2.06
therefore, the age of the fossil is 5600×2.06
 = 11529.8 
 ≈ 11529 years

7 0
3 years ago
Which of the following has no electrons? Use a periodic table. Question 1 options: He 2+ He H– H
UkoKoshka [18]

do you have anymore numbers to add to this problem??


7 0
3 years ago
What is one reason why rock layers are not horizontal?
lawyer [7]
B)a force pushed the rock layers after they were formed
6 0
3 years ago
Read 2 more answers
Using the fact that at 0.10 M, the absorbance was 0.357; and at 0.20 M, the absorbance was 0.714, the absorptivity (slope) is
olga_2 [115]

Answer:

The answer is "3.57 and 0.07".

Explanation:

Using the slop formula:

=\frac{n_2-n_1}{n_2-n_1}\\\\ =\frac{0.714-0.357}{0.20-0.10} \\\\ = ABSORPTIVITY, \ \ a=3.57 \\\\A= a\times b \times c

Given:

A=0.250

length path b=1  

from calibration it is found that

a=3.57\\\\consentation \ c=\frac{A}{a\times b} \\\\C=\frac{0.250}{3.57\times 1}

   =0.07 \ M

3 0
2 years ago
If an atom has 35 protons in nucleus how many neutrons will it have orbiting the nueclues
Dvinal [7]

Answer

Because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. So, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.

Explanation:

8 0
2 years ago
Other questions:
  • If a molecule contains two carbon atoms and four hydrogen atoms, what can you conclude about the bond between the carbon atoms?
    5·1 answer
  • The chemical formula for rubies is AI2O3 list the elements that combine to form a ruby and the number of atoms of each element i
    10·1 answer
  • Noble gas notation write the electron configuration for the manganese atom
    15·1 answer
  • Temperature is not a direct measure of the thermal energy of a system. The total thermal energy of a system depends on its tempe
    5·1 answer
  • Copper (II) sulfate pentahydrate may be heated to drive off the water of hydration. If 5 g of water are produced, what was the o
    10·1 answer
  • A bacterial colony is grown in a laboratory under controlled conditions. Based on the data, we would expect the bacterial popula
    15·2 answers
  • The rms speed of the molecules of a gas at 145∘C is 187 m/s. Calculate the mass m of a single molecule in the gas.
    9·1 answer
  • Help help help help help help​
    9·2 answers
  • Como hallar el numero de protones y el numero de electrones de un elemento
    6·1 answer
  • 13.<br> Which contains the same number of molecules as 22.4 liters of N2 at STP?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!