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
UNO [17]
3 years ago
13

Please answer this chemistry question​

Chemistry
2 answers:
stealth61 [152]3 years ago
6 0
A is the correct answer
Mariana [72]3 years ago
3 0

Answer:

Answer will be A

Explanation:

PLS MARK BRAINLIEST

You might be interested in
Please help me ill give brainiest to the right answers pick 2 answers btw
Alex17521 [72]
I think it is a and c but i’m not sure
6 0
3 years ago
A 25.00 mL sample of of a sulfurous acid solution is completely neutralized using 17.12 mL of 0.13 M sodium hydroxide. What is t
Kryger [21]

Answer:

0.0445 M is the initial concentration of sulfurous acid.

Explanation:

H_2SO_3+2NaOH\rightarrow Na_2SO_3+2H_2O

To calculate the concentration of acid, we use the equation given by neutralization reaction:

n_1M_1V_1=n_2M_2V_2

where,

n_1,M_1\text{ and }V_1 are the n-factor, molarity and volume of acid which is H_2SO_3

are the n-factor, molarity and volume of base which is NaOH.

We are given:

n_1=2\\M_1=?\\V_1=25.00mL\\n_2=1\\M_2=0.13 M\\V_2=17.12 mL

Putting values in above equation, we get:

2\times M_1\times 25.00 mL=1\times 0.13 M\times 17.12 mL

x=\frac{1\times 0.13 M\times 17.12 mL}{2\times 25.00}=0.0445 M

0.0445 M is the initial concentration of sulfurous acid.

8 0
3 years ago
Over the past 150 years, how has fossil fuel consumption affected the carbon dioxide concentrations in the atmosphere?
Eduardwww [97]
Hello!

Fossil fuels are Carbon-based compounds that when heated in the presence of oxygen undergo a combustion reaction to produce thermal energy and gases. The chemical equation for the combustion of a generic Fossil Fuel (C) is the following:

C + O₂ →CO₂

From this chemical reaction, we can see that CO₂ (Carbon Dioxide) is produced, so the consumption of fossil fuels has increased the Carbon Dioxide concentrations in the atmosphere.

Have a nice day!


6 0
3 years ago
Read 2 more answers
An electron in an atom is known to be in a state with magnetic quantum number ml=−1
Ulleksa [173]

Explanation:

It is known that the maximum value of ml is equal to the vale of l. But the minimum value of n is as follows.

                    n = l + 1

where,     n = principle quantum number

                l = azimuthal quantum number

Values of n can be 1, 2, 3, 4 and so on. Whereas the values of l can be 0, 1, 2, 3, and so on.

Also, "m" is known as magnetic quantum number whose values can be equal to -l and +l.

So, when n = 1 then l = 0 and m = 0.

When n = 2 then l = 1 and values of m will be equal to -1, 0, +1. As it is given that the magnetic quantum number ml = -1. Hence, it is only possible when n = 2.

Thus, we can conclude that the smallest possible value of the principal quantum number n of the state is 2.

5 0
3 years ago
Suppose the mass spectrum of a hypothetical monatomic element x contains a signal at mass number 13 and another of identical hei
ArbitrLikvidat [17]
For this case, Only 1 isotope would be present, i.e. the principal element with mass M=13 and then one isotope at mass M+2. <span>We are assuming that the principal element is the one that is the lowest mass - by definition, an isotope is one where there are additional neutrons - hence the mass increases, but the proton count is the same. 


</span>
4 0
3 years ago
Other questions:
  • With the exception of our sun, most stars are huge, bright balls of gas located trillions of miles away from earth true or false
    12·2 answers
  • How do toothpaste prevent tooth decay?
    14·1 answer
  • Convert 3.9x10^5mg to dg
    9·2 answers
  • STP refers to:
    8·1 answer
  • If you have a graduated cylinder containing 15.50 mL of water and this volume changes to 17.97 mL after a metal with a mass of 1
    8·1 answer
  • According to the Clausius theorem, the cyclic integral of<br>for a reversible cycle is zero.​
    9·1 answer
  • How many ions are in<br> 1.50 grams of Na+
    5·2 answers
  • Silver sulfate is precipitated from solution according to the following reaction 2 AgNO3 (aq) Na2SO4 (aq) --&gt; Ag2SO4 (s) 2 Na
    6·1 answer
  • -QUESTION 6-
    5·2 answers
  • Venus is making soup. She is putting her ingredients into a pot of water. She places small amounts of the ingredients into water
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!