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
gayaneshka [121]
3 years ago
14

Describe how the names of the nonmetal elements in Model 2 are changed when they are in their anion forms

Chemistry
1 answer:
dybincka [34]3 years ago
4 0
No I don’t think I will
You might be interested in
A tank contains 200 gallons of water in which 300 grams of salt is dissolved. A brine solution containing 0.4 kilograms of salt
Nadusha1986 [10]

Answer:

<h3>Therefore, after long period of time 80kg of salt will remain in tank</h3>

Explanation:

given amount of salt at time t is A(t)

initial amount of salt =300 gm =0.3kg

=>A(0)=0.3

rate of salt inflow =5*0.4= 2 kg/min

rate of salt out flow =5*A/(200)=A/40

rate of change of salt at time t , dA/dt= rate of salt inflow- ratew of salt outflow

dA/dt=2-(A/40)\\\\dA=2dt-(A/40)dt\\\\dA+(A/40)dt=2dt

integrating factor

=e^{\int\limits (1/40) \, dt}

integrating factor =e^{(1/40)t}

multiply on both sides by  =e^{(1/40)t}

dAe^{(1/40)t}+(A/40)e^{(1/40)t} dt =2e^{(1/40)t}t\\\\(Ae^{(1/40)t})=2e^{(1/40)t}t

integrate on both sides

\int\limits(Ae^{(1/40)t})=\int\limits2e^{(1/40)t}dt\\\\(Ae^{(1/40)t})=2*40e^{(1/40)t}+C\\\\A=80+(C/e^{(1/40)t})\\\\A(0)=0.3\\\\0.3=80+(C/e^{(1/40)t}^*^0)\\\\0.3=80+(C/1)\\\\C=0.3-80\\\\C=-79.7\\\\A(t)=80-(79.7/e^{(1/40)t})

b)

after long period of time means t - > ∞

{t \to \infty}\\\\ \lim_{t \to \infty} A_t \\\\ \lim_{t \to \infty} (80)-(79/{e^{(1/40)t}}\\\\=80-(0)\\\\=80

<h3>Therefore, after long period of time 80kg of salt will remain in tank</h3>
6 0
3 years ago
Is the formation of acid rain an exothermic or endothermic reaction?
Monica [59]
It is an exothermic reaction
4 0
3 years ago
What is the percentage error of length measurement of 0.229cm if the correct value is 0.225cm
Mars2501 [29]

Percent error is the difference between the measured and known value, divided by the known value, multiplied by 100%.

So first, we take our measured value, .299 cm, minus our known value, .225 cm.

.299 cm - .225 cm=.004 cm

Next, we divide that by our known value

\frac{.004}{.225}=.0177777778

Finally, multiply your answer by 100

.0177777778 x 100= 1.77777778 %

Round to three significant figures, and you're done.

=1.78 % error



5 0
3 years ago
Read 2 more answers
Which describes a way to speed up the collisions between hydrogen and oxygen molecules to produce more water?
rodikova [14]
<span>Equation:2H2(g) + O2(g) → 2H2O(g)
</span><span>
Smaller container means less volume, and the molecules will hit the walls of the container more frequently because there's less space available and the pressure will go up. I guess this would mean that the side with fewer moles would be favored as a result. We count the number of moles on the reactants and products and find that there are fewer moles on the product side, so I guess this would favor the product formation.

</span>
4 0
3 years ago
Read 2 more answers
What is the relationship between the number of protons and the number of electrons in an atom?
aleksley [76]
In a neutral atom they are both equal, and their even quantities makes the atom neutral...
6 0
3 years ago
Other questions:
  • Which particles are found in an atom have charges
    12·2 answers
  • What is the mass number for an atom with 5 protons 6 neutrons and 5 electrons
    10·1 answer
  • Polarity of water. Which is the correct answer?
    5·2 answers
  • Energy does not have to involve motion.<br> Question 8 options:<br> True<br> False
    8·1 answer
  • What are moles in chemistry?
    11·2 answers
  • Use the concept of potential energy to describe how a covalent bond forms between two atoms.
    10·1 answer
  • The amount of ____ energy an object has depends on its speed and mass
    10·2 answers
  • 2 The substance has a mass of 0.50 kg.
    11·1 answer
  • Answer fast please What system is the heart part of
    15·2 answers
  • Fill in the blank with the correct response.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!