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Maslowich
4 years ago
14

Write a sentence to explain mitosis using a skin cell as an example

Chemistry
1 answer:
Alex_Xolod [135]4 years ago
8 0
Your skin would heal a wound using mitosis to produce new cells.
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Please help me solve this question
brilliants [131]

The radioactive decay follows first order kinetics

The integrated rate law expression for first order rate is

ln(A / At) = kt

Where A= initial concentration

At=concentration at time "t"

t = time

K= rate constant

ln(50 / 0.0488) = k X 38

Therefore

K = 0.1824 day-1

The relation between rate constant and half life is

So half life = 0.693 / 0.1824 = 3.8 days

So isotope must be Radon-222




7 0
3 years ago
When 6.0 mol Al react with 13 mol HCl, what is the limiting reactant, and how many moles of H2 can be formed?
Ad libitum [116K]

You're looking for the number of moles of H2, and you have 6.0 mol Al and 13 mol HCL.

For the first part, you have to make your way from 6.0 mol of Al to mol of H2, right? For that to happen, you need to make a conversion factor that will cancel the mol Al, in such case use the 2 moles of Al from your equation to cancel them out. At the top of the equation, you can use the number of moles of H2 from the equation and find the moles that will be produced for the H2.

6.0mol Al x 3 mol H2/2 mol Al = 9 mol H2

For the second part, you have to make the same procedure, make a conversion factor that will cancel the mol of HCL and for that you need to use the 6 mol HCL from your equation, and at the numerator you can put the 3 mol of H2 from the equation so that you can find the number of moles of H2 that will be produced.

13 mol HCL x 3 mol H2/6 mol HCL = 6.5 mol H2

As it can be seen, HCL produces the less amount of H2 moles. Therefore, the reaction CANNOT produce more than 6.5 mol H2, in that case 6.5 mol will be the maximum number of moles that will be produced at the end because HCL does not have enough to produce more than 6.5 mol.

In that case HCL is the limiting reactant because it limits that will be produced, and so the answer is B!

6 0
3 years ago
Place the items in order from highest to lowest degree of internal organization.
zimovet [89]
Ddjjfjrjejdjfj figure. tjdiskwe. fjickeke
8 0
3 years ago
Read 2 more answers
When a student titrates a 5.00 mL of formic acid (HCHO2) with 26.59 mL of 0.1088 M NaOH, find the concentration of formic acid s
nikitadnepr [17]
Find it yourself my dude please
6 0
2 years ago
What are the most common symptoms of acid poisoning
arlik [135]

Answer:

When swallowed, the signs and symptoms may include:

Severe burning and associated pain in the mouth, throat, and food-pipe

Drooling from the mouth

Loss of vision; unable to speak

Inflammation of the throat may cause respiratory difficulties

Sudden reduction in blood pressure (hypotension)

Vomiting blood

On skin contact, the signs and symptoms may include:

Severe skin and tissue burns associated with pain

Severe eye burns associated with pain; loss of vision

When inhaled, the signs and symptoms may include:

Coughing (including coughing-up blood), choking

Heaviness in the chest; chest pain

Bluish discoloration of lips and beneath fingernails

Respiratory difficulties

Reduced blood pressure (hypotension)

Headache and weakness

Increased heart-rate

Collapse

Explanation:

6 0
3 years ago
Read 2 more answers
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