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emmasim [6.3K]
3 years ago
11

Devon noticed that it has rained more this year than it did in each of the previous 10 years. How might this increase in rainfal

l effect populations in the area?
Group of answer choices

A) Populations for whom water is not a limiting factor will increase in size.

B) Populations for whom water is not a limiting factor will decrease in size.

C) Populations for whom water is a limiting factor will decrease in size.

D) Populations for whom water is a limiting factor will increase in size.
Chemistry
1 answer:
sergejj [24]3 years ago
5 0

Answer:

Populations for whom water is a limiting factor will increase in size.

Explanation:

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How many seconds would it take to deposit 17.3 g of ag (atomic mass = 107.87) from a solution of agno3 using a current of 10.00
Brums [2.3K]
Data Given:

Time = t = ?

Current = I = 10 A

Faradays Constant = F = 96500

Chemical equivalent = e = 107.86/1 = 107.86 g

Amount Deposited = W = 17.3 g

Solution:
             According to Faraday's Law,

                                          W  =  I t e / F

Solving for t,

                                          t  =  W F / I e
Putting values,
                                          t  =  (17.3 g × 96500) ÷ (10 A × 107.86 g)

                                          t  =  1547.79 s

                                          t  = 1.54 × 10³ s
5 0
3 years ago
a book with a mass of 1 kg is dropped from a height of 3 m. what is the potential energy of the book when it reaches the floor?
mafiozo [28]
Well, first of all, the formula for finding potential energy is;
PE=mgh
  Where; m is the mass
               g is the gravitational force or acceleration due to gravity
                h is the height. 
   Anyway, according to the question, the mass is 1kg, the acceleration due to gravity has a constant value of 10ms² . And the height is 3m. Now you just have to use all these in the formula. So;
mgh= 1 x 10 x 3. That will be 30. And the unit of potential energy is Joule. So the answer is 30 joules. Hope i helped. Have a nice day.     
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3 years ago
How many moles do you need to prepare 1.675 L of a 8.50 M NaOH solution? Round your answer to 2 decimal places.
vampirchik [111]

Answer:

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Explanation:

1.675 L = 1.675 dm^3

moles = V/(conc):

moles = 1.675/(8.5)

moles = 0.1970... --> 0.20

7 0
3 years ago
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2. 3CaCO3

3. 5NaC2H3O

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The answer is false. The correct answer would be efficiency.
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