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masha68 [24]
3 years ago
13

Write a hypothesis about the effect of the red light on the population. Use the "if . . . then . . . because . . ." format, and

be sure to answer the lesson question: "How does natural selection change the phenotypes within a population over time?" Make sure it is more than three sentences.
Chemistry
1 answer:
777dan777 [17]3 years ago
4 0

Answer:

If the color of the light in the environment changes, then the number of light red kidney beans increases because the red light makes the light red kidney beans more difficult to see.

Explanation:

Just did it this is the sample answer

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When the ideal gas law is arranged as shown below, what property of the gas is being solved for (represented by the X)? x equals
Mkey [24]

That's kind of a ponderous way to describe it, but your 'X' represents
the absolute temperature of the ideal gas.
3 0
3 years ago
The name of CuO is --
Vesnalui [34]

The name is Copper(II) Oxide and/or Cupric Oxide.

Cu is Copper and O is Oxygen.

Usually when the Oxygen ion is placed after another, it's name is Oxide.

6 0
3 years ago
Is a push or a pull.<br><br><br> A.FORCE<br> B.MASS <br><br> ???
Alex_Xolod [135]
A.Force because your adding pressure to what you are pushing or pulling.
4 0
3 years ago
You want to make 500 ml of a 1 N solution of sulfuric acid (H2SO4, MW: 98.1). How many grams of sulfuric acid do you need?
umka21 [38]

Answer:

24.525 g of sulfuric acid.

Explanation:

Hello,

Normality (units of eq/L) is defined as:

N=\frac{eq_{solute}}{V_{solution}}

Since the sulfuric acid is the solute, and we already have the volume of the solution (500 mL) but we need it in liters (0.5 L, just divide into 1000), the equivalent grams of solute are given by:

eq_{solute}=N*V_{solution}=1\frac{eq}{L}*0.5L=0.5 eq

Now, since the sulfuric acid is diprotic (2 hydrogen atoms in its formula) 1 mole of sulfuric acid has 2 equivalent grams of sulfuric acid, so the mole-mass relationship is developed to find its required mass as follows:

m_{H_2SO_4}=0.5eqH_2SO_4(\frac{1molH_2SO_4}{2 eqH_2SO_4}) (\frac{98.1 g H_2SO_4}{1 mol H_2SO_4} )\\m_{H_2SO_4}=24.525 g H_2SO_4

Best regards.

4 0
3 years ago
Can somebody plz tell me which one I should circle for each question thanks!!!
marusya05 [52]

Answer:

1. False

2. True  

3. True

4. True

5. False

Explanation:

7 0
2 years ago
Read 2 more answers
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