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Sauron [17]
3 years ago
8

A tool that changes light Energy into electricity is a

Chemistry
1 answer:
schepotkina [342]3 years ago
3 0

Answer:

Photovoltaic cell or solar cells

Explanation:

Solar cells are cells that converts light energy from the sun into electrical energy for use in appliances. Light energy impinges on these cells, the photons of light causes electrons in the solar cells to move thereby resulting in the production of electricity in the cells.

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How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum
S_A_V [24]

The balanced equation is

2Al + 2KOH + 6H2O   -----> 2K[Al(OH)4  +  3H2.

From the above we see that  2 moles of K react with  2 moles of Al.

So 2 .94  moles of aluminium will react with 2.94 moles of potassium  (answer)

4 0
3 years ago
The disaccharide lactose can be decomposed into its constituent sugars galactose and glucose by acid hydrolysis or by the enzyme
Fed [463]

Answer:

The answer is Disaccharide

Explanation:

Both Glucose and Galactose are a type of Monosaccharide. Because Lactose contains both Glucose and galactose, it contains 2 Monosaccharides, which make it Disaccharide

6 0
4 years ago
What happened when we made the predator(snake) population larger?
jeka57 [31]

Answer:

The rabbit prey population will decrease.

Explanation:

More predators are there to eat the prey

3 0
3 years ago
Cell and chromosome characteristics? ​
rusak2 [61]

Answer:

hope the inserted image will help :)

Explanation:

5 0
3 years ago
Read 2 more answers
suppose you use a pitcher to to estimate 1.25 qt of water ( experimental volume) . You later measured the volume more precisely
saul85 [17]

The percent error in the initial measurement would be 6.47%

<h3>Percent Error</h3>

Percent error in any measurement is mathematically given as:

                    absolute error/true measurement x 100%

In this case;

True measurement = 1.34 qt

Absolute Error = 1.34 - 1.25

                         = 0.09 qt

Percent error = 0.09/1.34 x 100%

                      = 6.47%

More on percent error can be found here: brainly.com/question/3105259?referrer=searchResults

6 0
3 years ago
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