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Sergio039 [100]
2 years ago
15

What is a renewable source of energy? a. An energy resource that is used up over time. b. An energy resource that is available a

nd can be recreated. c. An energy resource that is no longer used. d. An energy resource that is now used more than oil and gas.
Chemistry
2 answers:
Aliun [14]2 years ago
8 0
The answer is B. An energy source that is available and can be recreated, such as the sun or water.
nikdorinn [45]2 years ago
4 0
Hello There!

The correct answer would be B
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Question 9
Nadusha1986 [10]

Answer:

Mass of carbon tetrachloride 135.15 g.

Explanation:

Given data:

Volume of carbon tetrachloride = 85.0 mL or 85.0 cm³

Density of carbon tetrachloride = 1.59 g/cm³

Mass of carbon tetrachloride = ?

Solution:

Formula:

D=m/v

D= density

m=mass

V=volume

Now we will put the values in formula:

1.59 g/cm³ = m / 85.0 cm³

m = 1.59 g/cm³ ×85.0 cm³

m = 135.15 g

8 0
3 years ago
Someone pls help me I will make you brain
sertanlavr [38]

Answer:

I believe the answer is II and III

Explanation:

I'm not sure if III is right cause I cannot read the last word but I think it's OK.

Hope this helped :)

4 0
2 years ago
Given, 2Ca + O2 -> 2CaO, what is the 2 located in front of calcium called??
EleoNora [17]
Moles used to react
3 0
3 years ago
Whag is the answer. please i need help​
icang [17]

Answer:

First option

Explanation:

Students 1 and 2 have precise measures yet is is not accurate since they measure around 5.

5 0
3 years ago
How many square centimeters are in an area of 8.50 inch^2
Paha777 [63]

Explanation:

Given parameters:

  Dimension = 8.5in²

we are to convert from in² to cm²

 in² = in x in

 cm² = cm x cm

   1 in = 2.54cm

Using dimensional analysis;

   8.5in² x \frac{2.54cm}{1in}  x \frac{2.54cm}{1in}

        =  54.84cm²

We solved this problem using dimensional analysis where we multiplied the unit with 1.

learn more:

Conversion brainly.com/question/555814

#learnwithBrainly

5 0
2 years ago
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