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inysia [295]
2 years ago
15

What’s one renewable energy resource that can be used instead of fossil fuels ?

Chemistry
1 answer:
7nadin3 [17]2 years ago
8 0

Answer:

Solar Energy & Wind Energy

Explanation:

These are renewable energy and can be used used in replacement for fossil fuels.

PLS MARK ME AS BRAINLIEST!!

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Climate has changed naturally throughout Earth’s history, but how is climate change today different?
Alex_Xolod [135]

Answer: Earth's climate has fluctuated through deep time, pushed by these 10 ... How Earth's Climate Changes Naturally (and Why Things Are Different Now) ... So if the climate changed before humans, how can we be sure we're ... can be disruptive, but in the grand scale of Earth's history it's tiny and temporary

Explanation:

7 0
2 years ago
A student preforms a chemical reaction in which 35 grams of hydrogen and 65 grams of oxygen reacted to form water. What is the m
tatuchka [14]

Answer:

Mass of water = 73.08 g

Explanation:

Given data:

Mass of hydrogen = 35 g

Mass of oxygen = 65 g

Mass of water = ?

Solution:

First of all we will write the balanced chemical equation:

2H₂  + O₂   →    2H₂O

Number of moles of hydrogen = mass/ molar mass

Number of moles of hydrogen =  35 g/ 2 g/mol

Number of moles of hydrogen = 17.5 mol

Number of moles of oxygen = 65 g / 32 g/mol

Number of moles of oxygen = 2.03 moles

Now we compare the moles of water with moles hydrogen and oxygen.

                                     H₂               :              H₂O

                                      2                :                2

                                    17.5              :              17.5

                                       O₂             :            H₂O

                                      1                :               2

                                      2.03         :             2× 2.03 =4.06 mol

Number of moles of water produced by oxygen are less so oxygen is limitting reactant.

Mass of water:

           Mass of water = number of moles × molar mass

          Mass of water = 4.06 mol × 18 g/mol

           Mass of water = 73.08 g

8 0
3 years ago
what element is found in group 6 and period 4? Based on its location, is the element more similar to tungsten or to iron?
GarryVolchara [31]

the asnwer is berlinuim  become a power geek like me  plz itl help u

6 0
2 years ago
Using water, how could you distinguish between the white solids kcl an pbcl2
Alexus [3.1K]
KCl and PbCl2 both are salts having the same white color, however, potassium salts are soluble in water while lead salts are not.
This means that KCl is soluble in water while PbCl2 is not.

So, to distinguish between them, add the same amount of each salt in a beakers containing water (each salt in a separate beaker of course), ans shake the beaker or steer it.
The salt that dissolves in water would be KCl while the salt that doesn't dissolve in water would be PbCl2.
6 0
3 years ago
Read 2 more answers
What would be the temperature change if 3.0 g of water absorbed 15 J of heat? Specific Heat capacity of water= 4.18 J/gºC
kati45 [8]
Not sure but I think it’s B try it out and double check it
3 0
2 years ago
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