Which is better solar energy or wind energy

Chemistry

2 answers:

ipn [44]2 years ago

7 0

Answer:

solar is better than wind

Explanation:

wind is not always blow in or blowing hard enough and most of day sun shines on us.

sammy [17]2 years ago

3 0

Answer:

1. Wind energy

2. Wind energy

3. It is energy that can be remaid

Explanation:

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How many moles of KBr are present in 8.96 x 10^21

Gelneren [198K]

Answer:

0.015 moles

Explanation:

One mole of a compound contains molecules equivalent to the Avogadro's constant, 6.022 × 10^23.

That is, 1 mole of a compound will have 6.022 × 10^23 molecules.

In our case, We are given 8.96 x 10^21 molecules of KBr

We need to find the number of moles in 8.96 x 10^21 molecules

1 mole of KBr = 6.022 × 10^23 molecules.

8.96 x 10^21 molecules = ?

Therefore;

(1 × 8.96 x 10^21 molecules ) ÷ 6.022 × 10^23 molecules.

= 1.488 × 10^-2 moles

= 0.01488 moles

= 0.015 moles

6 0

3 years ago

Which of these plants make the enviroment pleasant a.sandalwood b.basil c.brahmi

liberstina [14]

Sandalwood

Explanation:

this is the answer please mark me as brainleist

4 0

3 years ago

If 100. ml of water is added to 25 ml of 5.0 m nacl, the final concentration is __________.

Iteru [2.4K]

We may apply a mass balance here. The total moles of NaCl will remain constant before and after the mixing of the solutions. We have three solutions:
1) 25 ml of 5 M NaCl
2) 100 ml of 0 M NaCl
3) A mixture of these solutions with volume 125 ml and concentration C

The moles of a substance are equal to the product of the concentration and volume. Thus:

25 * 5 + 100 * 0 = 125 * C
C = 1 M

The concentration of the final solution is 1 M.

4 0

2 years ago

Read 2 more answers

The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte that dissolves in diethyl et

Alexxx [7]

Answer: The vapor pressure of solution is 459.17 mmHg

Explanation:

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$ .....(1)