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jeyben [28]
2 years ago
5

What is a disadvantage of using solar energy to produce electricity

Chemistry
2 answers:
Vlada [557]2 years ago
8 0

Answer:

Sun

Explanation:

It Might be raining meaning that the sun isn't shining very brightly.

atroni [7]2 years ago
3 0

Answer:

The solar energy might cost a lot in order to install it. As well, there is no solar power at night so you won't have the electricity you need. So like in winter in some place there is no Sun, more specifically the light from the Sun, it is sometimes cloudy all day and there is no light coming from the Sun, so like I said you won't have electricity.

Explanation:

I hope my explanation was understandable :/

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Describe the displacement method for measuring the volume of an object
jeyben [28]
<span>Volume is a measure of the amount of space an object takes up. When a cylinder is submerged in the water it pushes water out of the way. If you measure the amount the water level increases, you can find the volume of the water pushed out of the way. </span>
6 0
3 years ago
4) The initial rate of the reaction between substances P and Q was measured in a series of
ASHA 777 [7]

Answer:

The initial rate of the reaction between substances P and Q was measured in a series of

experiments and the following rate equation was deduced.

rate = k[P]^{2} [Q]

Complete the table of data below for the reaction between P and Q

Explanation:

Given rate of the reaction is:

rate= k[P]^{2} [Q]\\=>[Q]=\frac{rate}{k.[P]^{2} } \\and \\\\\\\ [P]=\sqrt{\frac{rate}{k.[Q]} }

Substitute the given values in this formulae to get the [P], [Q] and rate values.

From the first row,

the value of k can be calulated:

k=\frac{rate}{[P]^{2}[Q] } \\  =\frac{4.8*10^-3}{(0.2)^{2} 2. (0.30)} \\ =0.4

Second row:

2. Rate value:

rate =0.4* (0.10)^{2} * (0.10)\\\\        =4.0*10^-3mol.dm^-3.s^-1

3.Third row:

[Q]=\frac{rate}{k.[P]^{2} } \\     =9.6*10^-3 / (0.4 *(0.40)^{2} \\    =0.15mol.dm^{-3}

4. Fourth row:

[P]=\sqrt{\frac{rate}{k.[Q]} }\\=>[P]=\sqrt{\frac{19.2*10^-3}{0.60*0.4} } \\=>[P]=0.283mol.dm^{-3}

6 0
2 years ago
Which of these is a carbohydrate?
Paladinen [302]

Answer:

C6H12O6

Glucose

Explanation:

Glucose is a monocarbohydrate

carbohydrates always have only C, H, and O

brainliest plz

6 0
2 years ago
Hydrogen sulfide burns form sulfur dioxide:
Helga [31]

Answer: 404.04 kJ.

Explanation:

To calculate the moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

moles of H_2S

\text{Number of moles}=\frac{26.7g}{34.1g/mol}=0.78moles

2H_2S(g)+3O_2(g)\rightarrow 2SO_2(g)+2H_2O(g)    \Delta H=-1036kJ

According to stoichiometry :

2 moles of H_2S on burning produces = 1036 kJ

Thus 0.78 moles of H_2S on burning produces =\frac{1036kJ}{2}\times 0.78=404.04

Thus the enthalpy change when burning 26.7 g of hydrogen sulfide is 404.04 kJ.

7 0
3 years ago
Eeeeeeeeeeeeeeeeeeeeeeeeeee
Varvara68 [4.7K]

Answer:

dolo HAHAHAAHAHHAHAHAHA

6 0
2 years ago
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