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erik [133]
3 years ago
15

Which process produces the energy that is used by solar panels?

Chemistry
2 answers:
Setler [38]3 years ago
8 0

Answer:

A

Explanation: got it right

KengaRu [80]3 years ago
6 0

Answer:

B

Explanation:

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sodium-25 was to be used in an experiment but it took 3.0 minutes to get the sodium from the reactor to the laboratory if 5.0 mg
Hoochie [10]
3 half lives later... 5/2 = 2.5mg, then 2.5/2 = 1.25 mg, then 1.25/2 = .625 mg left
7 0
3 years ago
How many grams of glucose, C6H12O6, in 2.47 mole?
statuscvo [17]
First, we need to find the atomic mass of C_{6}H_{12}O_{6}.

According to the periodic table:
The atomic mass of Carbon = C = 12.01
The atomic mass of Hydrogen = H = 1.008
The atomic mass of Oxygen = O = 16

As there are 6 Carbons, 12 Hydrogens and 6 Oxygens, therefore:
The molar mass of  C_{6}H_{12}O_{6} = 6 * 12.01 + 12 * 1.008 + 6 * 16

The molar mass of  C_{6}H_{12}O_{6} = 180.156 grams/mole

Now that we have the molar mass of  C_{6}H_{12}O_{6}, we can find the grams of glucose by using:

mass(of glucose in grams) = moles(of glucose given in moles) * molar mass(in grams/mole)

Therefore,
mass(of glucose in grams) = 2.47 * 180.156
mass(of glucose in grams = 444.99 grams

Ans: Mass of glucose in grams in 2.47 moles = 444.99 grams

-i
6 0
3 years ago
Read 2 more answers
Why do scientists need to study seismic waves to analyze the interior of the earth and the layers of the earth?
Semenov [28]

Geologists use these records to establish the structure of Earth's interior. The two principal types of seismic waves are P-waves (pressure; goes through liquid and solid) and S-waves (shear or secondary; goes only through solid - not through liquid).

3 0
3 years ago
I need helps plss!!!!
Leni [432]

Answer:

Copper = 2 Boron = 12 (copper and boron combined = 14)

Explanation:

the number after the element is the amount of atoms there is

8 0
3 years ago
Two liquids – one polar, one nonpolar – have the same molar mass. which one has the higher boiling point?
Anton [14]
Polar will always have the higher boiling point because they have strong van der waal forces

7 0
4 years ago
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