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klasskru [66]
2 years ago
12

Number three please how ever gets it first gets brainliest

Chemistry
2 answers:
Free_Kalibri [48]2 years ago
8 0
We can’t see the energy pyramid.
tankabanditka [31]2 years ago
7 0
Can’t answer that because we need to see the energy pyramid
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4.00 g of sodium and 2.00 g of oxygen react according to the following balanced equation 4 Na + O2 → 2 Na2O Calculate the mass o
posledela
6.00g because it is a balanced equation
6 0
3 years ago
Giving 30 points!! please help <3
TiliK225 [7]

Answer:

below :)

Explanation:

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2 years ago
Please help!! I don’t think I did this right.?
harkovskaia [24]

Answer:

It was done correctly, Your answer is completely correct.

Explanation:

8 0
2 years ago
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How many pounds does 1.00 quart of mercury weight? its density is 13.6g/mL
Gala2k [10]
Two steps by inspection 1 qt = 0.25 gallons, 13.6 g/mL = 13.6 kg/L

0.25 gallon x 3.785411784 L/gallon x 13.6 kg/L x 1 lb/0.45359237 kg = 28.374 lb.

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5 0
3 years ago
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If the frequency of a wave is 68 hertz then the period of the wave is going to be
tigry1 [53]
The answer is 4.41x10^1 m.

Explanation:

You would use this formula to calculate it
λ = C/f

Where,

λ (Lambda) = Wavelength in meters

c = Speed of Light (299,792,458 m/s)

f = Frequency

So we have the frequency, 68 Hz, and we have the speed of light. Now we put it into the equation and it will look like this:


λ= (299,792,458 m/s) / (68 Hz)

λ= 4.41x10^1


6 0
2 years ago
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