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Wewaii [24]
3 years ago
14

If I have one mole of cupcakes, how many cupcakes do I have?

Chemistry
1 answer:
telo118 [61]3 years ago
3 0

Answer:

1

Explanation:

1 mole of anything is just 1 complete something like one mol of H is 1.008 and 1 mole of O 15.999

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What is the energy of an electromagnetic wave with a frequency of 8 x 10^12
omeli [17]

Answer:

Energy, E=5.3\times 10^{-21}\ J

Explanation:

It is required to find the energy of an electromagnetic wave with a frequency of 8\times 10^{12}\ Hz. The energy of a wave in terms of its frequency is given by :

E=h\nu

\nu = frequency of em wave

E=6.63\times 10^{-34}\times 8\times 10^{12}\\\\E=5.3\times 10^{-21}\ J

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4 0
3 years ago
Balancing chemical equations
kolbaska11 [484]

Answer:

2B2 + 3O2 → 2B2O3

Explanation:

Balance The Equation: B2 + O2 = B2O3

1. Label Each Compound With a Variable

  aB2 + bO2 = cB2O3

2. Create a System of Equations, One Per Element

  B: 2a + 0b = 2c

  O: 0a + 2b = 3c

3. Solve For All Variables (using substitution, gauss elimination, or a calculator)

  a = 2

  b = 3

  c = 2

4. Substitute Coefficients and Verify Result

  2B2 + 3O2 = 2B2O3

      L R

  B: 4 4 ✔️

  O: 6 6 ✔️

hope this helps!

7 0
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
3 years ago
Read 2 more answers
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