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timama [110]
3 years ago
11

PLS HELP IF YOU WANT BRAINLIEST

Chemistry
2 answers:
melisa1 [442]3 years ago
8 0

Answer: The correct answer is Gregor Mendel, and that pea plant traits were passed from parents to offspring in a process called heredity

Explanation:

erica [24]3 years ago
7 0

Answer:

Mendel and heredity.

Explanation:

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The atomic mass of Cu is 63.5. Find its electrochemical equivalent​
FrozenT [24]

Answer:

The electrochemical equivalent of copper, Cu, is 3.29015544 × 10⁻⁷ g/C

Explanation:

The given parameters are;

The element for which the electrochemical equivalent is sought = Copper

The atomic mass of copper = 63.5

The electrochemical equivalent, 'Z', of an element or a substance is the mass, 'm', of the element or substance deposited by one coulomb of electricity, which is equivalent to a 1 ampere current flowing for a period of 1 second

Mathematically, we have;

m = Z·I·t = Z·Q

We have;

Cu²⁺ (aq) + 2·e⁻ → Cu

Therefore, one mole of Cu, is deposited by 2 moles of electrons

The charge carried one mole of electrons = 1 Faraday = 96500 C

∴ The charge carried two moles of electrons, Q = 2 × 96500 C = 193,000 C

Given that the mass of an atom of Cu = 63.5 a.m.u., the mass of one mole of Cu, m = 63.5 g

Z = \dfrac{m}{Q} = \dfrac{63.5 \ g}{193,000 \ C} = 3.29015544 \times 10^{-4} \, g \cdot C^{-1}

∴ Z = 3.29015544 × 10⁻⁴ g/C = 3.29015544 × 10⁻⁷ g/C

The electrochemical equivalent of copper, Cu, is Z = 3.29015544 × 10⁻⁷ g/C

7 0
3 years ago
Which of the following correctly describes voltage difference?
7nadin3 [17]
Voltage difference is the push that causes charges to flow from high to low areas.
7 0
3 years ago
Suppose that you measured out 3.50g of Na2SO4. how many moles would you have? (show work)​
Ket [755]

Answer:

Na2SO4 is equal to 0.0070401642780093 mole.

Explanation:

5 0
3 years ago
11. Given the following average bond energies in kJ/mol?
sdas [7]

Answer:

hjuijhbhjijnjnjghbgkjfgvv

Explanation:

8 0
3 years ago
HELP ASAP<br> SHOW WORK!<br><br> how many atoms are in 5.90 mol of calcium ca
saveliy_v [14]

Answer:

1 I'm doing this in science class right now I got help yesturday on it! hope this helps

7 0
3 years ago
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