Tidal power plants work best in small estuaries or intels that border the ocean. True or false?

Chemistry

1 answer:

masya89 [10]3 years ago

3 0

True because of the constant flow in and out of the estuaries and the ocean.

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A student obtains a mixture of the chlorides of two unknown metals, X and Z. The percent by mass of X and the percent by mass of

Aleksandr-060686 [28]

Answer: The additional information that is helpful in calculating the mole percent of XCl(s) and ZCl(s) is the molar masses of Z and X

Explanation:

To calculate the mole percent of a substance, we use the equation:

$\text{Mole percent of a substance}=\frac{\text{Moles of a substance}}{\text{Total moles}}\times 100$

Mass percent means that the mass of a substance is present in 100 grams of mixture

To calculate the number of moles, we use the equation:

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

We require the molar masses of Z and X to calculate the mole percent of Z and X respectively

Hence, the additional information that is helpful in calculating the mole percent of XCl(s) and ZCl(s) is the molar masses of Z and X

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3 years ago

Simplify: (100 m)/(26 s)

podryga [215]

100m/26s=50m/13s

50m/13s=3.846m/s

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3 years ago

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Which statement correctly describes a chemical reaction?

Trava [24]

The correct answer is C

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What is the binding energy of a mole of nuclei with a mass defect of 0.00084 kg/mol?

lana [24]

Answer:

7.56 x 10^13 J/mol

Explanation:

Binding energy = (Mass defect) × (velocity of light)² = (84 × 10^-5) × (3 × 10^8)^2 = 756 × 10^11 J = 7.56 × 10^13 J/mol

Hope this helps -Paige

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In addition to content, elements also support _______ that specify the use, the behavior, and in some cases the appearance of an

a_sh-v [17]

In addition to content, elements also support attributes that specify the use, the behavior, and in some cases the appearance of an element.
The other options just do not fit the blank in this question, which is why the word attributes is the correct one to choose here.

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