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faust18 [17]
3 years ago
12

Table salt is 42.7% sodium how many grams of salt contain 76 g of sodium

Chemistry
1 answer:
Alexeev081 [22]3 years ago
3 0

Answer:

Số gam muối ăn cần là 76:42,7%=177,986 g

Explanation:

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A diver has 3,400 J of gravitational potential energy after climbing
Zanzabum

Answer:

57.8kg

Explanation:

Potential energy is given by:

U =mgh

Where U is potential energy, m is mass, g is acceleration due to gravity, and h is height. Using this equation:

3400=m(9.8)(6)\\3400=58.8m\\m=57.8kg

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2 years ago
An ionized helium atom has a mass of 6.6 × 10-27 kg and a speed of 5.3 × 105 m/s. It moves perpendicular to a 0.78-T magnetic fi
arsen [322]

Explanation:

In a magnetic field, the radius of the charged particle is as follows.

             r = \frac{mv}{qB}

where,   m = mass,      v = velocity

              q = charge,    B = magnetic field

Therefore, q will be calculated as follows.

         q = \frac{mv}{rB}

            = \frac{6.6 \times 10^{-27} \times 5.3 \times 10^{5}}{0.014 m \times 0.78 T}

            = \frac{34.98 \times 10^{-22}}{0.01092}

            = 3.2 \times 10^{-19} \times \frac{1.0 e}{1.6 \times 10^{-19}C}

            = +2e

Thus, we can conclude that the charge of the ionized atom is +2e.

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2 years ago
What is T1 in Kelvin?<br> 0 26K<br> 178K<br> 299K<br> 451K
Zinaida [17]
The answer is C. 299k
3 0
3 years ago
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Which is an unreliable source?
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I believe CDC I s the most reliable

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The necessity of ascorbic acid for its role in _____ is believed to be the reason that people with scurvy have no energy and are
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Answer:

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Explanation:

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Carnitine is derived from amino acids and acts as a cofactor for the enzyme acetyltransferase responsible for the transport of fatty acids to mitochondria. Your presence in the body is very important for feeling energetic and strong. The lack of canitine, influenced by the lack of ascorbic acid in individuals suffering from scurvy, causes a lack of energy.

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3 years ago
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