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SOVA2 [1]
2 years ago
10

What is a disadvantage of a series circuit?

Chemistry
1 answer:
Digiron [165]2 years ago
3 0
The answer is B

If one circuit fails, it is most likely that all the components in the circuit will fail.
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The answer is A lithium sulfite
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Answer question 13. What is the mechanical advantage of a lever that can lift a 100 N load with a input force of 20 N
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MA= output force/ input force
MA= 100N/20N
MA= 50
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3 years ago
Sand dunes are created when the wind carrying the sand runs into an obstacle A. True B. False
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3 years ago
Farmers who raise cotton once used arsenic acid, H₃AsO₄, as a defoliant at harvest time. Arsenic acid is a polyprotic acid with
Stels [109]

Explanation:

The reaction equation will be as follows.

      H_{3}AsO_{4} \rightleftharpoons H_{2}AsO^{-}_{4} + H^{+}

Hence, the expression for K_{a} is as follows.

            K_{a} = \frac{[H_{2}SO^{-}_{4}][H^{+}]}{[H_{3}AsO_{4}]}

Let us assume that the concentration of both [H_{2}AsO^{-}_{4}] and [H^{+}] is x.

           2.5 \times 10^{-4} = \frac{x \times x}{0.5}

                          x = 0.01118034

This means that the concentration of [H^{+}] is 0.01118034.

Since, we know that the relation between pH and concentration of hydrogen ions is as follows.

              pH = -log [H^{+}]

                    = -log (0.01118034)

                    = 1.958

Thus, we can conclude that the pH of a 0.500 M solution of arsenic acid is 1.958.

6 0
3 years ago
The Connecticut Bueller theory assumes that particles of an ideal gas are
postnew [5]

<span>are in random, constant, straight-line motion</span>

<span>
</span>

<span>your welcome :)</span>

<span>all I Ask is for a thank u peaceeee</span>


3 0
3 years ago
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