2 years ago

If potassium (K) and chlorine (CI) form an ionic bond, K will become a cation and CI

Chemistry

1 answer:

Tresset [83]2 years ago

3 0

Answer:

True

Explanation:

It is true as metals form a positive ion when they take part in a chemical reaction. Nonmetals form an anion when bonding.

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It takes Mark two hours to ride his bike 12 miles to his grandma’s house. What is Mark’s speed in miles per hour? I need an answ

lions [1.4K]

Answer:

Mark has a speed of 6 MPS (Miles Per Hour)

Explanation:

It took mark 2 hours to ride his bike to his grandma's house, which was 12 miles away. I divided 2 by 12 and got 6. Remember this: mph = miles away ÷ time.

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2 years ago

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Compare the molar concentration of the crystal violet solution to that of the sodium hydroxide solution. approximately how much

romanna [79]

The <span>molar concentration of the crystal violet solution is more concentrated than that of the sodium hydroxide solution. It is because the crystal violet solution has more solute in it compared to the sodium hydroxide.</span>

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2 years ago

Which of the following has helped preserve resources while cutting the demand for energy?

sweet [91]

A is the correct answer

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2 years ago

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What is the boiling point, melting point, and triple point of bromine?

Lapatulllka [165]

Answer:

A. Boiling point = 59 °C, Melting point = -7.2°C, triple point = -7.3°C

Explanation:

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3 years ago

For the reaction of hydrogen with iodine

fenix001 [56]

Answer:

$r_{H_2} = \frac{-1}{2} r_{HI}$

Explanation:

Hello!

In this case, considering the given chemical reaction:

$H_2(g) + I_2(g) \rightarrow 2HI(g)$

Thus, by applying the law of rate proportions, we can write:

$\frac{1}{-1} r_{H_2} = \frac{1}{-1}r_{i_2} = \frac{1}{2} r_{HI}$

Whereas the stoichiometric coefficients of reactants are negative due their disappearance and that of the product is positive due to its appearance. In such a way, when we relate the rate of disappearance of hydrogen gas to the rate of formation of hydrogen iodide, we obtain:

$r_{H_2} = \frac{-1}{2} r_{HI}$

Best regards!

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2 years ago