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3 years ago

Which of the following is an oxidation half-reaction?

Chemistry

1 answer:

Lilit [14]3 years ago

7 0

Answer:

Sn²⁺ → Sn⁴⁺ + 2e⁻

Explanation:

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Italian salad dressing is an example of a __________________.

Romashka [77]

The answer is E.solution. I hope it helps. Please Brainly Me! It is the thing with the crown next to the stars.

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3 years ago

12) Which particle has the most energy? A) ice B) water C) steam D) there is no difference in particle energy

sladkih [1.3K]

C) Steam has the most energy.

Steam has more energy than Ice and Water because the particles in ice are close together, the particles in water flow more loosely than in a solid like ice and in steam they are very active.

I hope that helps u understand :)

6 0

3 years ago

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What is the empirical formula for a compound if a sample contains 1. 0 g of S and 1. 5 g of O? SO SO3 S2O2 S2O3.

Tcecarenko [31]

The empirical formula of the given compound is $\bold{SO_3}$ .

The correct option is B.

<h3>What is an empirical formula?</h3>

The empirical formula of a chemical compound is the simplest whole-number ratio of atoms contained in the substance.

Given,

1.0 g of S

1.5 g of O

To calculate the empirical formula, we will divide the masses of the elements by their atomic weight.

For sulfur

$\bold{\dfrac{1.0}{32} =0.03125\; mol}$

For oxygen

$\bold{\dfrac{1.5}{16} =0.09375\; mol}$

Now, divide the greater value of mole came by the smaller value

$\bold{\dfrac{0.09375\; mol}{0.03125\;mol} = 3}$

Thus, the empirical formula for the given compound is 1 for S and 3 for O

$\bold{SO_3}$

Learn more about empirical formula, here:

brainly.com/question/11588623

7 0

2 years ago

Please help, need it for homework

Pavel [41]

Answer:

Explanation:

nobody knows

8 0

1 year ago

What is the atomic number of all Calcium Isotopes?

ryzh [129]

Answer:

all calcium atoms have an atomic number of 20 but there are three isotopes of calcium - 39, 40, and 42

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3 years ago

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