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Svetllana [295]
2 years ago
7

What do a mole of magnesium (Mg) and a mole of iron (Fe) have in common?

Chemistry
1 answer:
azamat2 years ago
9 0
What they have in common is that they both have the same number of atoms.
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How do cells get ATP, the energy currency that does work in living things?
luda_lava [24]
How do cells get ATP through Cellular Respiration.
Cellular respiration takes place in the mitochondria. The Mitochondria use oxygen (O2) to convert broken-down glucose (at type of sugar) into carbon dioxide (CO2) and water (H2O).
The reactants of CR are oxygen and glucose.
The products of CR are ATP, carbon dioxide, and water.
3 0
3 years ago
Why is it the principle about the relationship between mass and volume always true of substance, but not always true of mixtures
Xelga [282]

Answer:

For pure substances, the mass and volume will always be the same or will always change the same way because all substance are the same throughout.

While for mixtures, you can have varying amount of each component therefore mass and volume will not change the same way for substances

7 0
1 year ago
How many chiral carbons does the molecule have?
trapecia [35]

Answer:

The molecule has two chiral carbons

Explanation:

i hope its the right answer

7 0
2 years ago
What is the formula for hydrogen-hydrogen?
kupik [55]
The formula for hydrogen-hydrogen is H-H
4 0
3 years ago
What substance would you add to KF(aq) to form a buffer solution? View Available Hint(s) What substance would you add to to form
AnnyKZ [126]
<h3>Answer</h3>

HF

<h3>Explanation</h3>

A buffer solution contains <em>a weak acid</em> and<em> its conjugate base</em>. The two species shall have a similar concentration in the solution. It's also possible for <em>a weak base</em> and <em>its conjugate acid</em> to form a buffer solution.

The KF solution already contains large number of \text{F}^{-} ions. The objective is to thus find its conjugate acid or base.

\text{F}^{-} contains no proton \text{H}^{+} and is unlikely to be a conjugate acid. Assuming that \text{F}^{-} is a conjugate base. Adding one proton to \text{F}^{-} would produce its conjugate acid.

\text{H}^{+} \; (aq) + \text{F}^{-} \; (aq) \rightleftharpoons \text{HF}\; (aq)

Therefore \text{HF} is the conjugate acid of \text{F}^{-}. \text{HF} happens to be a weak acid. As a result, combining \text{F}^{-} with \text{HF} would produce a solution with large number of both the weak acid and its conjugate base, which is a buffer solution by definition.

4 0
3 years ago
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