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vitfil [10]
3 years ago
6

In stoichiometric calculations, which quantity MUST be used to convert from one chemical substance to another?

Chemistry
1 answer:
Cloud [144]3 years ago
4 0

The answer is

C) mole ratio

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When a plant goes through photosynthesis, it uses light energy and converts it into chemical energy
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A beaker contains 249 mL of a 6.54 M HCl(aq) solution. Determine the new concentration of the solution after it is diluted by ad
drek231 [11]

Answer:

The new molarity is 0.614 M

Explanation:

Formula for dilutions is:

M concentrated . Volume of conc = Volume of dil . M diluted

6.54 M . 249 mL = 416 mL . M diluted

Notice that volume of diluted is = Initial volume + What we added of water

(249mL + 167 mL)

(6.54 M . 249 mL) / 416mL = M diluted → 0.614 M

5 0
3 years ago
What determines the types of chemical reactions that an atom participates in? A. the number of electrons in the outermost electr
Dafna1 [17]

Answer:

The answer would be A. the number of electrons in the outermost electron shell.

Explanation:

These are called valence electrons which are transferred, shared, and rearranged by creating covalent bonds producing new substances.

Hope this helped! :)

8 0
3 years ago
Proper care of a sprain is ?
tamaranim1 [39]

Answer:

Rest. Avoid activities that cause pain, swelling or discomfort.

Ice. Use an ice pack or ice slush bath immediately for 15 to 20 minutes and repeat every two to three hours while you're awake.

Compression. To help stop swelling, compress the ankle with an elastic bandage until the swelling stops.

Elevation.

6 0
3 years ago
Consider the reversible reaction A ( g ) − ⇀ ↽ − B ( g ) Which K values would indicate that there is more B than A at equilibriu
oksano4ka [1.4K]

Answer:

5000 and 8\times 10^{7} indicate that there is more B than A at equilibrium

Explanation:

For the given reaction: K=\frac{[B]}{[A]}

where [B] and [A] represents equilibrium concentration B and A respectively. K represents equilibrium constant

More B than A at equilibrium means, [B] > [A]

So, K=\frac{[B]}{[A]}>1

As, both 5000 and 8\times 10^{7} are greater than 1 therefore these two K values indicate that there is more B than A at equilibrium

4 0
3 years ago
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