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Diano4ka-milaya [45]
3 years ago
13

What does it mean to be an exact number? Give an example of an exact number.

Chemistry
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer:

An exact number is a value that is known with complete certainty. Like for Examples of exact numbers are counted numbers of objects or certain unit conversions. For example, there are exactly 3 feet in 1 yard. There are exactly 12 eggs in a dozen. A class may contain exactly 25 students.

Explanation:

Hope this helps.

Have a good night ma´am/sir.

Be safe!

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Lewis dot diagram for the Cs1+ ion
creativ13 [48]

Answer:

Cs^+

Explanation:

Cesium Lewis dot structure would look like this:

·Cs,  because it only has one valence electron. But, since it has a plus, that means we lost an electron. So, we have to get rid of the dot and you have:

Cs^+

7 0
2 years ago
There are several ways to model a compound. One type
mr Goodwill [35]

Answer:

C4H9O2

Explanation:

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Which class of biomolecule do the molecules in the table belong to?
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The oythagorean theroem
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Calculate the mass in grams, in 2.28 mol of H2SO4. Please show your work to receive credit.
solmaris [256]

Answer:

98g

Explanation:

h=1*2=2

s=32

0=16*4=64

64+32+2=98

4 0
3 years ago
Which statement is true regarding carbonic acid (H 2CO 3)? If body fluids are too alkaline, carbonic acid is excreted through th
dimaraw [331]

Answer:

the correct option is : If body fluids are too acidic, carbonic acid is excreted through the respiratory system in the form of carbon dioxide and water.

Explanation:

Metabolic acidosis is compensated by two systems, the renal and respiratory systems.

In the case of the respiratory system, the mechanism it uses to compensate for this phenomenon is to release the carbonic acid molecule dissociated into its components, that is, in the form of water and carbon dioxide.

The greater the acidosis, the more hyperventilation the person will have, and this is because they seek to eliminate carbonic acid more efficiently and quickly, along with renal excision.

The metabolic acidosis generated by carbonic acid is lethal, since the proteins in our body are denatured and the homeostasis of all systems is corrupted.

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