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elena-s [515]
3 years ago
8

What is base unit used to measure volume?

Chemistry
2 answers:
Minchanka [31]3 years ago
5 0

Answer:

SI unit

Explanation:

the base unit of volume in the SI system is the cubic meter

dimaraw [331]3 years ago
5 0

Answer:

wasdwsdwasdasdhjkgchkhjck

Explanation:

gkghkghklhjljkxfjy iuipfghjgykjhgklj

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neonofarm [45]

Answer:

Imao ;/

Explanation:

5 0
2 years ago
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What are the properties of organic compounds determined by?
jarptica [38.1K]
The properties of organic compounds is determined by <u>A) Their boiling point</u><u />.
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3 years ago
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How many grams of nitric acid will react completely with a block of iron metal that is 4.5 cm by 3.0 cm by 3.5 cm, if the densit
denpristay [2]

Balance the equation first: 

2 Fe+6 HNO3→2 Fe(NO3)3+3H2

Then calculate mass of Iron :

4.5×3.0×3.5 cm3(1 mL1 cm3)(7.87 g Fe1 ml)=371.86 g Fe

Now use Stoichiometry:

371.86 g Fe×(1 mol Fe55.85 g Fe)×(6 mol HNO32 mol Fe)=19.97 mol HNO3

Convert moles of nitric acid to grams

19.97 mol HNO3×(63.01 g HNO31 mol HNO3)=1258.3 g HNO3



7 0
2 years ago
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1. In general, the nucleus of a small atom is stable. Therefore, over very short distances, such as those in a small nucleus,
postnew [5]
<h3>1. <u>Answer;</u></h3>

a. the strong nuclear force is much greater than the electric force.

<h3><u>Explanation</u>;</h3>
  • <em><u>For an atom to be stable it means it has enough amount of binding energy to hold its nucleus together permanently. </u></em>
  • Therefore, <em><u>an unstable atom lacks enough amount of binding energy to hold its nucleus permanently and thus undergoes decay to achieve stability. Unstable atoms are therefore referred to being radioactive.</u></em>
  • Small atoms are stable; <u>this is because they have equal number of protons and neutrons and thus the protons and neutrons fill up energy levels while maximizing the strong force binding the nucleus together. </u>

<h3>9.<u> Answer;</u></h3>

b. change into a different element altogether.

Uranium-238 undergoes alpha decay. Therefore, uranium-238 will  <em><u>change into a different element altogether</u></em>.

<h3><u> Explanation;</u></h3>
  • Unstable atoms undergo radioactive decay in order to achieve stability of their nucleus.
  • <em><u>Uranium-238 is an example of such atom, which may undergo decay to achieve stability.</u></em>
  • <em><u>Alpha decay is one of the types of decays,</u></em> others being beta decay and gamma decay. <em><u>In alpha decay the radioactive isotope undergoes decay such that its mass number is decreased by four and its atomic number is decreased by two.</u></em>
  • Therefore, <em><u>Uranium-238 undergoes alpha decay to form a different element whose mass number is 234 and atomic number is 90, known as thorium-234. </u></em>
5 0
3 years ago
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What would happen if the amount of chlorofluorocarbons would suddenly increase and what would happen to the climate?
mario62 [17]
If CFC increases, there will be a ozone depletion ! the UV rays starts entering and leads to mutation and deaths !

the temperature of the climate increases drastically !
4 0
3 years ago
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