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ExtremeBDS [4]
3 years ago
14

Which orbitals from a pi bond?

Chemistry
1 answer:
QveST [7]3 years ago
8 0

Answer:

B. The s orbital and two p orbitals

Explanation:

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Please help with my chemistry! PLEASE
Dahasolnce [82]

Answer:

b.

Explanation:

Americium decays to neptunium 237.

An alpha particle has 2 protons and 2 neutrons, so 4 helium atoms.

241-4=237

4 0
2 years ago
What term defines a mass which is exactly equal to 1/12 the mass of one carbon-12 atom
aalyn [17]

Answer:

Relative atomic mass and it is expressed in atomic mass unit (amu)

Explanation:

AMU:

Atomic mass unit is define as the 1/12 the mass of an atom of carbon-12.

C12 has six neutron and six protons in the nucleus.

This unit is used to express the masses of atoms. We know that masses of atoms are very small and we do not have any such type of balance that can measure very small quantity. So that is way we use this scale to measure small quantity. For example, according to this scale

relative atomic mass of hydrogen is 1.008 amu

relative atomic mass of oxygen is 15.999 amu

relative atomic mass of uranium is 238.0289 amu

relative atomic mass of chlorine is 35.453 amu

4 0
3 years ago
2.
Zepler [3.9K]

Answer:2170

Explanation:

8 0
3 years ago
How many grams of nitrogen dioxide are required to produce 5.89x10^3 kg of hno3 in excess water
polet [3.4K]
<span>3 NO2 + H2O -------->. 2 HNO3. + NO
3(46g)------------------------> 2 ( 63g) HNO3
? kg-------------------------5.89 x10^3kg HNO3
Mass of NO2. = 5.89x10^3 x 138/ 2(63) = 6.45 x10^3 kg</span>
5 0
3 years ago
Which of the following statements about tolerance range is true?
vovikov84 [41]
A. Tolerance range is different for different organisms.
6 0
3 years ago
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