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den301095 [7]
3 years ago
15

98 POINTS!!! AND BRAINLIEST PLZ HELP!!!

Chemistry
2 answers:
Brrunno [24]3 years ago
3 0

Answer:

This is a synthesis reaction

Explanation:

This is a synthesis reaction because the two elements are being joined together. This is the only type of reaction because it is being conjoined into one and for it to be any other of the types of reactions would require it to be either split up or of two different segments.

AnnZ [28]3 years ago
3 0

Answer:
Synthesis reaction
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Heavy nuclides with too few neutrons to be in the band of stability are most likely to decay by what mode?
Margarita [4]

Answer:

Positron emission

Explanation:

Positron emission involves the conversion of a proton to a neutron. This process increases the mass number of the daughter nucleus by 1 while its atomic number remains the same. The new neutron increases the number of neutrons present in the daughter nucleus hence the process increases the N/P ratio.

A positron is usually ejected in the process together with an anti-neutrino to balance the spins.

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3 years ago
What percent of the ocean is euphotic zone
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Depth where light intensity falls to one percent<span> of that at the surface, called the euphotic depth</span>
7 0
4 years ago
Container A (with volume 1.23 L) contains a gas under 3.24 atm of pressure. Container B (with volume
kolbaska11 [484]

Now that a lot of pressure

8 0
3 years ago
Compare the root mean square speeds of O2 and UF6 at 65 degree Celsius
gayaneshka [121]
<h3>Answer:</h3>

The root mean square speeds of O₂ and UF₆ is 513m/s and 155 m/s respectively.

<h3>Solution and Explanation:</h3>
  • To find how fast molecules or particles of gases move at a particular temperature, the root  mean square speed is calculated.
  • Root mean square speed of a gas is calculated by using the formula;

       Root mean square=\sqrt{ \frac{3RT}{M}

       Where R is the molar gas constant, T is the temperature and M is the molar mass of gas in Kg.

<h3>Step 1: Root mean square speed from O₂</h3>

Molar mass of Oxygen is 32.0 g/mol or 0.032 kg/mol

Temperature = 65 degrees Celsius or 338 K

Molar gas constant = 8.3145 J/k.mol

Root mean square speed = \sqrt\frac{(3)(8.3145)(338K)}{0.032}

                                        = 513.289 m/s

<h3>Step 2: Root mean square speed of UF₆   </h3>

The molar mass of UF₆ is 352 g/mol or 0.352 kg/mol        

Root mean square speed = \sqrt\frac{(3)(8.3145)(338K)}{0.352}

                                                 = 154.762m/s

Therefore; the root mean square speeds of O₂ and UF₆ is 513m/s and 155 m/s respectively.

7 0
3 years ago
20. Explain, in terms of valence electrons, why the bonding in NaCl is ionic.
Ivahew [28]

Answer:

MgO, is similar to the bonding in barium chloride, BaCl2. The bonding in each compound involves a transfer of valence electrons from the metal to the nonmetal; both metals lose all of their valence electrons

Explanation:

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4 0
3 years ago
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