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Advocard [28]
2 years ago
6

Which describe beta decay? check all that apply. in beta decay, a proton becomes a neutron and a positron. in beta decay, a neut

ron becomes a proton and an electron. in beta decay, a neutron becomes a proton and a gamma ray. beta decay releases energy. beta decay releases a helium-4 nucleus.
Chemistry
1 answer:
kiruha [24]2 years ago
6 0

The statements which best describe beta decay are: option 1, 2 and 4.

<h3>What is a beta particle?</h3>

A beta particle can be defined as an isotope which typically undergoes radioactive decay through the emission of a radiation with a -1 charge.

Based on scientific information and records from radioactivity, we can infer that the statements which best describe beta decay are:

  • During beta decay, an atom of proton becomes a neutron and a positron.
  • During beta decay, an atom of neutron becomes a proton and an electron.
  • Beta decay releases energy.

Read more on beta decay here: brainly.com/question/12448836

#SPJ4

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Calculate how many methane molecules and how many carbon and hydrogen atoms are there in 25 g of Methane?​
sasho [114]

From the formula of methane it is clear that one mole of methane has 4hydrogen atoms. So, 37.6×1023 hydrogen atoms are there in 25.0 g of methane. Therefore, 9.4×1023methane molecules and 9.4×1023 hydrogen and 37.6×1023carbon atoms are there in 25.0 g of methane.

mark me brainliestt :))

5 0
3 years ago
Consider the hydrocarbon below.
Ket [755]
It is an Alkene because it has a double bond, so it’ll have “ene” at the end. The simplest Alkene has 2 carbons.

2 carbons = “eth”

Look at that! Two carbons! It must be “ethene”
4 0
4 years ago
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Which terms are used to identify pure substances
Semenov [28]

Answer:

Color, odor, density, melting temperature, boiling temperature, and solubility are examples of physical properties. Physical properties can be used to identify a pure substance.

Explanation:

please mark brainliest! :)

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3 0
3 years ago
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What is true if ln K is negative??Gorxn is zero and the reaction is at equilibrium.?Gorxn is positive and the reaction is sponta
Stolb23 [73]

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idkoc

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3 0
3 years ago
A hydrate of CuSO4 has a mass of 12.98 g before heating. After heating, the mass of the anhydrous compound is found to be 9.70
MatroZZZ [7]
After the water is boiled off, the mass is 9.7 grams, so find the weight of the water.

12.98 - 9.7 = 3.28g H2O

Find how many moles of CuSO4 and H2O you have.

If there are about 18g per mole of H2O

3.28/18 = .1822 moles of H2O

If there are about 160g per mole of CuSO4

9.7/160 = .0606 moles of CuSO4

.1822/.0606 = 3

Ratio of H2O to CuSO4 = 1:3

Formula
<span>CuSO4.3H2O
</span>
Full Name
<span>Copper (II) Sulphate Trihydrate</span>


8 0
3 years ago
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