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2 years ago

Cloudy nights are often warmer than clear nights. Why is this so?

Chemistry

1 answer:

dsp732 years ago

4 0

Answer: B

Explanation: The clouds act almost like a lid. Think of it like when you put tin foil over food before it goes in the oven. so that even after it is removed from the heat the tin foil traps it causing it to stay warm.

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Examine the following equations.

Alex

Answer: (A) and (D)

Options (A) and (D) represent beta decay.

Explanation:

It is very simple to find beta decay in a nuclear reaction. In beta decay , neutron breaks down into a proton and an electron. After that electron is emitted from the nucleus,while proton remains inside nucleus. The resulting daughter nuclei will have one more proton and one less neutron.

8 0

2 years ago

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PLEASE HELPPPP!!!!!!!!!!!!

bixtya [17]

Answer:

Largest: Mg

Smallest: Cl

Explanation:

8 0

3 years ago

Which of the following is a chemical change?I

Sergeu [11.5K]

Answer:

combustion is a chemical change

3 0

2 years ago

What is the ratio by atoms of elements present in hafnium phosphite?

timurjin [86]

3:6:2 is the correct answer

3 0

2 years ago

Which missing item would complete this beta decay reaction?<br> PLATO

goldfiish [28.3K]

Answer: $_{-1}^0\beta$

Explanation:

General representation of an element is given as: $_Z^A\textrm{X}$

where,

Z represents Atomic number

A represents Mass number

X represents the symbol of an element

Beta decay : In this process, a neutron gets converted into a proton and an electron releasing a beta-particle. The beta particle released carries a charge of -1 units.

$_Z^A\textrm{X}\rightarrow _{Z+1}^A\textrm{Y}+_{-1}^0\beta$

The given reaction would be represented as:

$_{43}^{98}\textrm{Tc}\rightarrow_{44}^{98}\textrm{Pb}+_{-1}^0\beta$

7 0

3 years ago

Read 2 more answers