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3 years ago

you arrive in hampton 45 seconds after you left York college which is 50 feet away how fast did you travel

Chemistry

1 answer:

Nimfa-mama [501]3 years ago

4 0

.9 feet per second, because 45 divided by 50 equals .9

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What is the molecular weight mass for KOH

lubasha [3.4K]

The weight is 56.1056 g/Mol hoped this helped

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3 years ago

What is the daughter nucleus (nuclide) produced when 64 Cu Cu64 undergoes beta decay by emitting an electron? Replace each quest

kenny6666 [7]

<u>Answer:</u> The daughter nuclide formed by the beta decay of given isotope is $_{30}^{64}\textrm{Zn}$

<u>Explanation:</u>

Beta decay is defined as the process in which beta particle is emitted. In this process, a neutron gets converted to a proton and an electron.

The released beta particle is also known as electron.

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

We are given:

Parent isotope = $_{29}^{64}\textrm{Cu}$

The chemical equation for the beta decay process of $_{29}^{64}\textrm{Cu}$ follows:

$_{29}^{64}\textrm{Cu}\rightarrow _{30}^{64}\textrm{Zn}+_{-1}^0\beta$

Hence, the daughter nuclide formed by the beta decay of given isotope is $_{30}^{64}\textrm{Zn}$

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3 years ago

CO 2 is an element. true or false

iren [92.7K]

Answer: false

Explanation:

f this helps typically an element wont have a 2 next to it, to see if something is an element or compound check for the element on the periodic table and see if the structure or name matches the one given to you on the question. for example here it is Co2 on the periodic table it's simply written as Co

co2 or carbon dioxide is a compound not an element, you can even check this on the periodic table

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2 years ago

Read 2 more answers

Please Help!!

Oksi-84 [34.3K]

Answer:

2K + Br2 --> 2KBr is the answer

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3 years ago

7. How many moles are in 5 x 10 2 atoms of gold?

goblinko [34]

Answer:

8.3028894e-22

Explanation:

5x10^2 atoms/1 x 1 mol/6.022x10^23

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3 years ago