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Gemiola [76]
3 years ago
14

Which science tool colud be used to reflect light

Chemistry
1 answer:
kvasek [131]3 years ago
5 0
A mirror reflects light
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How is the periodic table used to predict the properties of an element?
Novosadov [1.4K]
There are many ways to predict the properties of an element here's one example.As you move from left to right the electron affinity and ionization  energy both increase .Since elements of the same family have similar characteristic,you can often  predict the properties of another element in its family
3 0
4 years ago
32.7 grams of water vapor takes up how many liters at standard temperature and pressure (273 K and 100 kPa)?
kotegsom [21]
Under standard temperature and pressure conditions, it is known that 1 mole of a gas occupies 22.4 liters.

From the periodic table:
molar mass of oxygen = 16 gm
molar mass of hydrogen = 1 gm
Thus, the molar mass of water vapor = 2(1) + 16 = 18 gm

18 gm of water occupies 22.4 liters, therefore:
volume occupied by 32.7 gm = (32.7 x 22.4) / 18 = 40.6933 liters

5 0
3 years ago
2,6 -dimetil nonano<br> 4 etil-2,2dimetil-4-propo:0ctano
Svetllana [295]

Answer:

it will be 26 %t _4

Explanation:

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7 0
3 years ago
Which of the following correctly represents the transmutation in which a curium-242 nucleus is bombarded with an alpha particle
Alekssandra [29.7K]

<u>Answer:</u> The chemical equation is written below.

<u>Explanation:</u>

Transmutation is defined as the process in which one chemical isotope gets converted to another chemical isotope. The number of protons or neutrons in the isotope gets changed.

The chemical equation for the reaction of curium-242 nucleus with alpha particle (helium nucleus) follows:

_{96}^{242}\textrm{Cm}+_4^2\textrm{He}\rightarrow _{98}^{245}\textrm{Cf}+_0^1\textrm{n}

The product formed in the nuclear reaction are californium-245 nucleus and a neutron particle.

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4 years ago
In which type of reaction can two compounds exchange ions to form two different compounds? synthesis decomposition single replac
kap26 [50]
Double replacement reaction
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