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erica [24]
3 years ago
6

What does a subscript in a chemical formula tell you?

Chemistry
1 answer:
Usimov [2.4K]3 years ago
3 0
It tells you how much of one atom you have.
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What type of liquid is more likely to be volatile, a liquid with polar molecules or a liquid with nonpolar molecules?
Lilit [14]
Polar liquids evaporate slower than nonpolar liquids
5 0
3 years ago
Read 2 more answers
1. Matter is
Charra [1.4K]

Answer:

Matter is anything that mass and can occupy space.

Atoms are the smallest particles that takes part in a chemical reaction.

A molecule is a that can exist on its own

7 0
3 years ago
Answer the following questions for this equation: 2 H2 + O2 --> 2 H2O
laiz [17]

Answer:

                       1 Mole O₂ / 2 Mole H₂O

Explanation:

                  The balance chemical equation for the synthesis of water is as follow,

                                             2 H₂ + O₂ → 2 H₂O

In this equation the moles are specified by the coefficients i.e.

2 moles of H₂ reacting with 1 mole of O₂

2 moles of H₂ producing 2 moles of H₂O

1 mole of O₂ producing 2 moles of H₂O

Hence the molar ratio for O₂ and H₂O can be written as,

                            1 Mole O₂ : 2 Mole H₂O

or,

                           1 Mole O₂ / 2 Mole H₂O

5 0
3 years ago
PLEASE ANSWER. True or false: An inference explains an observation.
Elodia [21]

Answer:

true

Explanation:

8 0
3 years ago
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The naturally occurring radioactive decay series that begins with 23592U stops with formation of the stable 20782Pb nucleus. The
dsp73

Answer: There are 7 alpha-particle emissions and 4 beta-particle emissions involved in this series

Explanation:

Alpha Decay: In this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. The mass number is reduced by 4 units and atomic number is reduced by 2 units.

Beta Decay : It is a type of decay process, in which a proton gets converted to neutron and an electron. This is also known as -decay. In this the mass number remains same but the atomic number is increased by 1.

In radioactive decay the sum of atomic number or mass number of reactants must be equal to the sum of atomic number or mass number of products .

_{92}^{235}\textrm{U}\rightarrow _{82}^{207}\textrm{Pb}+X_2^4\alpha+Y_{-1}^0e

Thus for mass number : 235 = 207+4X

4X= 28

X = 7

Thus for atomic number : 92 = 82+2X-Y

2X- Y = 10

2(7) - Y= 10

14-10 = Y

Y= 4

_{92}^{235}\textrm{U}\rightarrow _{82}^{207}\textrm{Pb}+7_2^4\alpha+4_{-1}^0e

Thus there are 7 alpha-particle emissions and 4 beta-particle emissions involved in this series

3 0
3 years ago
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