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OLga [1]
3 years ago
6

If a hypothesis is tested repeatedly and is not proven false it may next become a -

Chemistry
1 answer:
kotegsom [21]3 years ago
3 0
Theory. It might be disproved in the future, so it can not be a law until it solid as a rock. Brainliest the answer and I will explain more.
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Given the reaction below, if 0.00345 g of carbon dioxide is used up, how many grams of water will be produced?
zimovet [89]

From the  stoichiometry of the reaction, 1.4 * 10^-3 g is produced.

<h3>What mass of water is produced?</h3>

The equation of the reaction is written as; CO2 + 2LiOH → Li2CO3 + H2O. This can help us to apply the principle of stoichiometry here.

Thus;

Number of moles of CO2 = 0.00345 g/44 g/mol = 7.8 * 10^-5 moles

If 1 mole of CO2 produced 1 mole of water

7.8 * 10^-5 moles of CO2 produced  7.8 * 10^-5 moles of water

Mass of water produced =  7.8 * 10^-5 moles * 18 g/mol = 1.4 * 10^-3 g

Learn ore about stoichiometry:brainly.com/question/9743981

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3 0
2 years ago
An area experiences lack of moisture and precipitation. It also experiences high temperature and winds. Which severe weather eve
ddd [48]

Answer:

Drought

Explanation:

It would get really dry because no moisture and the lakes would dry up bc of lack of water

6 0
3 years ago
The electron configuration filling patterns of some elements in group 6b(6) and group 1b(11) reflect the ______ of half-filled a
Fudgin [204]

The electron configuration filling patterns of some elements in group 6b(6) and group 1b(11) reflect the increasing stability of half-filled and completely filled sublevels.

<h2>What is electronic configuration?</h2>

The distribution of electrons in an element's atomic orbitals is described by the element's electron configuration. Atomic subshells that contain electrons are placed in a series, and the number of electrons that each one of them holds is indicated in superscript for all atomic electron configurations. For instance, sodium's electron configuration is 1s22s22p63s1.

Almost all of the elements write their electronic configurations in the same style. When the energies of two subshells differ, an electron from the lower energy subshell occasionally goes to the higher energy subshell.

This is due to two factors:

Symmetrical distribution: As is well known, stability is a result of symmetry. Because of the symmetrical distribution of electrons, orbitals where the sub-shell is exactly half-full or totally filled are more stable.

Energy exchange: The electrons in degenerate orbitals have a parallel spin and are prone to shifting positions. The energy released during this process is simply referred to as exchange energy. The greatest number of exchanges occurs when the orbitals are half- or fully-filled. Its stability is therefore at its highest.

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brainly.com/question/26084288

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8 0
2 years ago
The pressure in a certain tire is 109 kPa, what is the pressure of the air in the tire in<br> psi?
maxonik [38]

Answer:

pressure ranges between 30 and 35 PSI

Explanation:

6 0
3 years ago
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Crossing a Dd parent with another Dd parent results in
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C).dd offspring have a nice day
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