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Tju [1.3M]
3 years ago
9

I Need help ASAP!!!

Chemistry
1 answer:
AlexFokin [52]3 years ago
4 0

Answer:

B. Temperature

Explanation:

A thermometer is a device used to measure temperature. Temperature is the average kinetic energy of a material's molecules or its average thermal energy. Heat is transferred to the thermometer, causing changes in its physical properties.

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Rank the following in order of increasingly positive hydrogen charge: a) HClO2, HCl, CH4, H2O, HClO
Lisa [10]

Answer:

CH4<HClO2<HClO<H2O<HCl

Explanation:

In ranking the compounds on the basis of increasing positive charge of hydrogen, we must consider the relative oxidation numbers of the various elements in the compounds.

Methane contains a nonpolar covalent bond, HClO2 contains a chlorine atom in +3 oxidation state, HClO contains a chlorine atom in +1 oxidation state. The more the positive charge on the halogen atom the lesser the magnitude of positive charge on the hydrogen atom. Between water and HCl, chlorine is more electro negative hence HCl will contain a more positively charged hydrogen atom than water.

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3 years ago
Explain what is water of crystallization​
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Explanation:

In chemistry, water(s) of crystallization or water(s) of hydration are water molecules that are present inside [crystal]s. Water is often incorporated in the formation of crystals from aqueous solutions. ... Water of crystallization can generally be removed by heating a sample but the crystalline properties are often lost

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3 years ago
A clone is genetically identical to a single parent cell. Scientists have experimented with cloning and have only recently been
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Answer:

d

Explanation:

if it is completely identical to the parent cell it was produced by d's choice

hope this helps

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2 years ago
What is the total number of valence electrons in ethyl acetate?
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Answer: There are 36 valence electrons.

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What is the trend for atomic radii across the periods and down the group?
jok3333 [9.3K]

Answer:

So, in general, atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant.

Explanation:

Moving from left to right across a period, the atomic radius decreases. The nucleus of the atom gains protons moving from left to right, increasing the positive charge of the nucleus and increasing the attractive force of the nucleus upon the electrons.

Have a happy day! <3Miss Hawaii

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