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3 years ago

Quick electron emissions are called

Chemistry

1 answer:

vivado [14]3 years ago

5 0

Answer:

Beta decay

Quick electron emissions are called beta decay

Hope this helps

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What are the substances making up a mixture called

dimulka [17.4K]

The substance that made up of a particular mixture can be regarded as Solute and solvent

A mixture can be regarded as material which is made up of more than one different Chemical substance or substances , whereby they are not chemically combined.

Substance could be any matter such as salt, rice, and or compounds

A mixture can be regarded as physical combination involving two or more substances whereby each entities identities are retained, then mixed in the form such as ;

solutions
suspensions
colloids.

A mixture could be in this form (Solute + solvent = solution)

Therefore, the substance that made up of a particular mixture can be regarded as Solute and solvent

Learn more at: brainly.com/question/18569341

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3 years ago

What are two possible fates of stars larger than 8 sol

attashe74 [19]

Stars born larger than 8 solar masses usually retain enough mass to undergo core collapse, with the resulting shock wave producing a Type Ib supernova (spectra without Hydrogen or Silicon lines, with Helium lines), a Type Ic supernova (without Hydrogen or Helium or Silicon lines) or a Type II supernova

I hope it’s what you need

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3 years ago

Here are some data from a similar experiment, to determine the empirical formula of an oxide of tin. Calculate the empirical for

eduard

Answer:

Empirical formula of the Tin oxide sample is SnO₂

Explanation:

Tin reacts with combines with oxygen to form an oxide of tin.

Mass of crucible with cover = 19.66 g

Mass of crucible, cover, and tin sample = 22.29 g

Mass of crucible and cover and sample, after prolonged heating gives constant weight = 21.76 g

Mass of Tin oxide sample = 22.29 - 19.66 = 2.63 g

Mass of ordinary tin, after heating to breakdown the tin and oxygen = 21.76 - 19.66 = 2.1 g

Meaning that, mass of oxygen in the tin oxide sample = 2.63 - 2.1 = 0.53 g

Mass of Tin in the Tin Oxide sample = 2.1 g

Mass of Oxygen in the Tin oxide sample = 0.53 g

Convert these to number of moles

Number of moles of Tin on the Tin oxide sample = 2.1/118.71 = 0.0177

Number of moles of Oxygen in the Tin oxide sample = 0.53/16 = 0.0335

divide the number of moles by the lowest number

0.0177:0.0335

It becomes,

1:2

SnO₂

Hence, the empirical formula for the Tin oxide sample = SnO₂

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3 years ago

Which ionic compounds are not likely to dissolve in water?(More than 1 answer.)

olasank [31]

The answer is caso4 and ca(C2H3O2)2

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3 years ago

The mass number of an isotope of uranium is 238, and its atomic number is 92. Which symbol best represents this isotope of urani

laila [671]

$238_{U}$

That is a capital U with the number 238 at upper left of the letter

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3 years ago

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