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ratelena [41]
3 years ago
11

Explain how density differs from volume

Chemistry
1 answer:
oee [108]3 years ago
4 0
Volume is the amount of space the matter takes up, density is mass OF the volume

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What is the number of moles of potassium chloride present in 148 g of kcl?
OLga [1]
The number of moles of one substance given the amount in mass can be calculated by the use of the molar mass. This is the mass of a compound per 1 mol of the said substance. For, KCl the molar mass is 74.55 g/ mol

148 g / 74.55 g/mol = 2 mol KCl

Hope this answers the question. have a nice day.
3 0
2 years ago
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If one-trillionth of the atoms of a radioactive isotope disintegrate each day, what is the decay constant of the process?
Paul [167]

Decay constant of the process 1×10^(-12) day^(-1).

<h3>What is decay constant?</h3>

A radioactive nuclide's probability of decay per unit time is known as its decay constant, which is expressed in units of s1 or a1. As a result, as shown by the equation dP/P dt =, the number of parent nuclides P declines with time t. Nuclear forces are about 1,000,000 times more powerful than electrical and molecular forces in their ability to bind protons and neutrons. The strength of the bonds holding the radioactive element are likewise indifferent to the decay probabilities and's, in addition to being unaffected by temperature and pressure. The decay constant is related to the nuclide's T 1/2 half-life by T 1/2 = ln 2/.

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brainly.com/question/16623902

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3 0
2 years ago
What are the steps used to write ionic formulas for ionic compounds
lorasvet [3.4K]
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periodical table and write caculatoin numbers
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Nuclear fission reactions can produce different radioisotopes. One of these radioisotopes
hichkok12 [17]
Based on the information provided,

The evidence that this nuclear reaction reaction represent transmutation is it formed different elements

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7 0
3 years ago
What happens to the particles in a substance when<br> heat is removed from a liquid?
Minchanka [31]

Answer:When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. ... They contract when they lose their heat.

Explanation:Google

5 0
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