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-Dominant- [34]
3 years ago
10

What is matter and how does it work

Chemistry
2 answers:
ELEN [110]3 years ago
8 0

matter is what occupies space and possesses rest mass.

zhuklara [117]3 years ago
6 0
Matter is anything that occupies space and has mass.
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The half life of a certain radioactive element is 1,250 years what percent of the atoms remain after 7500 years
andrezito [222]
Each half-life results in ~50% (1/2) of the original element remaining.

7500/1250 = 6 half-lives, so 100(1/2)^6
= 100(0.015625)
= 1.5625% of the original element would remain
7 0
3 years ago
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What is the molarity of a solution made by dissolving 20.0 g of H3PO4 in 50.0 mL of solution
Rom4ik [11]
(20*1000)÷(molecular weight of H3po4*50)

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3 years ago
The molar solubility of cui is 2. 26 × 10-6 m in pure water. Calculate the ksp for cui.
nataly862011 [7]

Ksp(the solubility product constant) = [Cu⁺] [I⁻]

So, the Ksp for Cui would be:

Ksp = (2.26 × 10⁻⁶) (2.26 × 10⁻⁶) = 5.11 x 10⁻¹²

<h3 />

Formula used:

K = K_{sp} = [A^+]^a [B^-]^b, where

Ksp = solubility product constant

A⁺    = cation in an aquious solution

B⁻ = anion in an aqueous solution

a, b = relative concentrations of a and b

<h3><u>Definition</u></h3>

The equilibrium constant for a solid material dissolving in an aqueous solution is the SOLUBILITY PRODUCT CONSTANT, Ksp. It stands for the degree of solute dissolution in solution. A substance's Ksp value increases with how soluble it is.

Take into account the general dissolving response (in aqueous solutions) below:

                           aA(s)⇔cC(aq)+dD(aq)

The molarities or concentrations of the products (cC and dD) must be multiplied in order to find the Ksp. Any product that has a coefficient in front of it must be raised to the power of that coefficient (and also multiply the concentration by that coefficient).

Learn more about the concept of Ksp through the link:

brainly.com/question/1419865

#SPJ4

7 0
1 year ago
What can scientists learn from radiometric dating?
faltersainse [42]

Answer:

B- how much time it took a fossil to form

Explanation:

To determine the ages in years of Earth materials and the timing of geologic events such as exhumation and subduction, geologists utilize the process of radiometric decay.

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2 years ago
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When concentrated nitric acid mixed with some concentrated sulfuric acid reacts with benzene at moderate temperature forms------
FrozenT [24]
I will help just send me it
5 0
3 years ago
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