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ira [324]
3 years ago
9

5. What are the two types of pure substances ?

Chemistry
1 answer:
Anna11 [10]3 years ago
5 0

Answer:

diamond and pure sugar.

Explanation:

brainliest?

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What type of chemical reaction is AgNO3(aq)+KCL(aq) AgCL(s)+KNO3(aq)​
emmasim [6.3K]

Answer:

double replacement reaction or double displacement reaction,

Explanation:

double replacement reaction, double displacement reaction, is a chemical process involving the exchange of bonds between two non-reacting chemical species which results in the creation of products with similar or identical bonding affiliations

Classically, these reactions result in the precipitation of one product.

in thía case it is AgCl

3 0
3 years ago
Given 0.02 of KF, how many liters of solution are needed to make a 7.2 solution?
Dmitry_Shevchenko [17]

Answer:

1/360

Explanation:

let x = liters

molarity=moles of solute/liters of solution, 7.2=0.02/x or 7.2=(1/50)(1/x), 7.2(50)=(1/x), 360(x)=1, x=1/360

7 0
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The lattice energy of a salt is related to the energy required to separate the ions. For which of the following pairs of ions is
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(A) Mg²⁺ and O²⁻

Explanation:

6 0
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An observation balloon was filled with 0.50 atmospheres of Helium, 54.0 mm Hg of Nitrogen, and 0.400 atmospheres of Hydrogen. Wh
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the pressure would be 0.9 atmospheres

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you just gotta add the presures for each of the gases that are added

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An organism that lives in or on another organism often with harmful side effects but without benefits is a parasite. 
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