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ikadub [295]
3 years ago
9

A prehistoric pharmacist might have been called a

Chemistry
1 answer:
Shkiper50 [21]3 years ago
5 0
A. Shaman

Shaman were revered as people with the ability to communicate with good and evil spirits and heal ailments.
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What is the electron structure of an oxygen atom?
Drupady [299]

Answer:1s2 2s22p4

Explanation:

8 0
3 years ago
Determine if the results of the following word problem adhere to the Law of Conservation of Mass. 1. A chemist combines 4.9 g of
KiRa [710]

Answer: The results agree with the law of conservation of mass

Explanation:

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction. On the reactant side, the total mass of reactants is 14.3g and the total product masses is also 14.3g. That implies that no mass was !most in the reaction. The sum of masses on the left hand side corresponds with sum of masses on the right hand side of the reaction equation.

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3 years ago
The pH of a certain brand of soap is 9.5. Which sentence best describes soap?
Svetradugi [14.3K]
Hi,
The answer should be ‘soap is a base because it’s pH is above 7’
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3 years ago
Read 2 more answers
How many moles are in 635 grams of LiOH?
Dafna11 [192]

Answer:

the answer is 0.041756547635452 we assume you are coverting between moles LiOH and gram

Explanation:

you can view details on each measurements units:monecular weight of LiOH or grams this compound is also known as lithium hydroxide the si base unit for amount of substance is the moles1 moles qual1 moles LiOH..... Sana makatulong sayo lods ang answer ko

5 0
3 years ago
Match each of the substances with the expected pH of the resulting solution when they are added to neutral water. Determine if a
Tamiku [17]
To determine the expected pH of the resulting solution of the following substances, create a balanced chemical equation of their ionization in water:

HI

HI + H2O ---> H+ + I-

It completely dissociates into H+ and I-. Due to the presence of the Hydronium Ion, the solution is acidic. 

KBr

KBr + H2O ----> HBr + KOH

The salt KBr is formed by a strong base and a weak acid, therefore, the solution it forms with water is basic. 

LiOH

LiOH + H2O ----> Li+ + OH-

It dissociates completely in water, turns into Li+ and OH-. Due to the presence of Hydroxide Ion, the solution becomes basic. 
3 0
3 years ago
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