In what way did alchemists contribute to the development of modern chemistry? (Points : 3)
explained changes to matter in mystical, philosophical, or religious terms
created models of the internal structure of atoms
used experiments to analyze the relationship between gas pressure and volume
developed practical equipment, new procedures, and methods of identifying unknown substances @Trexy

Answers

Answer 1

Final answer:

Alchemists contributed to the development of modern chemistry by explaining changes to matter, developing practical equipment, and analyzing the relationship between gas pressure and volume.

Explanation:

Alchemists contributed to the development of modern chemistry in several ways:

Explained changes to matter in mystical, philosophical, or religious terms, which laid the foundation for later scientific investigation.Developed practical equipment, new procedures, and methods of identifying unknown substances, which improved the accuracy and efficiency of chemical experiments.Used experiments to analyze the relationship between gas pressure and volume, which led to the formulation of gas laws and a better understanding of the behavior of gases.

Related Questions

How many electrons does ga lose to achive noble gas arrangement?

Answers

Gallium has 31 electrons (₃₁Ga 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p¹) and if loses 13 electrons, gallium would have configuration of noble gas argon with 18 electrons (₁₈Ar 1s² 2s² 2p⁶ 3s² 3p⁶), but that is not possible, so gallium only loses three electrons and has electron configuration:
₃₁Ga³⁺ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰.

6.02 x 1022 molecules of HCl (molecular weight = 36.5 g/mole) in 2.0 liters of water

Answers

moles HCl = 6.02 x 10^22 / 6.02 x 10^23 = 0.100
M = 0.100 / 2.00 L=0.0500

6.02 x 1022 molecules of HCl (molecular weight = 36.5 g/mole) in 2.0 liters of water. Therefore, M = 0.05

What is mole?

The SI unit for measuring the quantity of any substance would be the mole, abbreviated as mol.

Given data:

Number of molecule = 6.02 x [tex]10^{22}[/tex] molecules

Molecular weight = 36.5 g/mole

Moles = 6.02 x [tex]10^{22}[/tex] / 6.02 x [tex]10^{23}[/tex] = 0.1mol

Hence, M = 0.1 /2 = 0.05

Therefore, M = 0.05

To know more about mole

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Would precipitation occur when 500 mL of a 0.02M solution of \(AgNO_3\) is mixed with 500 mL of a 0.001M solution of NaCl? Show your work.,

Answers

The balanced chemical reaction is
NaCl + AgNO3 --> AgCl + NaNO3
To find out if precipitation will occur, we need to calculate the number of
moles acting in the chemical reaction
But Molarity, M=nV, where n is the number of moles and V is the volume in
litres. So n = M/V
number of moles of AgNo3 = 0.02/500 * 10^(-3)
n= 0.04
While n of Sodium chloride = 0.01/0.5 = 0.2. Since there is excess sodium chloride ( twice as much) precipitation will not occur. 2NaCl + 2AgNO3 -->
2AgCl + 2NaNO3. The reaction requires one and not two moles of AgNo3 as evident from the number of moles which is 0.04

which part of modern atomic theory was first developed by John Dalton?
A) Electrons are found in a cloud around the nucleus
B) Atoms are rearranged during chemical reactions
C) Atoms cannot be divided
D) Electrons are spread through an atom

Answers

c. one of the discoveries he made which gave him his fame in the scientific community was that the atom could not be destroyed

Final answer:

Dalton's Atomic Theory initially proposed that atoms cannot be divided, but further advancements in modern atomic theory revealed the existence of subatomic particles. J. J. Thomson's discovery of electrons reshaped the understanding of atomic structure.

Explanation:

Dalton's Atomic Theory first stated the concept that atoms cannot be divided. However, we now know that atoms are composed of subatomic particles - protons, neutrons, and electrons - leading to the discovery that atoms are divisible.

Contrary to Dalton's belief, atoms are not indivisible as he proposed. Subsequent experiments led to the identification of these subatomic particles, marking a significant advancement in modern atomic theory.

J. J. Thomson discovered electrons through his research on cathode rays, contributing to the understanding that atoms are composed of smaller elements beyond what Dalton originally theorized.

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