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sp2606 [1]
3 years ago
13

What is the volume of a 5M solution with that has 16.5 moles?

Chemistry
1 answer:
kenny6666 [7]3 years ago
7 0
Molarity can be used to calculate the volume of solvent or the amount of solute. The relationship between two solutions with the same amount of moles of solute can be represented by the formula c1V1 = c2V2, where c is concentration and V is volume.
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What propertys does the rock state-of -matter have that wont let Logan poke his finger through it?
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A rock is a solid, so Logan can't poke his finger through it.
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Which of the following represents the greatest number of atoms?
forsale [732]
The correct option is B. To get the number of atom for each compound, each element in the compound will be counted as an atom. For instance, for Fe[ClO4]2, there are 1 atom of Fe, 2 atoms of Cl, and 8 atoms of O, making a total of 11 atoms [1 + 2 + 8= 11]. The other options have less than 11 atoms. 
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3 years ago
Assinale a alternativa incorreta. *
MakcuM [25]

Answer:

<u>The incorrect choice is the last one:</u>

  • <em>In the Leucipo and Democritus atomic model, electrons had negative charges.</em>

Explanation:

The translation of the question is:

Choose the incorrect statement. *

  • Matter is everything that has mass and occupies volume.

  • Mass and weight are different quantities. Mass is a measure of how much matter an object has, and weight is a measure of the gravitational pull force suffered by the object.

  • Dalton's atomic model has similarities to the atomic model described by Leucipo and Democritus.

  • Dalton thought that atoms of the same element could not combine, as they developed mutual repulsion.

  • In the Leucipo and Democritus atomic model, electrons had negative charges.

<h2>Solution</h2>

The <em>last statement is false</em> because Leucipo and Democritus thought that the atom was an indivisible particle. This is, they did not think there were subatomic particles, such as electrons. Furthermore, the idea of a particle with a negative charge was developed much time (centuries) later.

As for the other statements:

  • <em>Matter is everything that has mass and occupies volume</em>: this is the current definition of matter; for instance, wood, air, atoms, have mass and occupy volume. Thougths, feelings do not have either mass or occupy a volume, they are not matter.

  • <em>Mass and weight are different quantities</em>. <em>Mass is a measure of how much matter an object has, and weight is a measure of the gravitational pull force suffered by the object</em>. Indeed, the mass is determined by the number of atoms of the substance, but weight is the force of attraction from Earth (or other planet, if the object is in other planet). Mass does not change with the location; weight does.

  • <em>Dalton's atomic model has similarities to the atomic model described by Leucipo and Democritus</em>: sure. This is a hystorical question. Leucippus and Democritus were two Greek phylosophers who believed that the matter was formed by tiny solid particles, the atom.

  • <em>Dalton thought that atoms of the same element could not combine, as they developed mutual repulsion</em>. In the times of Dalton, when he developed the law of multiple proportions, atoms of a same kind were thought to repel each other.
3 0
3 years ago
please help me please
Musya8 [376]

Answer:

Two advantages are: Its cheap and it is a renewable energy source. Two disadvantages are it's not windy everyday and it will take up a lot of space for windmills.

Explanation:

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