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Dimas [21]
3 years ago
6

William adds two values, following the rules for using significant figures in computations. He should write the sum of these two

numbers by using?
Chemistry
1 answer:
Nikolay [14]3 years ago
6 0
In the sum of numbers the results can not have more decimal places that the number with less decimal places.

Example

123.4 + 45 = 168
123.4567 + 45 = 168
123.4500 + 45 = 168
123.4567 + 45.0 = 168.4
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Consider the following reversible reaction.
Marina86 [1]

Answer:

B is the correct option

Explanation:

K= the ratio of product of concentration of products to the product of concentration of reactants raised to power equal to their cofficients.

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3 years ago
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Diffusion is a general term referring to the net movement of atoms and molecules along a concentration gradient, from an area of
aniked [119]

Answer:

Higher concentration to an area of lower concentration

Explanation:

When you open a perfume bottle at a corner of a room, after a while, its fragrance can be perceived across a distance at the other end of the room. This is because, molecules of the compound in the fragrance have moved from the area of higher concentration in the perfume bottle, across a concentration gradient to a region of lower concentration at the other end of the room. This is diffusion.

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3 years ago
g n the Ideal Gas Law lab, how is the temperature of the hydrogen gas determined? Select one: The pressure of the gas is determi
Charra [1.4K]

Answer:

The volume of the gas is determined, which will allow you to calculate the temperature.

Explanation:

According to Charles law; the volume of a given mass of an ideal gas is directly proportional to its temperature at constant pressure.

This implies that, when the volume of an ideal gas is measured at constant pressure, the temperature of the ideal gas can be calculated from it according to Charles law.

Hence in the Ideal Gas Law lab, the temperature of an ideal gas is measured by determining the volume of the ideal gas.

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3 years ago
Who were the scientists who won the nobel prize for the atomic model?
AleksAgata [21]

Answer:

Here's what I find.  

Explanation:

Many scientists contributed to our model of the atom.

Among those who received the Nobel Prize for their work are:

1906 — J.J. Thomson        — discovery of the electron

1908 — Ernest Rutherford — nuclear model of the atom

1922 — Niels Bohr             — planetary model of the atom

1922 — Albert Einstein      — quantum mechanical model of the atom

1935 — James Chadwick  — discovery of the neutron

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tankabanditka [31]

Answer: In metallic bonds, the valence electrons from the s and p orbitals of the interacting metal atoms delocalize. That is to say, instead of orbiting their respective metal atoms, they form a “sea” of electrons that surrounds the positively charged atomic nuclei of the interacting metal ions. Metals are shiny.

Explanation: Hope this helped!

4 0
3 years ago
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