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riadik2000 [5.3K]
3 years ago
12

Describe two or three ways in which the measurements you made could lead to errors in the results. Explain how each error would

affect the answer of molar mass. In other words, would the molar mass go up or down and why
Chemistry
1 answer:
mezya [45]3 years ago
3 0

Answer:Physical and chemical laboratory experiments include three primary sources of error: systematic error, random error and human error

Explanation:

When examining the root mean square speed equation, we can see that the changes in temperature (T) and molar mass (M) affect the speed of the gas molecules. The speed of the molecules in a gas is proportional to the temperature and is inversely proportional to molar mass of the gas.

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What is the formula mass of copper (ii) sulfate to the hundredth amu?
damaskus [11]
<span>Copper II Sulfate- Cu 2+ and a sulfate SO4 2- add together nicely to make CuSO4. </span>
8 0
4 years ago
Hi! I could use some help, I need to turn this in today
TiliK225 [7]

Explanation:

The nomenclature of ionic compounds is given by:

1. Positive is written first.  And if the metal atom has various oxidation states then its oxidation state is to be mentioned in brackets with help of roman numbers

2. The negative ion is written next and a suffix is added at the end of the negative ion. The suffix written is '-ide'.

1.)  : Calcium chloride  (Correct)

In the given compound, calcium has oxidation state of +2 and chlorine has oxidation state of -1.The name is correct.

2.)  : Copper (II) oxide   (Incorrect)

In the given compound,copper has the oxidation state of +1 and oxygen has oxidation state of -2.So ,the correct name will be Copper (I) oxide.

3.)  : Lead (II) sulfide   (Incorrect)

In the given compound, lead has the oxidation state of +4 and sulfur has oxidation state of -2. So ,the correct name will be Lead (IV) sulfide.

3 0
3 years ago
I really need help with this, someone help me please.
Pepsi [2]
Its C. It has to be equivalent to the number divided or multiplied by 5.
6 0
3 years ago
Which defines the average kinetic energy of a system’s particles? density pressure temperature volume
Igoryamba

Answer:

Temperature

Explanation:

The kinetic energy is proportional to the temperature. That is, temperature is a measure of the kinetic energy of atoms and molecules that are part of a system.

This can be explained by kinetic theory.

4 0
3 years ago
Read 2 more answers
Can someone please help me out with my homework. I don't understand this at all and it's due tomorrow 1st period. Thx
IrinaVladis [17]
2.

move constantly

3.
solid - definite shape and volume

liquid - only definite volume

gas - none.

4.

The particles of gases have large interparticular space between them and they move constantly and sometimes these particles move away leading to change in volume but in case of solids the particles are packed tightly with low interparticular spaces and high interparticular force.

5.

shown in image above.

6 0
3 years ago
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