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stiks02 [169]
2 years ago
15

List the following objects in order from lowest inertia to highest inertia

Chemistry
2 answers:
m_a_m_a [10]2 years ago
5 0
I don’t see nun tho where’s the objects
kumpel [21]2 years ago
5 0

Earth, desk,baseball, fork, house, feather, tow truck, cow, sun

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Is Li has 7 valence electrons
jeka94
This is false. The amount of electrons in lithium (Li) is not 7, it is 3. There are 3 electrons in lithium.
3 0
3 years ago
Read 2 more answers
Instead of using ratios for back titrations we can also use molarities, if our solutions are standardized. A 0.196 g sample of a
kvv77 [185]

Answer:

The mass percent of Al(OH)₃ is 15.3%

Explanation:

The reaction is:

Al(OH)₃ + 3HCl = AlCl₃ + 3H₂O

The excess acid is neutralized with a solution of sodium hidroxide, in the reaction:

NaOH + HCl = NaCl + H₂O

The total moles of HCl is:

n_{HCl,total} =M_{HCl} *V_{HCl} =0.111*0.025=2.78x10^{-3} moles

From the second titration, the moles of excess of HCl is:

n_{HCl,excess} =n_{NaOH} =M_{NaOH} *V_{NaOH} =0.132*0.01105=1.46x10^{-3} moles

The difference between the total and excess of HCl, it can be know the moles that reacts with the aluminum hydroxide, is:

n_{HCl,reacts} =n_{HCl,total}-n_{HCl,excess} =2.78x10^{-3} moles-1.46x10^{-3} moles=1.32x10^{-3} moles

The ratio between HCl and Al(OH)₃ is 3:1. The MW for aluminum hydroxide is 78 g/mol, thus:

m_{Al(OH)3} =1.32x10^{-3} molesHCl*\frac{1molAl(OH)3}{3molesHCl} *\frac{78gAl(OH)3}{1molAl(OH)3} =0.03g

The percentage of Al(OH)₃ is:

Percentage-Al(OH)3=\frac{m_{Al(OH)3} }{m_{antiacid} } *100=\frac{0.03}{0.196} =15.3%

3 0
3 years ago
What is an internal cost of driving a domestic car?
Nataly_w [17]

Answer:

The correct option is: Cost of materials used in manufacture

Explanation:

There are two types of costs of an object: the internal costs and the external costs.

The internal cost of an object is the direct monetized cost. It refers to the cost involved in the <u>production or manufacturing of a given objec</u>t. Example: labor, <u>material required</u>, equipment, energy, and overhead expenses.

3 0
2 years ago
Sulfur is a nonmetalic mineral that has a density of 2 g/cm3. The volume of a sample of sulfur was measured to be 5.0 cm3. what
taurus [48]

Answer:

<h2>10 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question we have

mass = 2 × 5

We have the final answer as

<h3>10 g</h3>

Hope this helps you

8 0
3 years ago
How many moles of Mgs203 are in 245g of the compound
marishachu [46]
Molecular weight of MgSO3 = 104.3682 g/mol
181 g / 104.3682 g/mol
= 1.73 g
7 0
3 years ago
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