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BaLLatris [955]
3 years ago
11

Which has a higher kinetic energy an object at 20° C or an object at 50°C

Chemistry
1 answer:
Simora [160]3 years ago
5 0

Answer:

The object at 50°C will have a higher kinetic energy.

Explanation:

Temperature is a measure of the average kinetic energy of the particles in an object. As you introduce more energy into the system (e.g. heat the object), the particles on average move faster because they have more kinetic energy.

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Which property determines an atom's ability to attract electrons shared in a chemical bond?
marta [7]
The property that determines an atom;s ability to attract electrons shared in a chemical bond is electronegativity. The correct answer is C.
6 0
3 years ago
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Given the following reaction: H2SO4+2LiOH=Li2SO4+2H20, what mass of water is produced from 19 g of sulfuric acid?
goldfiish [28.3K]

Hi,

To solve the question, first of all we will find out the no. of moles of H2SO4 in  19 g of sulfuric acid.

As we know:

              No . of moles = Mass/ Molar mass

              No. of moles= 19 g/98.08 g

               No. of moles= 0.1937

Now we know the no of moles of H2SO4 that will react with 2LiOH. We also know the  molar equivalence of H2SO4 , and 2LiOH that will react.

So, the  water that will be produced will be 2H2O and 1 Li2SO4 when H2SO4 that will react with 2LiOH.

                          0.1937 x 2x 18.01

                                 =6.977

                                  =6.98

Therefore, approximately 6.98 grams of water will be produced from 19 g of sulfuric acid.


Hope it helps!


5 0
3 years ago
If one object has more mass than another then it weighs more or less than the other object?
PSYCHO15rus [73]

It would weigh more: the more mass an object has the more weight is added

6 0
3 years ago
Slope is rise/run. Into this graph (mass vs volume), what does the slope represent?
umka2103 [35]

Answer:

mass/volume

Explanation:

The slope is rise over run, or y over x.  The mass is y on this graph, and the volume is x on this graph.  The slope represents mass over volume.

8 0
3 years ago
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PLEASE ANSWERRRRRRRRR
Alex

Answer:

D

Explanation:

gravitational force: F=GmM/r^2

so this equation tells you that when mass increases force increases and when the distance increases force decreases

since the mass of the objects is the same in both cases, but distance is greater in case B than case A, case B has a smaller attractive force compared to A

6 0
3 years ago
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