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solong [7]
3 years ago
15

What force is required to do 60 Joules of work in sliding an object 10 meters across a level floor?

Chemistry
1 answer:
rusak2 [61]3 years ago
8 0
The forcé required si 6N
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Classify each of the following molecules as purely covalent, non-polar covalent, polar covalent,
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Cell are the blank unit of all living organisms​
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Suppose that 100 grams of water at 50.0°C is placed in contact with 200 grams of iron at 30.0°C. The final
wel

Answer:

The answer would be 1.5 kJ.

Explanation:

When you use the equation q = m x c x ∆T you will be able to find the energy gained or lost. The data for the water in this case is just there to distract you so ignore it. :D

4 0
2 years ago
What is the correct balanced equation for the following equilibrium constant expression?
weeeeeb [17]
The correct answer is 3) 2CO2(g) ⇄ 2CO(g)  + O2(g)

this is the correct one because it is a decomposition reaction and all the number of atoms is equal on both sides.

there are 2 C atoms on both sides. 

and 4 O atoms on both sides.

and 1) the atoms numbers are equal on both sides but not correct as it not a

correct number as it has 1/2 O2.


and 2) CO2(g) ⇆ CO(g) + O2 

the number of O atoms is not equal on both sides of the equation.

we have 2 O atoms on the left side and 3 O atoms on the right side.

so, this not a balanced equation.

4) also not correct 2CO(g) + O2 ⇆ 2CO2

as it is not a decomposition reaction and the 2CO & O2 are as reactants not products.

so the correct answer is 3) 2CO2(g) ⇆ 2CO(g) + O2(g)
8 0
3 years ago
Many protists are single-celled organisms. Which of the following characteristics is also common to organisms in Kingdom Protist
HACTEHA [7]

Protists belong to the group eukaryotes (having their DNA enclosed inside the nucleus). They are not plants, nimals or fungi but they act like one. They can be in general subgroups such as unicellular algae, protozoa and molds. They thrive in environments with little sunlight. The answer is letter B.

6 0
2 years ago
Read 2 more answers
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