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# Basic Physics of Mass, Heat, Balance Equations, Waves and pH

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1. If an object has a mass of 1.0 Kg, what is it's weight on Jupiter with 2.5 times the gravitational force as on earth?

2. What net force is necessary to accelerate a 1000-Kg space probe 8m/s2?

3. How much heat that must be added to raise the temperature of a cup of coffee (250g) from 25.5ÂºC to 95.6ÂºC. Assume that the coffee has a specific heat of 4.187 ?

4. Which of the following reactions is not correctly balanced?
a. 4Fe + 3O2 â†’ 2Fe2O3
b. C3H8 + 10O2 â†’ 3CO2 + 4H2O
c. N2 + 3H2 â†’ 2NH3
d. 2H2O â†’ 2H2 + O2

5. How long would it take for a radio wave to travel 8.00 x 1010 m?

6. A pH 2 solution has _____ times the concentration of hydroxide as a pH 6 solution.

https://brainmass.com/physics/computational-physics/basic-physics-mass-heat-balance-equations-waves-ph-567347

#### Solution Preview

1. If an object has a mass of 1.0 Kg, what is its weight on Jupiter with 2.5 times the gravitational force as on earth?
Solution:

2. What net force is necessary to accelerate a 1000-Kg space probe 8m/s2?
Solution:

3. How much heat must be ...

#### Solution Summary

The solution provides explanations to the basic physics questions. Reactions not correctly balanced are determined.

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