Whar are gravitational force as on earth

Question

Discuss the below:

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

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 25.5ºC to 95.6ºC. Assume that the coffee has a specific heat of 4.187 ?

4. Which of the following reactions is not correctly balanced?

a. 4Fe + 3O₂ → 2Fe2O₃

b. C₃H₈ + 10O₂ → 3CO₂ + 4H₂O

c. N₂ + 3H₂ → 2NH₃

d. 2H₂O → 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.