How does the force of gravity change as the distance between 2 objects change?

A substance with a pH of 9 has

2. Is this chemical equation balanced? 2C4H10 (g) + 13O2 (g) = 8CO2 (g) → 10H2O (l)

A positive test charge of 5.00 e-5 c is placed in an electric field. the force on it is 0.751 n. the magnitude of the electric field at the location of the test charge is

Why is it so important to avoid pollution of freshwater ecosystems? A. Freshwater ecosystems contain more species than marine ecosystems contain. B. Freshwater ecosystems are the source of most of our drinking water. C.

Where do faults usually occur? A. Along mountain ranges B. Along tension boundaries C. Along plate boundaries D. Along mid-ocean ridges

What is the weight on earth of a girl with a mass of 38 kg?

50g of ice at 0°C is mixed with 50g of water at 80°C, what will be the final temperature of a mixture in degrees C?

If the Density of an object is 5.2 g/cm3, and its volume is 3.7 cm3, what is its mass

The direction of the magnetic field is determined by which of the following? A. energy of the current B. magnetic domain C. magnetic force D. direction of the current

A ship is traveling at 154 m/s and accelerates at a rate of 1.80 m/s^2 for 1 minute. What will its speed be after that minute? Calculate the answer in both meters per second and kilometers per hour.