You add 50 mL of water at 20C to 200 mL of water at 70C. What is the most likely final temperature of the mixture?

A. 60C

B. 50C

C. 30C

D. 45C

How many stars, approximately, are in the solar system?

Which of the following decreases the dissolving rate of a solid in water?

A bowling ball is rolling in a straight line toward the pins at a speed of 2.2 m/s. Its momentum is 4.75 kg*m/s. What is the mass of the bowling ball?

Ethan dives 10 meters into the Atlantic Ocean. How much pressure does he experience? a. 1 atm b. 10 atm c. 35 ppt d. 29.4 psi

Using what you know about newton's second law explain why a car with a lager mass use more fuel than a car with a smalle mass. assume both car dreive the same distance

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth