In an open system, the vapor pressure is equal to the outside air pressure. true false

A bicycle and a train are taveling at the same speed, who has the most kinetic energy?

The oven draws 1100 W of power, and you have determined that it heats with an efficiency of 51%. Using this information, determine the time t it would take to bring 240 mL of water from 25°C to 100°C. Note that 4.

What is the organ (s) that detect taste

An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process 346 J of work was done by the system (which was stationary), and its internal energy increased by 7765 J. What is the specific heat capacity of the gas?

How many neutrons does element X have if its atomic number is 23 and its mass number is 90?

An empty train car of mass 2.0 x 104kg coasts along at 10 m/s. A 3000-kg boulder is suddenly dropped vertically into the car. Find the speed of the car immediately after the boulder is dropped in.

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance? luster hardness density viscosity

How is current transferred from the moving armature to the rest of the circuit in an alternating current generator?

There are two types of waves, mechanical and electromagnetic. Microwaves, infrared, and radio was are examples of electromagnetic waves. Which statement is true about the speed of an electromagnetic wave? A) It is not affected by changes in media.

Which of the following changes occurs naturally in a system over time?