If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 222J of energy to the room?

Joules

What are the first three steps of scientific inquiry

What is the following product? Assume x≤0 and y≤0 √5x^8y^2 * √10x^3 * √12y 3x^5y√3xy 10x^5y√6xy 3x^3y√3x^2y^2 10x^3y√6x^2y^2

Megan is waiting for the school bus. She sees it driving down the street straight toward her position. If the bus is moving at a constant speed, which graph shows the position of the bus relative to Megan through time?

The heating curve of an ice-water mixture that is slowly heated to 125? C contains three sloped and two level portions. What do the two level portions in the graph represent? A) heating B) deposition C) sublimation D) phase changes

A child sleds down a frictionless hill with vertical drop h. At the bottom is a level stretch where the coefficient of friction is 0.27. If she slides 19 m across the level stretch, what's h? Express your answer with the appropriate units.

List two instances in life in which you could benefit from using a GPS unit

Technician A states that a speed density system means that the PCM uses MAP, TP, and engine crankshaft speed to calculate the amount of air flowing into the engine.

The law of what energy states that energy cannot be created or destroyed

Which is greater - the average depth of the ocean, or the average elevation of the continents?

When a neutrally charged atom loses an electron to another atom, the result is the creation of