Long-term PPI use increases risk of:

A 1.20 g sample of food is burned in a bomb calorimeter containing 1000 g of water.The temperature of water rises from 20.0°C to 23.5°C. Calculate:(a) Heat absorbed by water(b) Energy content of the food in kJ g⁻¹

A state Function is best described as:

You should recognize where we are in the body. What specific region of your body is the redish/brownish colored area in picture 1?[answer1] The arrowhead (with the blue question mark) is pointing at a ridge within this organ. What do we call these “ridges” ?[answer2] Picture 1: Picture 2:

  An object moves according to the velocity – time graph above. What is the distance the object travels from 0 to 6 seconds.

A mass is attached to a vertical spring and bobs up and down between points A and B.  Where is the mass located when its kinetic energy is a maximum? (A)      midway between A and B (B)      at either A or B (C)      one-fourth of the way between A and B (D)      none of the above     

A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. Assuming the entire lower surface of the bed is in contact with the floor, what is the pressure the bed exerts on the floor?

The figure shows a graph of the position x of two cars, C and D, as a function of time t. According to this graph, which statements about these cars must be true? 

Simultaneously from a 10 m platform a ball is thrown horizontally at 5 m/s and a bullet is fired horizontally at 500 m/s. Compare the vertical displacements of the ball and the bullet at the end of 1 s,

How does a liquid differ from a gas?