How is a chemical property different from a chemical change

If you are traveling at 75 km/h how long will it take to travel 32 km?

A 4.1 g bullet is fired horizontally at a block of mass 0.90 kg resting on a frictionless tabletop. The bullet becomes embedded in the block and a speed of 4.0 m/s is imparted to the block.

It takes 11.2 kJ of energy to raise the temperature of 145 g of benzene from 23.0°C to 68.0°C. What is the specific heat of benzene?

A heavy rocket ship and a light rocket ship are both initially moving at 1000 kilometers per hour in outer space. They are very far from any planets so there are no gravitational forces acting on the rockets.

A/an ___ is a machine which tells us about the strength and speed of sisemec waves. Seismogram Seismograph Moho Aurora

Select all of the answers that apply. Which statements are true regarding the scientific evidence supporting the big bang theory? Researchers found cosmic microwave background radiation, which is a heat imprint left over from the big bang.

How are magnetic poles and electrical charges similar? A. Their same forces repel each other, and their opposite forces attract each other. B. Their same forces attract each other, and their opposite forces repel each other. C.

As part of his meal, a workman has a cup containing a hot drink. In order to keep the drink hot whilst he eats the rest of his meal, he covers the cup, as shown in the figure. Which sources of energy loss does this action reduce? Tick two boxes.

When energy is transformed, the amount of usable energy?

If an object weighs 39.2 n on earth, what is its mass