A vacuum cleaner has an energy input of 6.5 kWh and an energy output of 5.8 kWh. The efficiency of the vacuum cleaner, to the nearest percentage, is

Explain what causes a change of state. Be sure to include what is happening with the molecules.

A 0.468 g sample of pentane, C5H12, was burned in a bomb calorimeter. The temperature of the calorimeter and 1.00 kg of water in it rose from 20.45 °C to 23.65 °C. The heat capacity of the calorimeter by itself is 2.

What is the most effective means of establishing awareness of hazards in commercial, industrial, and storage facilities with large fuel loads? Select one: a. Accessing code enforcement databases b. Studying plat maps and building plans c.

What kind of energy can be transferred? energy

Describe how a change in resistance would affect the current in a circuit

Can the total amount of energy in a system transfer between potential and kinetic?

What are the basic units of mass?

Which stage of the cells cycle involves the division of the cells nucleus? A. mitosis B. cytokinesis C. interphase D. replication

What is clean Cole technology

Blank is how high or low you think a sound is