A screw decreases the amount of work done.

True
False

A+b→2c when the reaction begins, the researcher records that the rate of reaction is such that 1 mole of a is consumed per minute. after making changes to the reaction, the researcher notes that 2 moles of a are consumed per minute. what change could the researcher have made to effect this change?

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Electrons are extremely important to what area of technology? a) anti-aging research b) household product development c) electronics d) drug discovery