All gases at the same temperature have the same kinetic energy; however, this does not necessarily mean the gas molecules move at the same speed. At 25°C, which gas will have move the slowest? Kr (molar mass=83.80 g/mol)
He (molar mass = 4.00 g/mol)
Ne (molar mass = 20.18 g/mol)
Ar (molar mass= 39.95 g/mol)​

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?

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

Compare and contrast physical changes with chemical changes.