Which is a property of every homogeneous mixture?
each part of the mixture has the same appearance.
the mixture is made up of a solid dissolved in a liquid.
the characteristics of the mixture change within a single sample.
the components of the mixture change within a single sample.

Which of these best describes the scientific process

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?

Of the following elements, which is the least reactive? a. c b. h c. li d. he