The activation energy for a reaction can be determined by measuring the reaction rate at different
a. temperatures
b. catalyst concentrations
c reactant concentrations
d times on the reaction curve
the answer is a. explain why. i thought c would be the answer because reaction rate is found by looking at reactant concentrations.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

What is the mass of sodium in 3 moles of sodium chloride

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4