A certain indicator, ha, has a ka value of 1.0Ã10â6. the protonated form of the indicator is blue and the ionized form is yellow. what is the pka of the indicator?

How do you identify a mineral there are six things

What is technique error and how can it be avoided?

Which definition of heat is most scientifically accurate? A. how hot or cold something is B. a measure of the thermal energy in matter C. the temperature of the thermal energy in an object D. the movement of thermal energy from one place to another

What "Desconposition" mean?

Which of the following energy sources are in some way divided from the sun (select all that apply) A. Geothermal B. Nuclear C. Wave D. Biomass

It is thought that organelles of eukaryotic organisms, such as mitochondria and chloroplasts (in plant cells) came from

How does temperature affect molecules

The color of Benedictâs solution is blue. What color does it change to in high sugar concentration?

What functional groups of the emulsifying agent provide the hydrophilic character? Do these groups affect the pH?

Which element has atoms that can form single, double, and triplecovalent bonds with other atoms of the same element? (1) hydrogen (3) fluorine (2) oxygen (4) carbon