Is paper a pure substance or a mixture and is it an element or compound then is it homogenous or heterogenous Thank you!!

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer.