Answer asap will be giving medal ! on cold winter nights a mother places a portable heater in her toddler's bedroom. the heater does not have a fan to blow hot air, it only has simple metal coils that get very hot. a) convection b) conduction c) radiation d) induction

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.