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

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l