A sample of aluminum (c = 0.900 J/gºC) is heated from 20.8°C to 38.7 °C using 3,750 J of energy. What is the mass of the aluminum sample?

What is impossible to do with a hypothesis

An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:

An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability