a balloon is filled with helium at a temperature of 23.0 degrees C so that it's volume is 1.25 L when the balloon is taken outside, the volume expands to 1.30 L. what is the temp outside in Celsius assuming the pressure indoors is the same as outdoors?

Which formula can be used to calculate the molar mass of hydrogen peroxide

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

Which of these is an intensive property of a substance