Help An unknown gas effuses at a rate of 87.8 mL/min. Sulfur dioxide, SO2, effuses at a rate of 75.2 mL/min. Determine the molar mass of the unknown gas.
47.0 g/mol
75.2 g/mol
39.9 g/mol
92.7 g/mol
87.9 g/mol

It’s c it stays the same. and the atomic number goes up by 1. a neutron has changed into a proton plus an electron. the electron is emitted as a beta particle.

All the elements are arranged by melting points on the periodic table. in row they go from metals to gasses. in the row from sodium to argon, sodium is more reactive than the one on its right, magnesium.

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .