The mixture you separated was a mixture of iron filings, sand, and salt. based on your understanding of matter, is this mixture a homogeneous mixture or heterogeneous mixture? how do you know? homogeneous mixture-the parts are not uniformly mixed homogeneous mixture-the parts are uniformly mixed heterogeneous mixture-the parts are uniformly mixed heterogeneous mixture-the parts are not uniformly mixed

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease