the volume of a gas collected when the temperature is 11.0°c and the pressure is 710 mm hg measures 14.8 ml. what is the calculated volume of the gas at 20.0°c and 740 mm hg?

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

What does x represent in the formula for the compound xcl4?

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?