8 g mixture of SiO2 NaCl NH4Cl is being heated in an evaporating dish, NH4Cl sublimes at about 550 oC , the remaining mixture weighs 6.5 grams. Water is added to the remaining mixture and SiO2 is sedimented and dried and weighs 2.5g. What is percentage Composition of the mixture

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

Which type of volcano is shown in the image?

How does electronegativity changes as we move from left to right across a period