You weigh two different objects on the same scale in the same location on Earth. The weights are different. What must be different about the two objects?

Cuantos gramos de sal pueden disolverse en 50 gramos de agua?

Classifying living things

Which phrase describes the composition of the most abundant mineral compounds on Earth? carbonates, oxygen, and one or more organic compounds oxygen, sulfates, and one or more nonmetals oxalates, oxygen, and one or more organic compounds Silicon,

What kind of model is a map?

M+e → M? Has M lost or gained an electron?

What is the morality of a 750.0 milliliter solution containing 2.5 miles of solute?

An electron in a sodium atom moves from the third shell to the fourth shell. This change is a result of the atom (1) absorbing energy (3) gaining an electron (2) releasing energy (4) losing an electron

Which of the following best describes how erosion by groundwater might create a landform? A. Slightly acidic water dissolves Serbian rocks underground to form a cavern B.

What is this mass in pounds? (1lb=453.6g)

What is a cathode? A. The electrode that releases ions into the solution B. The electrode at which a reduction reaction occurs C. The electrode that is oxidized in a redox reaction D. The electrode that donates electrons to the system